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C TRANSMISSION/TRANSAXLE

AT A

SECTION

AUTOMATIC TRANSAXLE AT

CONTENTS

RE4F03B

TROUBLE DIAGNOSIS -- GENERAL DESCRIP-

TION ......................................................................... 84

TROUBLE DIAGNOSIS - INDEX ............................... 7

Symptom Chart ...................................................... 84

Alphabetical & P No. Index for DTC ........................ 7 PRECAUTIONS ......................................................... 9

TCM Terminals and Reference Value .................. 108 TROUBLE DIAGNOSIS FOR POWER SUPPLY ....111

Precautions for Supplemental Restraint System

Wiring Diagram -- AT -- MAIN ............................111

(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ................................................................. 9

Diagnostic Procedure .......................................... 112 DTC P0705 PARK/NEUTRAL POSITION (PNP)

PrecautionsforOnBoard Diagnostic(OBD)System

SWITCH ................................................................. 114

of A/T and Engine ................................................... 9

Description ........................................................... 114

Precautions ............................................................. 9

Wiring Diagram -- AT -- PNP/SW ...................... 115 I

Service Notice or Precautions ................................11

Diagnostic Procedure .......................................... 116

PREPARATION ........................................................ 13

Component Inspection ......................................... 118

Special Service Tools ............................................ 13 DTC P0710 A/T FLUID TEMPERATURE SENSOR

Commercial Service Tools ..................................... 16 CIRCUIT ................................................................. 119

OVERALL SYSTEM ................................................ 17

Description ........................................................... 119

A/T Electrical Parts Location ................................. 17 Circuit Diagram ..................................................... 18

Wiring Diagram -- AT -- FTS ............................. 121 K Diagnostic Procedure .......................................... 122

Cross-sectional View ............................................. 19

Component Inspection ......................................... 124

Hydraulic Control Circuit ....................................... 20 DTC P0720 VEHICLE SPEED SENSOR·A/T (REVShift Mechanism .................................................... 21 OLUTION SENSOR) .............................................. 125 L

Control System ...................................................... 30

Description ........................................................... 125

CAN Communication ............................................. 31

Wiring Diagram -- AT -- VSSA/T ....................... 127

Control Mechanism ............................................... 31

Diagnostic Procedure .......................................... 128 M

Control Valve ......................................................... 36 DTC P0725 ENGINE SPEED SIGNAL .................. 130

ON BOARD DIAGNOSTIC SYSTEM DESCRIP-

Description ........................................................... 130

TION ......................................................................... 38

Wiring Diagram -- AT -- ENGSS ........................ 131

Introduction ........................................................... 38

Diagnostic Procedure .......................................... 132

OBD-II Function for A/T System ............................ 38 DTC P0731 A/T 1ST GEAR FUNCTION ............... 134

One or Two Trip Detection Logic of OBD-II ........... 38

Description ........................................................... 134

OBD-II Diagnostic Trouble Code (DTC) ................ 38

Wiring Diagram -- AT -- 1ST .............................. 136

Malfunction Indicator Lamp (MIL) .......................... 42

Diagnostic Procedure .......................................... 137

CONSULT-II .......................................................... 42

Component Inspection ......................................... 138

TROUBLE DIAGNOSIS -- INTRODUCTION .......... 56 DTC P0732 A/T 2ND GEAR FUNCTION ............... 139

Introduction ........................................................... 56

Description ........................................................... 139

Work Flow ............................................................. 60

Wiring Diagram -- AT -- 2ND ............................. 141

TROUBLE DIAGNOSIS -- BASIC INSPECTION ... 63

Diagnostic Procedure .......................................... 142

A/T Fluid Check ..................................................... 63

Component Inspection ......................................... 143

Stall Test ................................................................ 63 DTC P0733 A/T 3RD GEAR FUNCTION ............... 144

Line Pressure Test ................................................ 67

Description ........................................................... 144

Road Test .............................................................. 68

Revision: December 2006

AT-1

2006 Sentra

Wiring Diagram -- AT -- 3RD ............................. 146 Diagnostic Procedure .......................................... 147 Component Inspection ......................................... 148 DTC P0734 A/T 4TH GEAR FUNCTION ............... 149 Description ........................................................... 149 Wiring Diagram -- AT -- 4TH .............................. 152 Diagnostic Procedure .......................................... 153 Component Inspection ......................................... 157 DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE ................................................ 158 Description ........................................................... 158 Wiring Diagram -- AT -- TCV ............................. 159 Diagnostic Procedure .......................................... 160 Component Inspection ......................................... 161 DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 162 Description ........................................................... 162 Wiring Diagram -- AT -- TCCSIG ....................... 165 Diagnostic Procedure .......................................... 166 Component Inspection ......................................... 171 DTC P0745 LINE PRESSURE SOLENOID VALVE. 172 Description ........................................................... 172 Wiring Diagram -- AT -- LPSV ........................... 173 Diagnostic Procedure .......................................... 174 Component Inspection ......................................... 176 DTC P0750 SHIFT SOLENOID VALVE A .............. 178 Description ........................................................... 178 Wiring Diagram -- AT -- SSV/A .......................... 179 Diagnostic Procedure .......................................... 180 Component Inspection ......................................... 181 DTC P0755 SHIFT SOLENOID VALVE B .............. 182 Description ........................................................... 182 Wiring Diagram -- AT -- SSV/B .......................... 183 Diagnostic Procedure .......................................... 184 Component Inspection ......................................... 185 DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] ....................................................................... 186 Description ........................................................... 186 On Board Diagnosis Logic ................................... 187 Possible Cause .................................................... 187 Diagnostic Trouble Code (DTC) Confirmation Procedure .................................................................. 187 Wiring Diagram -- AT -- TPS ............................. 189 Diagnostic Procedure .......................................... 190 DTC P1760 OVERRUN CLUTCH SOLENOID VALVE .................................................................... 192 Description ........................................................... 192 Wiring Diagram -- AT -- OVRCSV ..................... 193 Diagnostic Procedure .......................................... 194 Component Inspection ......................................... 195 DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE). 196 Description ........................................................... 196 Wiring Diagram -- AT -- BA/FTS ........................ 198 Diagnostic Procedure .......................................... 199 Component Inspection ......................................... 201 DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR ........................................................ 202 Description ........................................................... 202

Wiring Diagram -- AT -- VSSMTR ......................204 Diagnostic Procedure ...........................................205 DTC U1000 CAN COMMUNICATION LINE ...........207 Description ...........................................................207 On Board Diagnosis Logic ...................................207 Possible Cause ....................................................207 DTC Confirmation Procedure ...............................207 Wiring Diagram -- AT -- CAN .............................208 Diagnostic Procedure ...........................................209 DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM) .....................................................................210 Description ...........................................................210 Diagnostic Procedure ...........................................210 DTC CONTROL UNIT (EEP ROM) ........................212 Description ...........................................................212 Diagnostic Procedure ...........................................213 TROUBLE DIAGNOSES FOR SYMPTOMS ..........214 Wiring Diagram -- AT -- NONDTC .....................214 1. O/D OFF Indicator Lamp Does Not Come On .219 2. Engine Cannot Be Started In "P" and "N" Position.221 3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed ..............................................222 4. In "N" Position, Vehicle Moves .........................223 5. Large Shock. "N" "R" Position .....................224 6. Vehicle Does Not Creep Backward In "R" Position.225 7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position ...........................................................227 8. Vehicle Cannot Be Started From D1 ................229 9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2 ....................................................232 10. A/T Does Not Shift: D2 D3 .........................234 11. A/T Does Not Shift: D3 D4 ..........................236 12. A/T Does Not Perform Lock-up ......................238 13. A/T Does Not Hold Lock-up Condition ...........239 14. Lock-up Is Not Released ................................241 15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 ) ................................................242 16. Vehicle Does Not Start From D1 ....................243 17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch "ON" "OFF" ..............................245 18. A/T Does Not Shift: D3 22 , When Selector Lever "D" "2" Position ......................................246 19. A/T Does Not Shift: 22 11 , When Selector Lever "2" "1" Position .......................................247 20. Vehicle Does Not Decelerate By Engine Brake.248 21. TCM Self-diagnosis Does Not Activate {Park/ neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks} ......248 A/T SHIFT LOCK SYSTEM ....................................251 Description ...........................................................251 Shift Lock System Electrical Parts Location .........251 Wiring Diagram -- SHIFT -- ................................252 Diagnostic Procedure ...........................................253 KEY INTERLOCK CABLE .....................................256 Components .........................................................256 Removal ...............................................................256 Installation ............................................................257

Revision: December 2006

AT-2

2006 Sentra

ON-VEHICLE SERVICE ........................................ 258 Control Valve Assembly and Accumulators ......... 258 Control Cable Adjustment ................................... 261 Park/Neutral Position (PNP) Switch Adjustment . 261 Differential Side Oil Seal Replacement ............... 262 Revolution Sensor Replacement ......................... 262
REMOVAL AND INSTALLATION .......................... 263 Removal .............................................................. 263 Installation ........................................................... 264
OVERHAUL ........................................................... 266 Components ........................................................ 266 Oil Channel ......................................................... 269 Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap Rings ........................ 270 Disassembly ........................................................ 271
MANUAL SHAFT ................................................... 287 Components ........................................................ 287 Removal .............................................................. 287 Inspection ............................................................ 288 Installation ........................................................... 288
OIL PUMP .............................................................. 291 Components ........................................................ 291 Disassembly ........................................................ 291 Inspection ............................................................ 292 Assembly ............................................................. 294
CONTROL VALVE ASSEMBLY ............................ 296 Components ........................................................ 296 Disassembly ........................................................ 297 Inspection ............................................................ 300 Assembly ............................................................. 301
CONTROL VALVE UPPER BODY ........................ 306 Components ........................................................ 306 Disassembly ........................................................ 306 Inspection ............................................................ 307 Assembly ............................................................. 308
CONTROL VALVE LOWER BODY ....................... 310 Components ........................................................ 310 Disassembly ........................................................ 310 Inspection .............................................................311 Assembly ..............................................................311
REVERSE CLUTCH .............................................. 312 Components ........................................................ 312 Disassembly ........................................................ 312 Inspection ............................................................ 313 Assembly ............................................................. 314
HIGH CLUTCH ...................................................... 317 Components ........................................................ 317 Disassembly ........................................................ 317 Inspection ............................................................ 319 Assembly ............................................................. 320
FORWARD CLUTCH AND OVERRUN CLUTCH . 323 Components ........................................................ 323 Disassembly ........................................................ 323 Inspection ............................................................ 325 Assembly ............................................................. 327
LOW & REVERSE BRAKE ................................... 331 Components ........................................................ 331

Disassembly ........................................................ 331 Inspection ............................................................ 333 A Assembly ............................................................. 333 REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB ................... 336 B Components ........................................................ 336 Disassembly ........................................................ 336 Inspection ............................................................ 338 Assembly ............................................................. 338 AT OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER ................ 341 Components ........................................................ 341 D Disassembly ........................................................ 341 Inspection ............................................................ 343 Assembly ............................................................. 344 E BAND SERVO PISTON ASSEMBLY ..................... 347 Components ........................................................ 347 Disassembly ........................................................ 347 Inspection ............................................................ 350 F Assembly ............................................................. 350 FINAL DRIVE ......................................................... 354 Components ........................................................ 354 G Disassembly ........................................................ 354 Inspection ............................................................ 356 Assembly ............................................................. 356 H ASSEMBLY ............................................................ 359 Assembly (1) ........................................................ 359 Adjustment (1) ..................................................... 360 Assembly (2) ........................................................ 367 I Adjustment (2) ..................................................... 371 Assembly (3) ........................................................ 375 Assembly (4) ........................................................ 378 J SERVICE DATA AND SPECIFICATIONS (SDS) ... 384 General Specifications ......................................... 384 Shift Schedule ..................................................... 384 K Stall Revolution .................................................... 384 Line Pressure ...................................................... 385 Control Valves ..................................................... 385 L Clutch, Brake and Brake Band ............................ 385 Clutch and Brake Return Springs ........................ 387 Oil Pump .............................................................. 387 Input Shaft ........................................................... 387 M Planetary Carrier ................................................. 388 Final Drive ........................................................... 388 Reduction Pinion Gear ........................................ 389 Output Shaft ........................................................ 391 Bearing Retainer .................................................. 391 Total End Play ...................................................... 392 Reverse Clutch End Play ..................................... 392 Accumulator ......................................................... 392 Band Servo .......................................................... 392 Removal and Installation ..................................... 392 Shift Solenoid Valves ........................................... 393 Solenoid Valve ..................................................... 393 A/T Fluid Temperature Sensor ............................. 393 Revolution Sensor ............................................... 393 Dropping Resistor ................................................ 393

Revision: December 2006

AT-3

2006 Sentra

RE4F04B
TROUBLE DIAGNOSIS - INDEX ........................... 394 Alphabetical & P No. Index for DTC .................... 394
PRECAUTIONS ...................................................... 396 Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" .............................................................. 396 PrecautionsforOn Board Diagnostic (OBD)System of A/T and Engine ................................................ 396 Precautions .......................................................... 396 Service Notice or Precautions ............................. 398
PREPARATION ...................................................... 400 Special Service Tools .......................................... 400 Commercial Service Tools ................................... 403
OVERALL SYSTEM ............................................... 404 A/T Electrical Parts Location ................................ 404 Circuit Diagram .................................................... 405 Cross-sectional View ........................................... 406 Hydraulic Control Circuit ...................................... 407 Shift Mechanism .................................................. 408 Control System .................................................... 417 CAN Communication ........................................... 418 Control Mechanism .............................................. 419 Control Valve ....................................................... 423
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION ....................................................................... 425
Introduction .......................................................... 425 OBD-II Function for A/T System .......................... 425 One or Two Trip Detection Logic of OBD-II ......... 425 OBD-II Diagnostic Trouble Code (DTC) .............. 425 Malfunction Indicator Lamp (MIL) ........................ 429 CONSULT-II ......................................................... 429 Diagnostic Procedure Without CONSULT-II ........ 437 TROUBLE DIAGNOSIS - INTRODUCTION .......... 442 Introduction .......................................................... 442 Work Flow ............................................................ 446 TROUBLE DIAGNOSIS - BASIC INSPECTION .... 448 A/T Fluid Check ................................................... 448 Stall Test .............................................................. 448 Line Pressure Test ............................................... 452 Road Test ............................................................ 453 TROUBLE DIAGNOSIS - GENERAL DESCRIPTION ....................................................................... 469 Symptom Chart .................................................... 469 TCM Terminals and Reference Value .................. 479 TROUBLE DIAGNOSIS FOR POWER SUPPLY ... 483 Wiring Diagram -- AT -- MAIN ........................... 483 Diagnostic Procedure .......................................... 484 DTC P0705 PARK/NEUTRAL POSITION SWITCH. 486 Description ........................................................... 486 On Board Diagnosis Logic ................................... 486 Possible Cause .................................................... 486 Diagnostic Trouble Code (DTC) Confirmation Procedure .................................................................. 486 Wiring Diagram -- AT -- PNP/SW ...................... 488 Diagnostic Procedure .......................................... 489 DTC P0710 A/T FLUID TEMPERATURE SENSOR

CIRCUIT .................................................................492 Description ...........................................................492 On Board Diagnosis Logic ...................................492 Possible Cause ....................................................492 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................492 Wiring Diagram -- AT -- FTS ..............................494 Diagnostic Procedure ...........................................495
DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR) ..............................................498
Description ...........................................................498 On Board Diagnosis Logic ...................................498 Possible Cause ....................................................498 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................498 Wiring Diagram -- AT -- VSSA/T ........................500 Diagnostic Procedure ...........................................501 DTC P0725 ENGINE SPEED SIGNAL ...................503 Description ...........................................................503 On Board Diagnosis Logic ...................................503 Possible Cause ....................................................503 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................503 Wiring Diagram -- AT -- ENGSS ........................504 Diagnostic Procedure ...........................................505 DTC P0731 A/T 1ST GEAR FUNCTION ................507 Description ...........................................................507 On Board Diagnosis Logic ...................................507 Possible Cause ....................................................507 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................507 Wiring Diagram -- AT -- 1ST ..............................509 Diagnostic Procedure ...........................................510 DTC P0732 A/T 2ND GEAR FUNCTION ...............512 Description ...........................................................512 On Board Diagnosis Logic ...................................512 Possible Cause ....................................................512 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................512 Wiring Diagram -- AT -- 2ND .............................514 Diagnostic Procedure ...........................................515 DTC P0733 A/T 3RD GEAR FUNCTION ...............517 Description ...........................................................517 On Board Diagnosis Logic ...................................517 Possible Cause ....................................................517 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................517 Wiring Diagram -- AT -- 3RD .............................519 Diagnostic Procedure ...........................................520 DTC P0734 A/T 4TH GEAR FUNCTION ................522 Description ...........................................................522 On Board Diagnosis Logic ...................................522 Possible Cause ....................................................522 Diagnostic Trouble Code (DTC) Confirmation Procedure ..................................................................522 Wiring Diagram -- AT -- 4TH ..............................524 Diagnostic Procedure ...........................................525 DTC P0740 TORQUE CONVERTER CLUTCH

Revision: December 2006

AT-4

2006 Sentra

SOLENOID VALVE ................................................ 529 Description .......................................................... 529 On Board Diagnosis Logic .................................. 529 Possible Cause ................................................... 529 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 529 Wiring Diagram -- AT -- TCV ............................. 531 Diagnostic Procedure .......................................... 532
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 534 Description .......................................................... 534 On Board Diagnosis Logic .................................. 534 Possible Cause ................................................... 534 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 534 Wiring Diagram -- AT -- TCCSIG ...................... 536 Diagnostic Procedure .......................................... 537
DTC P0745 LINE PRESSURE SOLENOID VALVE. 542 Description .......................................................... 542 On Board Diagnosis Logic .................................. 542 Possible Cause ................................................... 542 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 542 Wiring Diagram -- AT -- LPSV ........................... 544 Diagnostic Procedure .......................................... 545
DTC P0750 SHIFT SOLENOID VALVE A ............. 548 Description .......................................................... 548 On Board Diagnosis Logic .................................. 548 Possible Cause ................................................... 548 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 548 Wiring Diagram -- AT -- SSV/A ......................... 550 Diagnostic Procedure .......................................... 551
DTC P0755 SHIFT SOLENOID VALVE B ............. 553 Description .......................................................... 553 On Board Diagnosis Logic .................................. 553 Possible Cause ................................................... 553 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 553 Wiring Diagram -- AT -- SSV/B ......................... 555 Diagnostic Procedure .......................................... 556
DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] ...................................................................... 558
Description .......................................................... 558 On Board Diagnosis Logic .................................. 558 Possible Cause ................................................... 558 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 558 Wiring Diagram -- AT -- TPS ............................. 560 Diagnostic Procedure .......................................... 561 DTC P1760 OVERRUN CLUTCH SOLENOID VALVE .................................................................... 563 Description .......................................................... 563 On Board Diagnosis Logic .................................. 563 Possible Cause ................................................... 563 Diagnostic Trouble Code (DTC) Confirmation Procedure ................................................................. 563 Wiring Diagram -- AT -- OVRCSV ..................... 565 Diagnostic Procedure .......................................... 566

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP

SENSOR CIRCUIT AND TCM POWER SOURCE). 568 A

Description ........................................................... 568

On Board Diagnosis Logic ................................... 568

Possible Cause .................................................... 568 B Diagnostic Trouble Code (DTC) Confirmation Pro-

cedure .................................................................. 568

Wiring Diagram -- AT -- BA/FTS ........................ 570 Diagnostic Procedure .......................................... 571 AT

DTC VEHICLE SPEED SENSOR MTR ................. 575

Description ........................................................... 575

On Board Diagnosis Logic ................................... 575 D

Possible Cause .................................................... 575

Diagnostic Trouble Code (DTC) Confirmation Pro-

cedure .................................................................. 575 E Wiring Diagram -- AT -- VSSMTR ..................... 577

Diagnostic Procedure .......................................... 578

DTC TURBINE REVOLUTION SENSOR .............. 580 Description ........................................................... 580 F

Wiring Diagram -- AT -- TRSA/T ....................... 582

Diagnostic Procedure .......................................... 583

Component Inspection ......................................... 584 G

DTC U1000 CAN COMMUNICATION LINE ........... 585

Description ........................................................... 585

On Board Diagnosis Logic ................................... 585 H Possible Cause .................................................... 585

DTC Confirmation Procedure .............................. 585

Wiring Diagram -- AT -- CAN ............................. 586 Diagnostic Procedure .......................................... 587 I

DTC CONTROL UNIT (RAM), CONTROL UNIT

(ROM) ..................................................................... 588 Description ........................................................... 588 J

On Board Diagnosis Logic ................................... 588

Possible Cause .................................................... 588

Diagnostic Trouble Code (DTC) Confirmation Pro-

cedure .................................................................. 588

Diagnostic Procedure .......................................... 589

DTC CONTROL UNIT (EEP ROM) ........................ 590 L Description ........................................................... 590

Diagnostic Procedure .......................................... 591

TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 592 Wiring Diagram -- AT -- NONDTC ..................... 592 M

1. O/D OFF Indicator Lamp Does Not Come On . 596

2. Engine Cannot Be Started In P and N Position. 597

3. In P Position, Vehicle Moves Forward or Back-

ward When Pushed ............................................. 599

4. In N Position, Vehicle Moves ........................... 599

5. Large Shock N R Position ........................... 601

6. Vehicle Does Not Creep Backward In R Position. 603

7. Vehicle Does Not Creep Forward in D, 2 or 1 Posi-

tion ....................................................................... 606

8. Vehicle Cannot Be Started From D1 ................ 608

9. A/T Does Not Shift: D1 D2 or Does Not Kick-

down: D4 D2 .................................................... 611

10. A/T Does Not Shift: D2 D3 ......................... 613

11. A/T Does Not Shift: D3 D4 ......................... 616

12. A/T Does Not Perform Lock-up ..................... 618

13. A/T Does Not Hold Lock-up Condition ........... 619

14. Lock-up Is Not Released ............................... 620

Revision: December 2006

AT-5

2006 Sentra

15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 ) ............................................... 621 16. Vehicle Does Not Start From D1 .................... 623 17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch ON OFF .................................. 624 18. A/T Does Not Shift: D3 22 , When Selector Lever D 2 Position ........................................... 624 19. A/T Does Not Shift: 22 11 , When Selector Lever 2 1 Position ........................................... 625 20. Vehicle Does Not Decelerate By Engine Brake. 626 21. TCM Self-diagnosis Does Not Activate {Park/ neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks} ...... 626 A/T SHIFT LOCK SYSTEM .................................... 631 Description ........................................................... 631 Shift Lock System Electrical Parts Location ........ 631 Wiring Diagram -- SHIFT -- ............................... 632 Diagnostic Procedure .......................................... 633 KEY INTERLOCK CABLE ..................................... 636 Components ........................................................ 636 Removal .............................................................. 636 Installation ............................................................ 637 ON-VEHICLE SERVICE ......................................... 638 Control Valve Assembly and Accumulators ......... 638 Revolution Sensor Replacement ......................... 640 Park/Neutral Position (PNP) Switch Adjustment .. 640 Control Cable Adjustment .................................... 641 Differential Side Oil Seal Replacement ................ 641 REMOVAL AND INSTALLATION .......................... 643 Removal .............................................................. 643 Installation ............................................................ 644 OVERHAUL ............................................................ 646 Components ........................................................ 646 Oil Channel .......................................................... 649 Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap Rings ......................... 650 DISASSEMBLY ...................................................... 651 Disassembly ........................................................ 651 REPAIR FOR COMPONENT PARTS ..................... 666 Manual Shaft ....................................................... 666 Oil Pump .............................................................. 669 Control Valve Assembly ....................................... 673

Control Valve Upper Body ....................................681 Control Valve Lower Body ....................................685 Reverse Clutch ....................................................688 High Clutch ..........................................................691 Forward And Overrun Clutches ...........................696 Low & Reverse Brake ..........................................702 Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub .....................................................704 OutputShaft,Idler Gear,ReductionPinion Gear and Bearing Retainer ..................................................708 Band Servo Piston Assembly ...............................713 Final Drive ............................................................718 ASSEMBLY ............................................................723 Assembly (1) ........................................................723 Adjustment (1) ......................................................724 Assembly (2) ........................................................729 Adjustment (2) ......................................................736 Assembly (3) ........................................................739 SERVICE DATA AND SPECIFICATIONS (SDS) ...746 General Specifications .........................................746 Shift Schedule ......................................................746 Stall Revolution ....................................................746 Line Pressure .......................................................747 Control Valves ......................................................747 Accumulator .........................................................747 Clutch and Brakes ................................................748 Final Drive ............................................................750 Planetary Carrier and Oil Pump ...........................750 Input Shaft ............................................................751 Reduction Pinion Gear .........................................751 Band Servo ..........................................................752 Output Shaft .........................................................752 Bearing Retainer ..................................................753 Total End Play ......................................................753 Reverse Clutch End Play .....................................753 Removal and Installation ......................................753 Shift Solenoid Valves ...........................................754 Solenoid Valves ...................................................754 A/T Fluid Temperature Sensor .............................754 Revolution Sensor ................................................754 Dropping Resistor ................................................754 Turbine Revolution Sensor ...................................754

Revision: December 2006

AT-6

2006 Sentra

TROUBLE DIAGNOSIS - INDEX

[RE4F03B]

TROUBLE DIAGNOSIS - INDEX
Alphabetical & P No. Index for DTC
ALPHABETICAL INDEX FOR DTC

PFP:00000
A
ECS005VU

Items (CONSULT-II screen terms)

DTC
CONSULT-II GST*1

B
Reference page

A/T 1ST GR FNCTN A/T 2ND GR FNCTN

P0731 P0732

AT-134

AT-139

A/T 3RD GR FNCTN A/T 4TH GR FNCTN

P0733 P0734

AT-144
D
AT-149

A/T TCC S/V FNCTN

P0744

AT-162

ATF TEMP SEN/CIRC ENGINE SPEED SIG

P0710 P0725

AT-119

AT-130

L/PRESS SOL/CIRC O/R CLTCH SOL/CIRC

P0745 P1760

AT-172

AT-192

PNP SW/CIRC

P0705

AT-114

SFT SOL A/CIRC*2 SFT SOL B/CIRC*2

P0750 P0755

AT-178

AT-182

TCC SOLENOID/CIRC TP SEN/CIRC A/T*2

P0740 P1705

AT-158

AT-186

VEH SPD SEN/CIR AT*3

P0720

AT-125

CAN COMM CIRCUIT G *1: These numbers are prescribed by SAE J2012.

U1000

AT-207
I

G *2: When the fail-safe operation occurs, the MIL illuminates.

G *3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at J
the same time.

Revision: December 2006

AT-7

2006 Sentra

TROUBLE DIAGNOSIS - INDEX

[RE4F03B]

P NO. INDEX FOR DTC

DTC
CONSULT-II GST*1

Items (CONSULT-II screen terms)

Reference page

P0705

PNP SW/CIRC

AT-114

P0710

ATF TEMP SEN/CIRC

AT-119

P0720

VEH SPD SEN/CIR AT*3

AT-125

P0725 P0731

ENGINE SPEED SIG A/T 1ST GR FNCTN

AT-130 AT-134

P0732 P0733

A/T 2ND GR FNCTN A/T 3RD GR FNCTN

AT-139 AT-144

P0734 P0740

A/T 4TH GR FNCTN TCC SOLENOID/CIRC

AT-149 AT-158

P0744

A/T TCC S/V FNCTN

AT-162

P0745

L/PRESS SOL/CIRC

AT-172

P0750

SFT SOL A/CIRC*2

AT-178

P0755

SFT SOL B/CIRC*2

AT-182

P1705

TP SEN/CIRC A/T*2

AT-186

P1760 U1000

O/R CLTCH SOL/CIRC CAN COMM CIRCUIT

AT-192 AT-207

G *1: These numbers are prescribed by SAE J2012. G *2: When the fail-safe operation occurs, the MIL illuminates. G *3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.

Revision: December 2006

AT-8

2006 Sentra

PRECAUTIONS

[RE4F03B]

PRECAUTIONS

PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT A

BELT PRE-TENSIONER"

ECS005VV

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B

with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain

types of collision. Information necessary to service the system safely is included in the SRS and SB section of

this Service Manual.

WARNING:

G To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death

in the event of a collision which would result in air bag inflation, all maintenance must be per-

formed by an authorized NISSAN/INFINITI dealer.

G Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-

sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air

Bag Module, see the SRS section.

G Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or

harness connectors.

Precautions for On Board Diagnostic (OBD) System of A/T and Engine

ECS005VW

The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the G driver of a malfunction causing emission deterioration.

CAUTION:

Be sure to turn the ignition switch "OFF" and disconnect the negative battery terminal before any repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves,

etc. will cause the MIL to light up.

G Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease, I dirt, bent terminals, etc.)

G Be sure to route and secure the harnesses properly after work. Interference of the harness with a

bracket, etc. may cause the MIL to light up due to a short circuit.

G Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
G Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and K ECM before returning the vehicle to the customer.

Precautions
G Before connecting or disconnecting the TCM harness connector, turn ignition switch OFF and disconnect negative battery terminal. Failure to do so may damage the TCM. Because battery voltage is applied to TCM even if ignition switch is turned off.

ECS005VX

SEF289H

Revision: December 2006

AT-9

2006 Sentra

PRECAUTIONS
G When connecting or disconnecting pin connectors into or from TCM, take care not to damage pin terminals (bend or break). Make sure that there are not any bends or breaks on TCM pin terminal, when connecting pin connectors.
G Before replacing TCM, perform TCM input/output signal inspection and make sure whether TCM functions properly or not. See page AT-108 .

[RE4F03B]
AAT470A

MEF040DA

G After performing each TROUBLE DIAGNOSIS, perform "DTC (Diagnostic Trouble Code) CONFIRMATION PROCEDURE". The DTC should not be displayed in the "DTC CONFIRMATION PROCEDURE" if the repair is completed.

G Before proceeding with disassembly, thoroughly clean the outside of the transaxle. It is important to prevent the internal parts from becoming contaminated by dirt or other foreign matter.

G Disassembly should be done in a clean work area.

G Use lint-free cloth or towels for wiping parts clean. Common

shop rags can leave fibers that could interfere with the operation

SAT964I

of the transaxle.

G Place disassembled parts in order for easier and proper assembly.

G All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or reassembly.

G Gaskets, seals and O-rings should be replaced any time the transaxle is disassembled.

G It is very important to perform functional tests whenever they are indicated.

G The valve body contains precision parts and requires extreme care when parts are removed and serviced. Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent springs and small parts from becoming scattered or lost.

G Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.

G Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings and seals, or hold bearings and washers in place during assembly. Do not use grease.

G Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.

G Replace ATF cooler if excessive foreign material is found in oil pan or clogging strainer. Refer to AT-11, "ATF COOLER SERVICE" .

G After overhaul, refill the transaxle with new ATF.

G When the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque converter and ATF cooling system. Always follow the procedures under "Changing A/T Fluid" in the MA section when changing A/T fluid. Refer to MA-32, "Changing A/T Fluid" .

Revision: December 2006

AT-10

2006 Sentra

PRECAUTIONS

[RE4F03B]

Service Notice or Precautions
FAIL-SAFE

ECS005VY
A

The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major

electrical input/output device circuit is damaged.

Under Fail-Safe, the vehicle always runs in third gear, even with a shift lever position of "1", "2" or "D". The cus- B

tomer may complain of sluggish or poor acceleration.

When the ignition key is turned "ON" following Fail-Safe operation, O/D OFF indicator lamp blinks for about 8

seconds. [For "TCM Self-diagnostic Procedure (No Tools)", refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" .]

The blinking of the O/D OFF indicator lamp for about 8 seconds will appear only once and be cleared. The

customer may resume normal driving conditions.

Always follow the "Work Flow". Refer to AT-60, "Work Flow" .

The SELF-DIAGNOSIS results will be as follows:

G The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.

G During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated. E

TORQUE CONVERTER SERVICE

The torque converter should be replaced under any of the following conditions: F
G External leaks in the hub weld area.

G Converter hub is scored or damaged.

G Converter pilot is broken, damaged or fits poorly into crankshaft.

G Steel particles are found after flushing the cooler and cooler lines.

G Pump is damaged or steel particles are found in the converter. G Vehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses H
have been made. (Converter clutch material may be glazed.)

G Converter is contaminated with engine coolant containing antifreeze.

G Internal failure of stator roller clutch.

G Heavy clutch debris due to overheating (blue converter).

G Steel particles or clutch lining material found in fluid filter or on magnet when no internal parts in unit are

worn or damaged -- indicates that lining material came from converter.

The torque converter should not be replaced if:

G The fluid has an odor, is discolored, and there is no evidence of metal or clutch facing particles. K
G The threads in one or more of the converter bolt holes are damaged.

G Transaxle failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate

lining material in unit and inside the fluid filter.

G Vehicle has been exposed to high mileage (only). The exception may be where the torque converter

clutch dampener plate lining has seen excess wear by vehicles operated in heavy and/or constant traffic,

such as taxi, delivery or police use. M
ATF COOLER SERVICE

Replace ATF cooler if excessive foreign material is found in oil pan or clogging strainer. Replace radiator lower tank (which includes ATF cooler) with a new one and flush cooler line using cleaning solvent and compressed air. Refer to CO-14, "RADIATOR" .

OBD-II SELF-DIAGNOSIS
G A/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through the blinking pattern of the O/D OFF indicator or the malfunction indicator lamp (MIL). Refer to the table on AT-54, "Judgement of Self-diagnosis Code" for the indicator used to display each self-diagnostic result.
G The self-diagnostic results indicated by the MIL are automatically stored in the ECM and TCM memories. Always perform the procedure "HOW TO ERASE DTC" on page AT-40 to complete the repair and avoid unnecessary blinking of the MIL.
G The following self-diagnostic items can be detected using ECM self-diagnostic results mode* only when the O/D OFF indicator lamp does not indicate any malfunctions.
PNP switch
*: For details of OBD-II, refer to EC-51, "ON BOARD DIAGNOSTIC (OBD) SYSTEM" .

Revision: December 2006

AT-11

2006 Sentra

PRECAUTIONS

[RE4F03B]

G Certain systems and components, especially those related to OBD, may use a new style slidelocking type harness connector. For description and how to disconnect, refer to PG-48, "HARNESS CONNECTOR (SLIDE-LOCKING TYPE)" .

Revision: December 2006

AT-12

2006 Sentra

PREPARATION

Special Service Tools

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number (Kent-Moore No.) Tool name

Description

(J-34301-C) Oil pressure gauge set 1 (J-34301-1) Oil pressure gauge 2 (J-34301-2) Hoses 3 (J-34298) Adapter 4 (J-34282) Adapter 5 (790-301-1230-A) 60° Adapter 6 (J-34301-15) Square socket

Measuring line pressure
AAT896

[RE4F03B]
PFP:00002
A
ECS005W0
B
AT
D
E
F

KV31103000 (J-38982) Drift

Installing differential oil seal

(Use with ST35325000.)

a: 59 mm (2.32 in) dia.

b: 49 mm (1.93 in) dia.

ST35325000

(

)

Drift

NT105

Installing differential oil seal

(Use with KV31103000.)

a: 215 mm (8.46 in)

b: 25 mm (0.98 in) dia.

c: M12 x 1.5P

KV38107700 (J-39027) Preload adapter
KV31103200 (J-34285-A and J-34285-87) Clutch spring compressor

NT417
K
G Measuring turning torque of final drive assembly

G Measuring clearance between side gear

and differential case with washer

G Selecting differential side bearing adjusting shim

NT087

Removing and installing clutch return spring a: 320 mm (12.60 in) b: 174 mm (6.85 in)

NT423

Revision: December 2006

AT-13

2006 Sentra

Tool number (Kent-Moore No.) Tool name
ST23540000 (J-25689-A) Pin punch

KV32101000 (J-25689-A) Pin punch

ST25710000

(

)

Pin punch

ST3306S001 (J-22888-D) Differential side bearing puller set 1 ST33051001 (J-22888-D) Puller 2 ST33061000 (J-8107-2) Adapter
KV381054S0 (J-34286) Puller

ST27180001 (J-25726-B) Puller
ST30031000 (J-22912-O1) Puller

Revision: December 2006

PREPARATION
Description

[RE4F03B]

Removing and installing parking rod plate, manual plate and differential pinion mate shaft retaining pins a: 2.3 mm (0.091 in) dia. b: 4 mm (0.16 in) dia.
NT442
Installing throttle lever and manual shaft retaining pins a: 4 mm (0.16 in) dia.

NT410
Aligning groove of manual shaft and hole of transmission case a: 2 mm (0.08 in) dia.

NT410
Removing differential side bearing inner race a: 39 mm (1.54 in) dia. b: 29.5 mm (1.161 in) dia. c: 130 mm (5.12 in) d: 135 mm (5.31 in) e: 120 mm (4.72 in)
NT745

G Removing idler gear bearing outer race

G Removing differential side oil seals

G Removing differential side bearing outer race

G Removing needle bearing from bearing retainer

NT414

a: 250 mm (9.84 in)

b: 160 mm (6.30 in)

G Removing idler gear
a: 100 mm (3.94 in) b: 110 mm (4.33 in) c: M8 x 1.25P

NT424
Removing reduction gear bearing inner race a: 90 mm (3.54 in) dia. b: 50 mm (1.97 in) dia.

NT411
AT-14

2006 Sentra

Tool number (Kent-Moore No.) Tool name
ST35272000 (J-26092) Drift

ST37830000

(

)

Drift

ST35321000

(

)

Drift

ST30633000

(

)

Drift

ST35271000 (J-26091) Drift

ST33400001 (J-26082) Drift

KV38105710

(

)

Revision: December 2006

PREPARATION
NT426 NT427

Description

[RE4F03B]
A

G Installing reduction gear bearing inner race

G Installing idler gear bearing inner race

a: 72 mm (2.83 in) dia. b: 35.5 mm (1.398 in) dia.

Installing idler gear bearing outer race

a: 62 mm (2.44 in) dia.

b: 39 mm (1.54 in) dia.

Installing output shaft bearing

a: 49 mm (1.93 in) dia.

b: 41 mm (1.61 in) dia.

NT073

Installing differential side bearing outer race

a: 67 mm (2.64 in) dia.

b: 49 mm (1.93 in) dia.

J
NT073

G Installing idler gear

a: 72 mm (2.83 in) dia.

b: 63 mm (2.48 in) dia.

L
NT115
G Installing oil pump housing oil seal
M
a: 60 mm (2.36 in) dia. b: 47 mm (1.85 in) dia.

NT115
G Measuring clearance between side gear and differential case

NT087

AT-15

2006 Sentra

Commercial Service Tools
Tool name Puller

PREPARATION

[RE4F03B]
ECS005W1
Description G Removing idler gear bearing inner race G Removing and installing band servo piston
snap ring

NT077

Drift

Removing idler gear bearing inner race

a: 34 mm (1.34 in) dia.

NT109

Drift

Installing differential left side bearing

a: 86 mm (3.39 in) dia.

b: 80 mm (3.15 in) dia.

NT115

Drift

Installing differential right side bearing

a: 46 mm (1.81 in) dia.

b: 40 mm (1.57 in) dia.

NT115

Revision: December 2006

AT-16

2006 Sentra

OVERALL SYSTEM
OVERALL SYSTEM A/T Electrical Parts Location

[RE4F03B]
PFP:00000
A
ECS005W2
B AT
D E
F G H I J K L M

Revision: December 2006

AT-17

WCIA0162E
2006 Sentra

Circuit Diagram

OVERALL SYSTEM

[RE4F03B]
ECS005W3

Revision: December 2006

AT-18

WCWA0116E
2006 Sentra

Cross-sectional View

OVERALL SYSTEM

[RE4F03B]
ECS005W4
A B AT D E F G H I J K L M

Revision: December 2006

AT-19

SAT842J
2006 Sentra

Hydraulic Control Circuit

OVERALL SYSTEM

[RE4F03B]
ECS005W5

Revision: December 2006

AT-20

WAT408
2006 Sentra

Shift Mechanism
CONSTRUCTION

OVERALL SYSTEM

[RE4F03B]
ECS005W6
A
B

1. Torque converter
4. Brake band
7. Front sun gear
10 Front planetary carrier .
13 Rear internal gear .
16 Forward one-way clutch .
19 Low & reverse brake .
22 Output shaft .

2. Oil pump
5. Reverse clutch
8. Front pinion gear
11 Rear sun gear .
14 Rear planetary carrier .
17 Overrun clutch .
20 Parking pawl .
23 Idle gear .

3. Input shaft

SAT998I

6. High clutch

9. Front internal gear

12 Rear pinion gear .

15 Forward clutch

18 Low one-way clutch .
J
21 Parking gear .

24 Output gear

FUNCTION OF CLUTCH AND BRAKE

Clutch and brake components 5 Reverse clutch 6 High clutch 15 Forward clutch 17 Overrun clutch 4 Brake band 16 Forward one-way clutch

Abbr. R/C H/C F/C O/C B/B F/O.C

18 Low one-way clutch

L/O.C

19 Low & reverse brake

L & R/B

Function

To transmit input power to front sun gear 7 .

To transmit input power to front planetary carrier 10 .

To connect front planetary carrier 10 with forward one-way clutch 16 .

To connect front planetary carrier 10 with rear internal gear 13 .

To lock front sun gear 7 .

When forward clutch 15 is engaged, to stop rear internal gear 13 from rotating in opposite direction against engine revolution.

To stop front planetary carrier 10 from rotating in opposite direction against engine revolution.

To lock front planetary carrier 10 .

Revision: December 2006

AT-21

2006 Sentra

OVERALL SYSTEM

[RE4F03B]

CLUTCH AND BAND CHART

Shift position

Reverse clutch 5

High clutch
6

Forward clutch
15

Overrun
clutch 17

Band servo

2nd

3rd

4th

apply release apply

Forward one-way
clutch 16

Low oneway clutch 18

Low & reverse brake
19

Lockup

Remarks

PARK POSITION

REVERSE POSITION

NEUTRAL POSITION

1st
D 2nd *4 3rd
4th

*1 D

*1 A

*1 A *2 C

*3 C

*1 O O

Automatic shift
1 2 3 4

1st 2 2nd
3rd

*2 C

Automatic shift
1 2 3

1st 1 2nd
3rd

*2 C

Locks (held

stationary) in 1st speed

1 2 3

G *1: Operates when overdrive control switch is set in "OFF" position. G *2: Oil pressure is applied to both 2nd "apply" side and 3rd "release" side of band servo piston. However, brake band does not con-
tract because oil pressure area on the "release" side is greater than that on the "apply" side. G *3: Oil pressure is applied to 4th "apply" side in condition *2 above, and brake band contracts. G *4: A/T will not shift to 4th when overdrive control switch is set in "OFF" position. G O: Operates. G A: Operates when throttle opening is less than 3/16, activating engine brake. G B: Operates during "progressive" acceleration. G C: Operates but does not affect power transmission. G D: Operates when throttle opening is less than 3/16, but does not affect engine brake.

Revision: December 2006

AT-22

2006 Sentra

OVERALL SYSTEM

[RE4F03B]

POWER TRANSMISSION

"N" and "P" Positions

G "N" position

Power from the input shaft is not transmitted to the output shaft because the clutches do not operate.

G "P" position

Similar to the "N" position, the clutches do not operate. The parking pawl engages with the parking gear to

mechanically hold the output shaft so that the powertrain is locked.

H
SAT991I
I

Revision: December 2006

AT-23

2006 Sentra

"11 " Position

OVERALL SYSTEM

[RE4F03B]

G Forward clutch G Forward one-way clutch G Overrun clutch G Low and reverse brake Engine brake

SAT374J
As overrun clutch engages, rear internal gear is locked by the operation of low and reverse brake. This is different from that of D1 and 21 .
Overrun clutch always engages, therefore engine brake can be obtained when decelerating.

Revision: December 2006

AT-24

2006 Sentra

"D1 " and "21 " Positions
G Forward one-way clutch G Forward clutch G Low one-way clutch Overrun clutch engagement conditions (Engine brake)

OVERALL SYSTEM

[RE4F03B]
A

J
SAT377J

Rear internal gear is locked to rotate counterclockwise because of the functioning of

these three clutches.

D1 : Overdrive control switch "OFF" and throttle opening is less than 3/16

21 : Always engaged

At D1 and 21 positions, engine brake is not activated due to free turning of low one-

way clutch.

Revision: December 2006

AT-25

2006 Sentra

OVERALL SYSTEM
"D2 ", "22 " and "12 " Positions

[RE4F03B]

SAT378J

G Forward clutch G Forward one-way
clutch G Brake band
Overrun clutch engagement conditions

Rear sun gear drives rear planetary carrier and combined front internal gear. Front internal gear now rotates around front sun gear accompanying front planetary carrier. As front planetary carrier transfers the power to rear internal gear through forward clutch and forward oneway clutch, this rotation of rear internal gear increases the speed of rear planetary carrier compared with that of the 1st speed.
D2 : Overdrive control switch "OFF" and throttle opening is less than 3/16 22 and 12 : Always engaged

Revision: December 2006

AT-26

2006 Sentra

"D3 " "23 " and "13 " Positions

OVERALL SYSTEM

[RE4F03B]
A

J
SAT379J

G High clutch

Input power is transmitted to front planetary carrier through high clutch. And front planetary carrier is con-

G Forward clutch

nected to rear internal gear by operation of forward clutch and forward one-way clutch.

This rear internal gear rotation and another input (the rear sun gear) accompany rear planetary carrier to

G Forward one-way

turn at the same speed.

clutch

Overrun clutch

D3 : Overdrive control switch "OFF" and throttle opening is less than 3/16

engagement conditions 23 and 13 : Always engaged

Revision: December 2006

AT-27

2006 Sentra

"D4 " (OD) Position

OVERALL SYSTEM

[RE4F03B]

G High clutch G Brake band G Forward clutch (Does not affect power
transmission)
Engine brake

SAT380J
Input power is transmitted to front carrier through high clutch. This front carrier turns around the sun gear which is fixed by brake band and makes front internal gear (output) turn faster.
At D4 position, there is no one-way clutch in the power transmission line and engine brake can be obtained when decelerating.

Revision: December 2006

AT-28

2006 Sentra

"R" Position
G Reverse clutch G Low and reverse brake Engine brake

OVERALL SYSTEM

[RE4F03B]
A

J
SAT381J

Front planetary carrier is stationary because of the operation of low and reverse brake.
Input power is transmitted to front sun gear through reverse clutch, which drives front K
internal gear in the opposite direction.

As there is no one-way clutch in the power transmission line, engine brake can be

obtained when decelerating.

Revision: December 2006

AT-29

2006 Sentra

OVERALL SYSTEM

[RE4F03B]

Control System
OUTLINE

ECS005W7

The automatic transaxle senses vehicle operating conditions through various switches and sensors. It always controls the optimum shift position and reduces shifting and lock-up shocks.

SWITCHES & SENSORS
Park/neutral position (PNP) switch Throttle position sensor [accelerator pedal position (APP) sensor] Engine speed signal A/T fluid temperature sensor Revolution sensor Vehicle speed sensor Overdrive control switch ASCD control signal Stop lamp switch Turbine revolution sensor

TCM
Shift control Line pressure solenoid Lock-up control Overrun clutch control Timing control Fail-safe control Self-diagnosis CONSULT-II communication line control

ACTUATORS
Shift solenoid valve A Shift solenoid valve B Overrun clutch solenoid valve Torque converter clutch solenoid valve Line pressure solenoid valve O/D OFF indicator lamp

CONTROL SYSTEM

Revision: December 2006

AT-30

WCIA0715E
2006 Sentra

OVERALL SYSTEM

[RE4F03B]

TCM FUNCTION

The function of the TCM is to:

G Receive input signals sent from various switches and sensors.

G Determine required line pressure, shifting point, lock-up operation, and engine brake operation.

G Send required output signals to the respective solenoids.

INPUT/OUTPUT SIGNAL OF TCM

Sensors, switches and solenoid valves

Function

PNP switch

Detects select lever position and sends a signal to TCM.

Throttle position sensor [accelerator Detects accelerator pedal position and requested throttle opening and sends

pedal position (APP) sensor]

a signal to TCM.

A/T fluid temperature sensor

Detects transmission fluid temperature and sends a signal to TCM.

Revolution sensor

Detects output shaft rpm and sends a signal to TCM.

Input

Vehicle speed sensor Overdrive control switch

Used as an auxiliary vehicle speed sensor. Sends a signal when revolution
sensor (installed on transmission) malfunctions.
F
Sends a signal, which prohibits a shift to "D4 " (overdrive) position, to the
TCM.

ECM

Sends the cruise signal, engine speed signal and "D4 " (overdrive) cancella-

tion signal from ECM to TCM.

Output

Stop lamp switch Shift solenoid valve A/B
Line pressure solenoid valve Torque converter clutch solenoid valve

Releases lock-up system when depressing pedal in lock-up condition.

Selects shifting point suited to driving conditions in relation to a signal sent

from TCM.

Regulates (or decreases) line pressure suited to driving conditions in relation
to a signal sent from TCM.
I
Regulates (or decreases) lock-up pressure suited to driving conditions in rela-
tion to a signal sent from TCM.

Overrun clutch solenoid valve

Controls an "engine brake" effect suited to driving conditions in relation to a signal sent from TCM.

O/D OFF indicator lamp

Shows TCM faults, when A/T control components malfunction.

CAN Communication
SYSTEM DESCRIPTION

ECS006H7

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many elec- L tronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. For details, refer to LAN-17, M "CAN Communication Unit" .

Control Mechanism
LINE PRESSURE CONTROL

ECS005W8

TCM has various line pressure control characteristics to match the driving conditions. An ON-OFF duty signal is sent to the line pressure solenoid valve based on TCM characteristics. Hydraulic pressure on the clutch and brake is electronically controlled through the line pressure solenoid valve to accommodate engine torque. This results in smooth shift operation.

Revision: December 2006

AT-31

2006 Sentra

OVERALL SYSTEM
Normal Control The line pressure to throttle opening characteristics is set for suitable clutch operation.

[RE4F03B]

SAT003J
Back-up Control (Engine brake) If the selector lever is shifted to "2" position while driving in D4 (OD) or D3 , great driving force is applied to the clutch inside the transmission. Clutch operating pressure (line pressure) must be increased to deal with this driving force.
SAT004J
During Shift Change The line pressure is temporarily reduced corresponding to a change in engine torque when shifting gears (that is, when the shift solenoid valve is switched for clutch operation) to reduce shifting shock.

SAT005J
At Low Fluid Temperature
G Fluid viscosity and frictional characteristics of the clutch facing change with fluid temperature. Clutch engaging or band-contacting pressure is compensated for, according to fluid temperature, to stabilize shifting quality.
G The line pressure is reduced below 60°C (140°F) to prevent shifting shock due to low viscosity of automatic transmission fluid when temperature is low.

Revision: December 2006

AT-32

SAT006J
2006 Sentra

OVERALL SYSTEM
G Line pressure is increased to a maximum, irrespective of the throttle opening, when fluid temperature drops to -10°C (14°F). This pressure rise is adopted to prevent a delay in clutch and brake operation due to extreme drop of fluid viscosity at low temperature.

[RE4F03B]
A B

SHIFT CONTROL

SAT007J
D

The shift is regulated entirely by electronic control to accommodate vehicle speed and varying engine operations. This is accomplished by electrical signals transmitted by the revolution sensor and throttle position sensor [accelerator pedal position (APP) sensor]. This results in improved acceleration performance and fuel E economy.

Control of Shift Solenoid Valves A and B

The TCM activates shift solenoid valves A and B according to sig-

nals from the throttle position sensor [accelerator pedal position

(APP) sensor] and revolution sensor to select the optimum gear

position on the basis of the shift schedule memorized in the TCM.

The shift solenoid valve performs simple ON-OFF operation. When

set to "ON", the drain circuit closes and pilot pressure is applied to

the shift valve.

Relation Between Shift Solenoid Valves A and B and Gear Positions

Shift solenoid valve A

D1 , 21 , 11 ON (Closed)

D2 , 22 , 12 OFF (Open)

Gear position D3
OFF (Open)

D4 (OD) ON (Closed)

ON (Closed)

OFF (Open)

Control of Shift Valves A and B

I
SAT008J

N-P

ON (Closed)

SAT009J
Pilot pressure generated by the operation of shift solenoid valves A and B is applied to the end face of shift valves A and B. The drawing above shows the operation of shift valve B. When the shift solenoid valve is "ON", pilot pressure applied to the end face of the shift valve overcomes spring force, moving the valve upward.
LOCK-UP CONTROL
The torque converter clutch piston in the torque converter is locked to eliminate torque converter slip to increase power transmission efficiency. The solenoid valve is controlled by an ON-OFF duty signal sent from the TCM. The signal is converted to an oil pressure signal which controls the torque converter clutch piston.

Revision: December 2006

AT-33

2006 Sentra

OVERALL SYSTEM

[RE4F03B]

Conditions for Lock-up Operation
When vehicle is driven in 3rd and 4th gear position, vehicle speed and throttle opening are detected. If the detected values fall within the lock-up zone memorized in the TCM, lock-up is performed.

Overdrive control switch Selector lever Gear position Vehicle speed sensor Throttle position sensor [accelerator pedal position (APP) sensor] A/T fluid temperature sensor

OFF

"D" position

More than set value

Less than set opening

More than 40°C (104°F)

Torque Converter Clutch Solenoid Valve Control
The torque converter clutch solenoid valve is controlled by the TCM. The plunger closes the drain circuit during the "OFF" period, and opens the circuit during the "ON" period. If the percentage of OFFtime increases in one cycle, the pilot pressure drain time is reduced and pilot pressure remains high.

SAT010J
The torque converter clutch piston is designed to slip to adjust the ratio of ON-OFF, thereby reducing lock-up shock. OFF-time INCREASING
Amount of drain DECREASING
Pilot pressure HIGH
Lock-up RELEASING
SAT011J
Torque Converter Clutch Control Valve Operation

Revision: December 2006

AT-34

2006 Sentra

OVERALL SYSTEM

[RE4F03B]

converter pressure. As a result, converter pressure is applied to chamber B, keeping the torque converter

clutch piston applied.

Also smooth lock-up is provided by transient application and release of the lock-up.

OVERRUN CLUTCH CONTROL (ENGINE BRAKE CONTROL)

Forward one-way clutch is used to reduce shifting shocks in downshifting operations. This clutch transmits B

engine torque to the wheels. However, drive force from the wheels is not transmitted to the engine because

the one-way clutch rotates idle. This means the engine brake is not effective.

The overrun clutch operates when the engine brake is needed.

Overrun Clutch Operating Conditions

Selector lever position

Gear position

"D" position "2" position "1" position

D1 , D2 , D3 gear position 21 , 22 gear position 11 , 12 gear position

Overrun Clutch Solenoid Valve Control
The overrun clutch solenoid valve is operated by an ON-OFF signal transmitted by the TCM to provide overrun clutch control (engine brake control). When this solenoid valve is "ON", the pilot pressure drain port closes. When it is "OFF", the drain port opens. During the solenoid valve "ON", pilot pressure is applied to the end face of the overrun clutch control valve.

F
SAT014J
G
Throttle opening Less than 3/16
H
At any position
I
J
K

L
SAT015J
M

Revision: December 2006

AT-35

2006 Sentra

OVERALL SYSTEM
Overrun Clutch Control Valve Operation
When the solenoid valve is "ON", pilot pressure is applied to the overrun clutch control valve. This pushes up the overrun clutch control valve. The line pressure is then shut off so that the clutch does not engage. When the solenoid valve is "OFF", pilot pressure is not generated. At this point, the overrun clutch control valve moves downward by spring force. As a result, overrun clutch operation pressure is provided by the overrun clutch reducing valve. This causes the overrun clutch to engage. In the 1 position, the overrun clutch control valve remains pushed down so that the overrun clutch is engaged at all times.

[RE4F03B]

Control Valve
FUNCTION OF CONTROL VALVES

SAT016J ECS005W9

Valve name

Function

Pressure regulator valve, plug and sleeve

Regulates oil discharged from the oil pump to provide optimum line pressure for all driving conditions.

Pressure modifier valve and sleeve

Used as a signal supplementary valve to the pressure regulator valve. Regulates pressure-modifier pressure (signal pressure) which controls optimum line pressure for all driving conditions.

Pilot valve

Regulates line pressure to maintain a constant pilot pressure level which controls lock-up mechanism, overrun clutch, shift timing.

Accumulator control valve

Regulates accumulator back-pressure to pressure suited to driving conditions.

Manual valve

Directs line pressure to oil circuits corresponding to select positions. Hydraulic pressure drains when the shift lever is in Neutral.

Shift valve A

Simultaneously switches four oil circuits using output pressure of shift solenoid valve A to meet driving conditions (vehicle speed, throttle opening, etc.). Provides automatic downshifting and up-shifting (1st 2nd 3rd 4th gears/4th 3rd 2nd 1st gears) in combination with shift valve B.

Shift valve B

Simultaneously switches three oil circuits using output pressure of shift solenoid valve B in relation to driving conditions (vehicle speed, throttle opening, etc.). Provides automatic downshifting and up-shifting (1st 2nd 3rd 4th gears/4th 3rd 2nd 1st gears) in combination with shift valve A.

Overrun clutch control valve

Switches hydraulic circuits to prevent engagement of the overrun clutch simultaneously with application of the brake band in D4 . (Interlocking occurs if the overrun clutch engages during D4 .)

1st reducing valve

Reduces low & reverse brake pressure to dampen engine-brake shock when down-shifting from the "1" position 12 to 11 .

Overrun clutch reducing valve

Reduces oil pressure directed to the overrun clutch and prevents engine-brake shock. In "1" and "2" positions, line pressure acts on the overrun clutch reducing valve to increase the pressure-regulating point, with resultant engine brake capability.

Torque converter relief valve

Prevents an excessive rise in torque converter pressure.

Torque converter clutch control valve, plug and sleeve

Activates or inactivates the lock-up function. Also provides smooth lock-up through transient application and release of the lock-up system.

1-2 accumulator valve and piston Dampens the shock encountered when 2nd gear band servo contracts, and provides smooth shifting.

Revision: December 2006

AT-36

2006 Sentra

Valve name 3-2 timing valve Shuttle control valve Cooler check valve

OVERALL SYSTEM

[RE4F03B]

Function
A
Switches oil pressure with 3-2 timing valve according to throttle opening.

Reduces shock when down-shifting from 3rd to 2nd and regulates overrun clutch.

Regulates oil pressure which causes lock-up when driving at low speeds.

Revision: December 2006

AT-37

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

PFP:00000

Introduction

ECS005WA

The A/T system has two self-diagnostic systems. The first is the emission-related on board diagnostic system (OBD-II) performed by the TCM in combination with the ECM. The malfunction is indicated by the MIL (malfunction indicator lamp) and is stored as a DTC in the ECM memory but not the TCM memory. The second is the TCM original self-diagnosis indicated by the O/D OFF indicator lamp. The malfunction is stored in the TCM memory. The detected items are overlapped with OBD-II self-diagnostic items. For detail, refer to AT-43, "SELF-DIAGNOSTIC RESULT TEST MODE" .

OBD-II Function for A/T System

ECS005WB

The ECM provides emission-related on board diagnostic (OBD-II) functions for the A/T system. One function is to receive a signal from the TCM used with OBD-related parts of the A/T system. The signal is sent to the ECM when a malfunction occurs in the corresponding OBD-related part. The other function is to indicate a diagnostic result by means of the MIL (malfunction indicator lamp) on the instrument panel. Sensors, switches and solenoid valves are used as sensing elements. The MIL automatically illuminates in One or Two Trip Detection Logic when a malfunction is sensed in relation to A/T system parts.

One or Two Trip Detection Logic of OBD-II
ONE TRIP DETECTION LOGIC

ECS005WC

If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored in the ECM memory as a DTC. The TCM is not provided with such a memory function.

TWO TRIP DETECTION LOGIC
When a malfunction is sensed during the first test drive, it is stored in the ECM memory as a 1st trip DTC (diagnostic trouble code) or 1st trip freeze frame data. At this point, the MIL will not illuminate. -- First Trip If the same malfunction as that experienced during the first test drive is sensed during the second test drive, the MIL will illuminate. -- Second Trip A/T-related parts for which the MIL illuminates during the first or second test drive are listed below.

Items

MIL

One trip detection

Two trip detection

Shift solenoid valve A -- DTC: P0750

Shift solenoid valve B -- DTC: P0755

Throttle position sensor [accelerator pedal position (APP) sensor]

or switch -- DTC: P1705

Except above

The "trip" in the "One or Two Trip Detection Logic" means a driving mode in which self-diagnosis is performed during vehicle operation.

OBD-II Diagnostic Trouble Code (DTC)
HOW TO READ DTC AND 1ST TRIP DTC
DTC and 1st trip DTC can be read by the following methods.

ECS005WD

( with CONSULT-II or GST) CONSULT-II or GST (Generic Scan Tool) Examples: P0705, P0710, P0720, P0725, etc. These DTCs are prescribed by SAE J2012. (CONSULT-II also displays the malfunctioning component or system.)
G 1st trip DTC No. is the same as DTC No.
G Output of the diagnostic trouble code indicates that the indicated circuit has a malfunction. However, in case of the Mode II and GST they do not indicate whether the malfunction is still occurring or occurred in the past and returned to normal. CONSULT-II can identify them as shown below. Therefore, using CONSULT-II (if available) is recommended.

Revision: December 2006

AT-38

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
A sample of CONSULT-II display for DTC and 1st trip DTC is shown. DTC or 1st trip DTC of a malfunction is displayed in SELF DIAGNOSIS mode for "ENGINE" with CONSULT-II. Time data indicates how many times the vehicle was driven after the last detection of a DTC.

[RE4F03B]
A B

If the DTC is being detected currently, the time data will be "0".

AT
BCIA0030E
D
E

If a 1st trip DTC is stored in the ECM, the time data will be "1t".

G
SAT015K
H
I

K
SAT016K

Freeze Frame Data and 1st Trip Freeze Frame Data
The ECM has a memory function, which stores the driving condition such as fuel system status, calculated L load value, engine coolant temperature, short term fuel trim, long term fuel trim, engine speed and vehicle speed at the moment the ECM detects a malfunction. Data which are stored in the ECM memory, along with the 1st trip DTC, are called 1st trip freeze frame data, and the data, stored together with the DTC data, are called freeze frame data and displayed on CONSULT-II M or GST. The 1st trip freeze frame data can only be displayed on the CONSULT-II screen, not on the GST. For detail, refer to EC-55, "FREEZE FRAME DATA AND 1ST TRIP FREEZE FRAME DATA" . Only one set of freeze frame data (either 1st trip freeze frame data of freeze frame data) can be stored in the ECM. 1st trip freeze frame data is stored in the ECM memory along with the 1st trip DTC. There is no priority for 1st trip freeze frame data and it is updated each time a different 1st trip DTC is detected. However, once freeze frame data (2nd trip detection/MIL on) is stored in the ECM memory, 1st trip freeze frame data is no longer stored. Remember, only one set of freeze frame data can be stored in the ECM. The ECM has the following priorities to update the data.

Priority

Items

Freeze frame data

Misfire -- DTC: P0300 - P0304

Fuel Injection System Function -- DTC: P0171, P0172, P0174, P0175

Except the above items (Includes A/T related items)

3 1st trip freeze frame data

Both 1st trip freeze frame data and freeze frame data (along with the DTCs) are cleared when the ECM memory is erased.

Revision: December 2006

AT-39

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

HOW TO ERASE DTC The diagnostic trouble code can be erased by CONSULT-II, GST or ECM DIAGNOSTIC TEST MODE as follows. G If the battery terminal is disconnected, the diagnostic trouble code will be lost within 24 hours. G When you erase the DTC, using CONSULT-II or GST is easier and quicker than switching the mode
selector on the ECM. The following emission-related diagnostic information is cleared from the ECM memory when erasing DTC related to OBD-II. For details, refer to EC-63, "HOW TO ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION" . G Diagnostic trouble codes (DTC) G 1st trip diagnostic trouble codes (1st trip DTC) G Freeze frame data G 1st trip freeze frame data G System readiness test (SRT) codes G Test values

HOW TO ERASE DTC (WITH CONSULT-II)

G If a DTC is displayed for both ECM and TCM, it needs to be erased for both ECM and TCM. 1. If the ignition switch stays "ON" after repair work, be sure to turn ignition switch "OFF" once. Wait at least
10 seconds and then turn it "ON" (engine stopped) again. 2. Turn CONSULT-II "ON" and touch "A/T". 3. Touch "SELF DIAGNOSIS". 4. Touch "ERASE". (The DTC in the TCM will be erased.) Then touch "BACK" twice. 5. Touch "ENGINE". 6. Touch "SELF DIAGNOSIS". 7. Touch "ERASE". (The DTC in the ECM will be erased.)

Revision: December 2006

AT-40

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]
A

HOW TO ERASE DTC (WITH GST)

SCIA5586E

1. If the ignition switch stays "ON" after repair work, be sure to turn ignition switch "OFF" once. Wait at least

5 seconds and then turn it "ON" (engine stopped) again.

2. Perform TCM Self-diagnostic Procedure. Refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" .
(The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.) 3. Select Mode 4 with Generic Scan Tool (GST). For details, refer to EC-63, "HOW TO ERASE EMISSION- L
RELATED DIAGNOSTIC INFORMATION" .

HOW TO ERASE DTC (NO TOOLS)

1. If the ignition switch stays "ON" after repair work, be sure to turn ignition switch "OFF" once. Wait at least

5 seconds and then turn it "ON" (engine stopped) again.

2. Perform TCM Self-diagnostic Procedure. Refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" . (The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.)

3. Perform OBD-II Self-diagnostic Procedure. Refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" .

Revision: December 2006

AT-41

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

Malfunction Indicator Lamp (MIL)
1. The malfunction indicator lamp will light up when the ignition switch is turned ON without the engine running. This is for checking the lamp.
G If the malfunction indicator lamp does not light up, refer to DI27, "WARNING LAMPS" . (Or see MIL & CONSULT-II in EC section. Refer to EC-64, "Malfunction Indicator Lamp (MIL)" , and EC-115, "CONSULTII Function (ENGINE)" .
2. When the engine is started, the malfunction indicator lamp should go off. If the lamp remains on, the on board diagnostic system has detected an emission-related (OBD-II) malfunction. For detail, refer to EC-52, "Emission-related Diagnostic Information" .

ECS005WE SAT964I

CONSULT-II

ECS005WF

After performing "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" (AT-43, "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" ), place check marks for results on the "DIAGNOSTIC WORKSHEET", (AT-57, "DIAGNOSTIC WORKSHEET" ). Reference pages are provided following the items.
NOTICE: 1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid). Check for time difference between actual shift timing and the CONSULT-II display. If the difference is noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Manual may differ slightly. This occurs because of the following reasons:
Actual shift schedule has more or less tolerance or allowance,
Shift schedule indicated in Service Manual refers to the point where shifts start, and
Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Shift solenoid valve "A" or "B" is displayed on CONSULT-II at the start of shifting. Gear position is displayed upon completion of shifting (which is computed by TCM).
4. Additional CONSULT-II information can be found in the Operation Manual supplied with the CONSULT-II unit.

FUNCTION

Diagnostic test mode

Function

Reference page

Work support

This mode enables a technician to adjust some devices faster and more accurately by following the indications on CONSULT-II.

Self-diagnostic results

Self-diagnostic results can be read and erased quickly.

AT-43

Data monitor

Input/Output data in the ECM can be read.

AT-45

CAN diagnostic support monitor

The results of transmit/receive diagnosis of CAN communication can be read.

Function test

Perform by CONSULT-II instead of a technician to determine whether each system is "OK" or "NG".

DTC work support

Select the operating condition to confirm Diagnostic Trouble Codes.

AT-47

TCM part number

TCM part number can be read.

Revision: December 2006

AT-42

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II) 1. Turn on CONSULT-II and touch "ENGINE" for OBD-II detected
items or touch "A/T" for TCM self-diagnosis. If A/T is not displayed, check TCM power supply and ground circuit. Refer to AT-111, "TROUBLE DIAGNOSIS FOR POWER SUPPLY" . If result is NG, refer to PG-3, "POWER SUPPLY ROUTING" .

[RE4F03B]
A B AT

2. Touch "SELF DIAG RESULTS". Display shows malfunction experienced since the last erasing operation. CONSULT-II performs "REAL TIME DIAG". Also, any malfunction detected while in this mode will be displayed at real time.

D
BCIA0030E
E
F

SAT987J

SELF-DIAGNOSTIC RESULT TEST MODE

Detected items

TCM self-diagnosis

OBD-II (DTC)

(Screen terms for CONSULT-II, "SELF DIAGNOSIS" test mode)

Available by O/D OFF

Malfunction is detected when ...

Available by malfunc-

"A/T"

"ENGINE"

tion indicator lamp *2,

indicator lamp or "A/T" "ENGINE" on CON-

on CONSULT-II

SULT-II or GST

PNP switch circuit

G TCM does not receive the correct

PNP SW/CIRC

voltage signal (based on the gear position) from the switch.

Revolution sensor

G TCM does not receive the proper voltage signal from the sensor.

P0705
K
P0720

VHCL SPEED SEN·A/T

VEH SPD SEN/CIR AT

Vehicle speed sensor (Meter)

G TCM does not receive the proper

VHCL SPEED SEN·MTR

voltage signal from the sensor.

--
M

A/T 1st gear function

G A/T cannot be shifted to the 1st

gear position even if electrical cir-

A/T 1ST GR FNCTN A/T 1ST GR FNCTN cuit is good.

P0731*1

A/T 2nd gear function

G A/T cannot be shifted to the 2nd

gear position even if electrical cir-

A/T 2ND GR FNCTN A/T 2ND GR FNCTN cuit is good.

P0732*1

A/T 3rd gear function

G A/T cannot be shifted to the 3rd

gear position even if electrical cir-

A/T 3RD GR FNCTN A/T 3RD GR FNCTN cuit is good.

P0733*1

A/T 4th gear function

G A/T cannot be shifted to the 4th

gear position even if electrical cir-

A/T 4TH GR FNCTN A/T 4TH GR FNCTN cuit is good.

P0734*1

A/T TCC S/V function (lock-up)

G A/T cannot perform lock-up even if

A/T TCC S/V

electrical circuit is good.

FNCTN

P0744*1

Revision: December 2006

AT-43

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

Detected items (Screen terms for CONSULT-II, "SELF DIAGNOSIS" test mode)

"A/T"

"ENGINE"

Malfunction is detected when ...

TCM self-diagnosis Available by O/D OFF
indicator lamp or "A/T" on CONSULT-II

Shift solenoid valve A

G TCM detects an improper voltage

SHIFT SOLENOID/V SFT SOL A/CIRC A

drop when it tries to operate the solenoid valve.

Shift solenoid valve B

G TCM detects an improper voltage

SHIFT SOLENOID/V SFT SOL B/CIRC B

drop when it tries to operate the solenoid valve.

Overrun clutch solenoid valve

G TCM detects an improper voltage

OVERRUN CLUTCH S/V

O/R CLUCH SOL/ CIRC

drop when it tries to operate the solenoid valve.

T/C clutch solenoid valve

G TCM detects an improper voltage

T/C CLUTCH SOL/V TCC SOLENOID/ CIRC

drop when it tries to operate the solenoid valve.

Line pressure solenoid valve

G TCM detects an improper voltage

LINE PRESSURE S/ L/PRESS SOL/CIRC V

drop when it tries to operate the solenoid valve.

Throttle position sensor, Throttle position

G TCM receives an excessively low

switch

or high voltage from the sensor.

THROTTLE POSI TP SEN/CIRC A/T

SEN

Engine speed signal ENGINE SPEED SIG

G TCM does not receive the proper

voltage signal from the ECM.

A/T fluid temperature sensor

G TCM receives an excessively low

BATT/FLUID TEMP ATF TEMP SEN/

or high voltage from the sensor.

SEN

CIRC

TCM (RAM)
CONTROL UNIT (RAM)

G TCM memory (RAM) is malfunc-

tioning.

TCM (ROM)
CONTROL UNIT (ROM)

G TCM memory (ROM) is malfunc-

tioning.

TCM (EEP ROM)
CONT UNIT (EEP ROM)

G TCM memory (EEP ROM) is mal-

functioning.

Initial start INITIAL START

G This is not a malfunction message

(Whenever shutting off a power

supply to the TCM, this message

appears on the screen.)

No failure

G No failure has been detected.

(NO SELF DIAGNOSTIC FAILURE INDICATED FURTHER TESTING MAY BE

REQUIRED**)

X: Applicable --: Not applicable

*1: These malfunctions cannot be displayed by MIL

if another malfunction is assigned to MIL.

*2: Refer to EC-64, "Malfunction Indicator Lamp (MIL)" .

OBD-II (DTC) Available by malfunction indicator lamp *2, "ENGINE" on CON-
SULT-II or GST P0750 P0755 P1760 P0740 P0745
P1705 P0725 P0710
-- -- --
--
X

Revision: December 2006

AT-44

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

DATA MONITOR MODE (A/T)

Monitor item

Item

Display

TCM input sig-
nals

Main signals

Description

Remarks
B

Vehicle speed sensor 1 (A/ VHCL/S SE·A/T

[km/h] or [mph]

(Revolution sensor)

G Vehicle speed computed When racing engine in "N"

from signal of revolution or "P" position with vehicle

sensor is displayed.

stationary, CONSULT-II

data may not indicate 0 km/

h (0 mph).

Vehicle speed sensor 2

VHCL/S

(Meter)

SE·MTR

[km/h] or [mph]

G Vehicle speed computed Vehicle speed display may

from signal of vehicle

not be accurate under

speed sensor is displayed.

approx. 10 km/h (6 mph). It may not indicate 0 km/h (0

mph) when vehicle is sta-

tionary.

Throttle position sensor

THRTL POS

[accelerator pedal position SEN

(APP) sensor]

[V]

A/T fluid temperature sen- FLUID TEMP SE

sor

[V]

Battery voltage Engine speed

BATTERY VOLT [V]

ENGINE SPEED [rpm]
X

Overdrive control switch

OVERDRIVE

[ON/OFF]

PN position switch

PN POSI SW

[ON/OFF]

R position switch

R POSITION SW

[ON/OFF]

D position switch

D POSITION SW

[ON/OFF]

2 position switch

2 POSITION SW

[ON/OFF]

1 position switch

1 POSITION SW

[ON/OFF]

ASCD cruise signal

ASCD CRUISE [ON/OFF]
X

G Throttle position sensor

[accelerator pedal position (APP) sensor] sig-

nal voltage is displayed.

G A/T fluid temperature

sensor signal voltage is

displayed.

G Signal voltage lowers as fluid temperature rises.

G Source voltage of TCM is displayed.

I
G Engine speed, computed Engine speed display may

from engine speed signal, not be accurate under

is displayed.

approx. 800 rpm. It may not

indicate 0 rpm even when

engine is not running.

G ON/OFF state computed

from signal of overdrive

control SW is displayed.

G ON/OFF state computed

from signal of PN position

SW is displayed.

G ON/OFF state computed

from signal of R position

SW is displayed.

G ON/OFF state computed

from signal of D position

SW is displayed.

G ON/OFF status, com-

puted from signal of 2

position SW, is displayed.

G ON/OFF status, com-

puted from signal of 1

position SW, is displayed.

G Status of ASCD cruise

G This is displayed even

signal is displayed.

when no ASCD is

ON ... Cruising state

mounted.

OFF ... Normal running

state

Revision: December 2006

AT-45

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

Item ASCD OD cut signal
Kickdown switch Gear position Selector lever position
Vehicle speed Stop lamp switch
Throttle position
Line pressure duty
Torque converter clutch solenoid valve duty
Shift solenoid valve A
Shift solenoid valve B
Overrun clutch solenoid valve
Self-diagnosis display lamp (O/D OFF indicator lamp) X: Applicable --: Not applicable

Display
ASCD OD CUT [ON/OFF]
KICKDOWN SW [ON/OFF] GEAR
SLCT LVR POSI
VEHICLE SPEED [km/h] or [mph] BRAKE SW [ON/OFF]
THROTTLE POSI [/8] LINE PRES DTY [%]
TCC S/V DUTY [%]
SHIFT S/V A [ON/OFF]
SHIFT S/V B [ON/OFF]
OVERRUN/C S/ V [ON/OFF]
SELF-D DP LMP [ON/OFF]

Monitor item

TCM input sig-
nals

Main signals

Description

Remarks

G Status of ASCD OD release signal is displayed. ON ... OD released OFF ... OD not released

G This is displayed even when no ASCD is mounted.

G ON/OFF status, com-

G This is displayed even

puted from signal of kick- when no kickdown switch

down SW, is displayed.

is equipped.

G Gear position data used for computation by TCM, is displayed.

G Selector lever position data, used for computation by TCM, is displayed.

G A specific value used for control is displayed if failsafe is activated due to error.

G Vehicle speed data, used for computation by TCM, is displayed.

G ON/OFF status are displayed. ON: Brake pedal is depressed. OFF: Brake pedal is released.

G Throttle position data, used for computation by TCM, is displayed.

G A specific value used for control is displayed if failsafe is activated due to error.

G Control value of line pressure solenoid valve, computed by TCM from each input signal, is displayed.

G Control value of torque converter clutch solenoid valve, computed by TCM from each input signal, is displayed.

G Control value of shift solenoid valve A, computed by TCM from each input signal, is displayed.
G Control value of shift solenoid valve B, computed by TCM from each input signal, is displayed.

Control value of solenoid is displayed even if solenoid circuit is disconnected. The "OFF" signal is displayed if solenoid circuit is shorted.

G Control value of overrun clutch solenoid valve computed by TCM from each input signal is displayed.

G Control status of O/D OFF indicator lamp is displayed.

Revision: December 2006

AT-46

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

DTC WORK SUPPORT MODE WITH CONSULT-II

CONSULT-II Setting Procedure

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be

detected in self-diagnosis depending on control unit which carries out CAN communication.

1. Turn ignition switch "OFF".

2. Connect CONSULT-II and CONSULT-II CONVERTER to the

data link connector.

3. Turn ignition switch "ON". 4. Touch "START (NISSAN BASED VHCL)".

E
LAT136
F
G

5. Touch "A/T". If "A/T" is not indicated, go to GI-38, "CONSULT-II Data Link Connector (DLC) Circuit" .

I
BCIA0029E
J K

6. Touch "DTC WORK SUPPORT".

BCIA0030E

Revision: December 2006

AT-47

BCIA0031E
2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
7. Touch select item menu (1ST, 2ND, etc.).

[RE4F03B]

8. Touch "START".

SAT018K

9. Perform driving test according to "DTC CONFIRMATION PROCEDURE" in "TROUBLE DIAGNOSIS FOR DTC".
G When testing conditions are satisfied, CONSULT-II screen changes from "OUT OF CONDITION" to "TESTING".

SAT589J SAT019K SAT591J

Revision: December 2006

AT-48

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
10. Stop vehicle. If "NG" appears on the screen, malfunction may exist. Go to "DIAGNOSTIC PROCEDURE".

[RE4F03B]
A

AT
SAT592J
D

11. Perform test drive to check gear shift feeling in accordance with instructions displayed.

G
SAT593J
H
I

12. Touch "YES" or "NO".

SAT594J

SAT595J

Revision: December 2006

AT-49

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
13. CONSULT-II procedure ended.

[RE4F03B]

SAT596J

If "NG" appears on the screen, a malfunction may exist. Go to "DIAGNOSTIC PROCEDURE".

SAT593J

DTC WORK SUPPORT MODE

DTC work support item

Description

Check items (Possible cause)

1ST GR FNCTN P0731 2ND GR FNCTN P0732 3RD GR FNCTN P0733 4TH GR FNCTN P0734 TCC S/V FNCTN P0744

Following items for "A/T 1st gear function (P0731)" can be confirmed. G Self-diagnosis status (whether the diagnosis is being conducted
or not) G Self-diagnosis result (OK or NG)
Following items for "A/T 2nd gear function (P0732)" can be confirmed. G Self-diagnosis status (whether the diagnosis is being conducted
or not) G Self-diagnosis result (OK or NG)
Following items for "A/T 3rd gear function (P0733)" can be confirmed. G Self-diagnosis status (whether the diagnosis is being conducted
or not) G Self-diagnosis result (OK or NG)
Following items for "A/T 4th gear function (P0734)" can be confirmed. G Self-diagnosis status (whether the diagnosis is being conducted
or not) G Self-diagnosis result (OK or NG)
Following items for "A/T TCC S/V function (lock-up) (P0744)" can be confirmed. G Self-diagnosis status (whether the diagnosis is being conducted
or not) G Self-diagnosis result (OK or NG)

G Shift solenoid valve A G Shift solenoid valve B G Each clutch G Hydraulic control circuit
G Shift solenoid valve B G Each clutch G Hydraulic control circuit
G Shift solenoid valve A G Each clutch G Hydraulic control circuit
G Shift solenoid valve A G Shift solenoid valve B G Line pressure solenoid valve G Each clutch G Hydraulic control circuit
G Torque converter clutch solenoid valve
G Each clutch G Hydraulic control circuit

DIAGNOSTIC PROCEDURE WITHOUT CONSULT-II OBD-II Self-diagnostic Procedure (With GST)

Refer to EC-127, "Generic Scan Tool (GST) Function" .

Revision: December 2006

AT-50

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
OBD-II Self-diagnostic Procedure (No Tools) Refer to EC-64, "Malfunction Indicator Lamp (MIL)" .
TCM Self-diagnostic Procedure (No Tools)
1. CHECK O/D OFF INDICATOR LAMP
1. Move A/T selector lever to "P" position. Start the engine. Warm engine to normal operating temperature.
2. Turn ignition switch to "OFF" position. 3. Wait 5 seconds. 4. Turn ignition switch to "ON" position.
(Do not start engine.) 5. Does O/D OFF indicator lamp come on for about 2 seconds?

[RE4F03B]
A B AT D E

SAT967I

Yes or No
Yes >> GO TO 2. No >> GO TO AT-219, "1. O/D OFF Indicator Lamp Does Not Come On" .

J
LAT154
K
L

Revision: December 2006

AT-51

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
2. JUDGEMENT PROCEDURE STEP 1

[RE4F03B]

1. Turn ignition switch to "OFF" position.
2. Turn ignition switch to "ACC" position.
3. Move A/T selector lever from "P" to "D" position.
4. Turn ignition switch to "ON" position. (Do not start engine.)
5. Depress and hold overdrive control switch (the O/D OFF indicator lamp will be "ON") until directed to release the switch. If O/D OFF indicator lamp does not come on, go to AT-248, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks}" .
6. Turn ignition switch to "OFF" position.
7. Turn ignition switch to "ON" position. (Do not start engine.)
8. Release the overdrive control switch (the O/D OFF indicator lamp will be "OFF").
9. Wait 2 seconds.
10. Move A/T selector lever to "2" position.
11. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "ON").
SAT968I

12. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be "OFF") until directed to release the switch.

>> GO TO 3.

SAT969I

Revision: December 2006

AT-52

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F03B]

3. JUDGEMENT PROCEDURE STEP 2 A

1. Move A/T selector lever to "1" position.

2. Release the overdrive control switch.

3. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "ON").

4. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be "OFF").

5. Depress and hold the overdrive control switch (the O/D OFF

indicator lamp will be "ON") until directed to release the switch.

6. Depress accelerator pedal fully and release. 7. Release the overdrive control switch (the O/D OFF indicator
lamp will begin to flash "ON" and "OFF").
>> GO TO 4.

SAT970I

4. CHECK SELF-DIAGNOSIS CODE
Check O/D OFF indicator lamp. Refer to AT-54, "Judgement of Self-diagnosis Code" .

I
SAT981F
J
K

LAT154
>> DIAGNOSIS END

Revision: December 2006

AT-53

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

Judgement of Self-diagnosis Code
All judgement flickers are the same.

O/D OFF indicator lamp: 1st judgement flicker is longer than others.

[RE4F03B]

WCIA0073E
All circuits that can be confirmed by self-diagnosis are OK.
2nd judgement flicker is longer than others.

WCIA0074E
ÞRevolution sensor circuit is short-circuited or disconnected. Go to AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" .
3rd judgement flicker is longer than others.

WCIA0075E
ÞVehicle speed sensor circuit is short-circuited or disconnected. Go to AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR" .
4th judgement flicker is longer than others.

WCIA0076E
Throttle position sensor [accelerator pedal position (APP) sensor]
Þcircuit is short-circuited or disconnected. Go to AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .
5th judgement flicker is longer than others.

WCIA0077E
ÞShift solenoid valve A circuit is short-circuited or disconnected. Go to AT-178, "DTC P0750 SHIFT SOLENOID VALVE A" .
6th judgement flicker is longer than others.

WCIA0078E
ÞShift solenoid valve B circuit is short-circuited or disconnected. Go to AT-182, "DTC P0755 SHIFT SOLENOID VALVE B" .
7th judgement flicker is longer than others.

WCIA0079E
Overrun clutch solenoid valve circuit is short-circuited or discon-
Þnected. Go to AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" .
8th judgement flicker is longer than others.

WCIA0080E
Torque converter clutch solenoid valve circuit is short-circuited or
Þdisconnected. Go to AT-158, "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
9th judgement flicker is longer than others.

WCIA0081E
A/T fluid temperature sensor is disconnected or TCM power
Þsource circuit is damaged. Go to AT-196, "DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)" .

WCIA0082E
ÞEngine speed signal circuit is short-circuited or disconnected. Go to AT-130, "DTC P0725 ENGINE SPEED SIGNAL" .

Revision: December 2006

AT-54

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

10th judgement flicker is longer than others.

O/D OFF indicator lamp: 11th judgement flicker is longer than others.

[RE4F03B]
A

WCIA0083E
Line pressure solenoid valve circuit is short-circuited or discon-
Þnected. Go to AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE" .
Flickers as shown below.

AT
SAT599J
ÞThe ECM-A/T communication line is open or shorted. Go to AT-207, "DTC U1000 CAN COMMUNICATION LINE" . D
Lamp comes on.
E

WCIA0084E

WCIA0085E

Battery power is low. Battery has been disconnected for a long time. Battery is connected conversely.

PNP switch, overdrive control switch or throttle position switch cir-
Þcuit is disconnected or TCM is damaged. Go to AT-248, "21. TCM Self-diagnosis Does Not Activate

(When reconnecting TCM connectors. -- This is not a problem.) {Park/neutral Position (PNP), Overdrive Control and Throttle

Position Sensor [Accelerator Pedal Position (APP) Sensor]

Switches Circuit Checks}" .

t1 = 2.5 seconds t2 = 2.0 seconds t3 = 1.0 second t4 = 1.0 second

Revision: December 2006

AT-55

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION
TROUBLE DIAGNOSIS -- INTRODUCTION
Introduction
The TCM receives a signal from the vehicle speed sensor, throttle position sensor [accelerator pedal position (APP) sensor] or PNP switch and provides shift control or lock-up control via A/T solenoid valves. The TCM also communicates with the ECM by means of a signal sent from sensing elements used with the OBD-related parts of the A/T system for malfunction-diagnostic purposes. The TCM is capable of diagnosing malfunctioning parts while the ECM can store malfunctions in its memory. Input and output signals must always be correct and stable in the operation of the A/T system. The A/T system must be in good operating condition and be free of valve seizure, solenoid valve malfunction, etc. It is much more difficult to diagnose a problem that occurs intermittently rather than continuously. Most intermittent problems are caused by poor electric connections or improper wiring. In this case, careful checking of suspected circuits may help prevent the replacement of good parts. A visual check only may not find the cause of the problems. A road test with CONSULT-II (or GST) or a circuit tester connected should be performed. Follow the "Work Flow". Refer to AT-60, "Work Flow" .
Before undertaking actual checks, take a few minutes to talk with a customer who approaches with a driveability complaint. The customer can supply good information about such problems, especially intermittent ones. Find out what symptoms are present and under what conditions they occur. A "Diagnostic Worksheet" like the example (AT-58, "Diagnostic Worksheet" ) should be used. Start your diagnosis by looking for "conventional" problems first. This will help troubleshoot driveability problems on an electronically controlled engine vehicle. Also check related Service bulletins for information.

[RE4F03B]
PFP:00000
ECS005WG
AAT473A
SAT632I
SEF234G

Revision: December 2006

AT-56

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION

DIAGNOSTIC WORKSHEET Information from Customer KEY POINTS G WHAT ..... Vehicle & A/T model G WHEN..... Date, Frequencies G WHERE..... Road conditions G HOW..... Operating conditions, Symptoms

Customer name MR/MS Trans. model Incident Date Frequency Symptoms
O/D OFF indicator lamp Malfunction indicator lamp (MIL)

Model & Year

VIN

Engine

Mileage

Manuf. Date

In Service Date

Continuous Intermittent ( times a day)

Vehicle does not move. ( Any position Particular position)

No up-shift ( 1st 2nd 2nd 3rd 3rd O/D)

No down-shift ( O/D 3rd 3rd 2nd 2nd 1st)

Lockup malfunction

Shift point too high or too low.

Shift shock or slip ( N D Lockup Any drive position)

Noise or vibration

No kickdown

No pattern select

Others

(

)

Blinks for about 8 seconds.

Continuously lit

Not lit

Continuously lit

Not lit

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-57

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION

[RE4F03B]

Diagnostic Worksheet

Read the "FAIL-SAFE" and listen to customer complaints.

AT-11, "FAILSAFE"

CHECK A/T FLUID

Leakage (Follow specified procedure) Fluid condition Fluid level

AT-63, "A/T Fluid Check"

Perform STALL TEST and LINE PRESSURE TEST.

AT-63, "Stall

Stall test -- Mark possible damaged components/others.

Test", AT-67, "Line Pres-

Torque converter one-way clutch

Low & reverse brake

sure Test"

Reverse clutch

Low one-way clutch

Forward clutch

Engine

Overrun clutch

Line pressure is low

Forward one-way clutch

Clutches and brakes except high clutch

and brake band are OK

Line Pressure test -- Suspected parts:

Perform all ROAD TEST and mark required procedures.

AT-68, "Road Test"

4-1.

Check before engine is started.

AT-70, "1.

SELF-DIAGNOSTIC PROCEDURE -- Mark detected items.

CHECK BEFORE

PNP switch, AT-114, "DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .

ENGINE IS

A/T fluid temperature sensor, AT-119, "DTC P0710 A/T FLUID TEMPERATURE SENSOR STARTED"

CIRCUIT" .

Vehicle speed sensor·A/T (Revolution sensor), AT-125, "DTC P0720 VEHICLE SPEED

SENSOR·A/T (REVOLUTION SENSOR)" .

Engine speed signal, AT-130, "DTC P0725 ENGINE SPEED SIGNAL" .

Torque converter clutch solenoid valve,.

Line pressure solenoid valve, AT-172, "DTC P0745 LINE PRESSURE SOLENOID

VALVE" .

Shift solenoid valve A, AT-178, "DTC P0750 SHIFT SOLENOID VALVE A" .

Shift solenoid valve B, AT-182, "DTC P0755 SHIFT SOLENOID VALVE B" .

Throttle position sensor [accelerator pedal position (APP) sensor], AT-186, "DTC P1705

THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .

Overrun clutch solenoid valve, AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID

VALVE" .

PNP, overdrive control and throttle position sensor [accelerator pedal position (APP) sen-

sor], AT-248, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Over-

drive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor]

Switches Circuit Checks}" .

A/T fluid temperature sensor and TCM power source, AT-196, "DTC BATT/FLUID TEMP

SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)" .

Vehicle speed sensor·MTR, AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED

SENSOR·MTR" .

Control unit (RAM), control unit (ROM), AT-210, "DTC CONTROL UNIT (RAM), CON-

TROL UNIT (ROM)" .

Control unit (EEP ROM), AT-212, "DTC CONTROL UNIT (EEP ROM)" .

Battery

Others

4-2.

Check at idle

AT-71, "2.

1. O/D OFF Indicator Lamp Does Not Come On, AT-219, "1. O/D OFF Indicator Lamp Does Not Come On" .

CHECK AT IDLE"

2. Engine Cannot Be Started In "P" And "N" Position, AT-221, "2. Engine Cannot Be Started In

"P" and "N" Position" .

3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed, AT-222, "3. In "P" Posi-

tion, Vehicle Moves Forward Or Backward When Pushed" .

4. In "N" Position, Vehicle Moves, AT-223, "4. In "N" Position, Vehicle Moves" .

5. Large Shock. "N" "R" Position, AT-224, "5. Large Shock. "N" "R" Position" .

6. Vehicle Does Not Creep Backward In "R" Position, AT-225, "6. Vehicle Does Not Creep Back-

ward In "R" Position" .

7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position, AT-227, "7. Vehicle Does Not

Creep Forward In "D", "2" Or "1" Position" .

Revision: December 2006

AT-58

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION

[RE4F03B]

4-3

Cruise test

AT-73, "3.

(cont'd) (cont'd) Part-1

CRUISE

TEST"

8. Vehicle Cannot Be Started From D1 , AT-229, "8. Vehicle Cannot Be Started From D1" .

AT-77,

9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2 , AT-232, "9. A/T Does Not "Cruise Test

Shift: D1 D2 Or Does Not Kickdown: D4 D2" .

-- Part 1"

10. A/T Does Not Shift: D2 D3 , AT-234, "10. A/T Does Not Shift: D2 D3" .

11. A/T Does Not Shift: D3 D4 , AT-236, "11. A/T Does Not Shift: D3 D4" .

12. A/T Does Not Perform Lock-up, AT-238, "12. A/T Does Not Perform Lock-up" . 13. A/T Does Not Hold Lock-up Condition, AT-239, "13. A/T Does Not Hold Lock-up Condition" .

14. Lock-up Is Not Released, AT-241, "14. Lock-up Is Not Released" .

15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 ), AT-242, "15. Engine

Speed Does Not Return To Idle (Light Braking D4 D3 )" .

Part-2

AT-80,

16. Vehicle Does Not Start From D1 , AT-243, "16. Vehicle Does Not Start From D1" . 9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2 , AT-232, "9. A/T Does Not

"Cruise Test -- Part 2"

Shift: D1 D2 Or Does Not Kickdown: D4 D2" .

10. A/T Does Not Shift: D2 D3 , AT-234, "10. A/T Does Not Shift: D2 D3" .

11. A/T Does Not Shift: D3 D4 , AT-236, "11. A/T Does Not Shift: D3 D4" .

4-3 . Part-3

AT-82,

(cont'd) (cont'd) 17. A/T Does Not Shift: D4 D3 When Overdrive Control Switch "ON" "OFF", AT-245, "17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch "ON" "OFF"" .

"Cruise Test -- Part 3"

15. Engine Speed Does Not Return To Idle (Engine Brake In D3 ), AT-242, "15. Engine Speed

Does Not Return To Idle (Light Braking D4 D3 )" .

18. A/T Does Not Shift: D3 22 , When Selector Lever "D" "2" Position, AT-246, "18. A/T

Does Not Shift: D3 22 , When Selector Lever "D" "2" Position" . 15. Engine Speed Does Not Return To Idle (Light Braking D4 D2 ), AT-242, "15. Engine

Speed Does Not Return To Idle (Light Braking D4 D3 )" .

19. A/T Does Not Shift: 22 11 , When Selector Lever "2" "1" Position, AT-247, "19. A/T

Does Not Shift: 22 11 , When Selector Lever "2" "1" Position" .

20. Vehicle Does Not Decelerate By Engine Brake, AT-248, "20. Vehicle Does Not Decelerate

By Engine Brake" . SELF-DIAGNOSTIC PROCEDURE -- Mark detected items.

PNP switch, AT-114, "DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .

A/T fluid temperature sensor, AT-119, "DTC P0710 A/T FLUID TEMPERATURE SENSOR

CIRCUIT" .

Vehicle speed sensor·A/T (Revolution sensor), AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" .

Engine speed signal, AT-130, "DTC P0725 ENGINE SPEED SIGNAL" .

Torque converter clutch solenoid valve, AT-158, "DTC P0740 TORQUE CONVERTER

CLUTCH SOLENOID VALVE" .

Line pressure solenoid valve, AT-172, "DTC P0745 LINE PRESSURE SOLENOID

VALVE" .

Shift solenoid valve A, AT-178, "DTC P0750 SHIFT SOLENOID VALVE A" .

Shift solenoid valve B, AT-182, "DTC P0755 SHIFT SOLENOID VALVE B" .

Throttle position sensor [accelerator pedal position (APP) sensor], AT-186, "DTC P1705

THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" . Overrun clutch solenoid valve, AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID

VALVE" . PNP, overdrive control and throttle position sensor [accelerator pedal position (APP) sen-

sor], AT-248, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Over-

drive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor]

Switches Circuit Checks}" . A/T fluid temperature sensor and TCM power source, AT-196, "DTC BATT/FLUID TEMP

SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)" . Vehicle speed sensor·MTR, AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED

SENSOR·MTR" . Control unit (RAM), control unit (ROM), AT-210, "DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)" . Control unit (EEP ROM), AT-212, "DTC CONTROL UNIT (EEP ROM)" . Battery Others

Revision: December 2006

AT-59

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION

[RE4F03B]

For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.

AT-43, "SELF-DIAGNOSTIC RESULT TEST MODE"

Perform all ROAD TEST and re-mark required procedures.

AT-68, "Road Test"

Perform DTC CONFIRMATION PROCEDURE for following MIL indicating items and check out NG items. EC section

Refer to EC-124, "DTC & SRT CONFIRMATION MODE" .

DTC (P0731), AT-134, "DTC P0731 A/T 1ST GEAR FUNCTION" . DTC (P0732), AT-139, "DTC P0732 A/T 2ND GEAR FUNCTION" . DTC (P0733), AT-144, "DTC P0733 A/T 3RD GEAR FUNCTION" . DTC (P0734), AT-149, "DTC P0734 A/T 4TH GEAR FUNCTION" . DTC (P0744), AT-162, "DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .

Perform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged AT-43,

parts.

"SELF-DIAG-

Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible NOSTIC

symptoms and the component inspection orders.)

RESULT

TEST MODE"

AT-84,

"Symptom

Chart"

Erase DTC from TCM and ECM memories.

AT-40, "HOW TO ERASE DTC"

Work Flow
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR

ECS005WH

A good understanding of the malfunction conditions can make troubleshooting faster and more accurate. In general, each customer feels differently about a problem. It is important to fully understand the symptoms or conditions for a customer complaint. Make good use of the two sheets provided, "Information from Customer" (AT-57, "Information from Customer" ) and "Diagnostic Worksheet" (AT-58, "Diagnostic Worksheet" ), to perform the best troubleshooting possible.

Revision: December 2006

AT-60

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION
WORK FLOW CHART

[RE4F03B]
A

*1 AT-57, "Information from Customer" *2 AT-58, "Diagnostic Worksheet"

*4 AT-63, "A/T Fluid Check"

*5 AT-63, "Stall Test", AT-67, "Line Pressure Test"

*7 AT-42, "CONSULT-II"

*8 AT-38, "Introduction"

*10 AT-114, "Description"

*11 AT-212, "Description"

*3 AT-11, "FAIL-SAFE" *6 AT-68, "Road Test"

WAT300

*9 AT-54, "Judgement of Self-diagnosis Code"
*12 AT-219, "1. O/D OFF Indicator Lamp Does Not Come On"

Revision: December 2006

AT-61

2006 Sentra

TROUBLE DIAGNOSIS -- INTRODUCTION

[RE4F03B]

*13 AT-248, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks}"
*16 AT-114, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE"

*14 AT-84, "Symptom Chart"
*17 AT-212, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE"

*15 AT-40, "HOW TO ERASE DTC"
*18 EC-52, "EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS".

Revision: December 2006

AT-62

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
TROUBLE DIAGNOSIS -- BASIC INSPECTION A/T Fluid Check
FLUID LEAKAGE CHECK 1. Clean area suspected of leaking, for example, mating surface of
converter housing and transmission case. 2. Start engine, apply foot brake, place selector lever in "D" posi-
tion and wait a few minutes. 3. Stop engine.
4. Check for fresh leakage.

FLUID CONDITION CHECK

Fluid color Dark or black with burned odor Milky pink
Varnished fluid, light to dark brown and tacky

Suspected problem
Wear of frictional material
Water contamination -- Road water entering through filler tube or breather
Oxidation -- Over or under filling, -- Overheating

FLUID LEVEL CHECK Refer to MA-32, "Checking A/T Fluid" .
Stall Test
STALL TEST PROCEDURE 1. Check A/T fluid and engine oil levels. If necessary, add. 2. Drive vehicle for approx. 10 minutes or until fluid and oil reach
operating temperature.
ATF operating tempera- : 50 - 80°C (122 - 176°F) ture

[RE4F03B]
PFP:00000
A
ECS005WI
B

SAT767B

G
H
SAT288G
I
J

K
L
SAT638A
M
ECS005WJ

Revision: December 2006

AT-63

SAT647B
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
3. Set parking brake and block wheels. 4. Install a tachometer where it can be seen by driver during test.
G It is good practice to mark the point of specified engine rpm on indicator.

[RE4F03B]

5. Start engine, apply foot brake, and place selector lever in "D" position.
6. Accelerate to wide open throttle gradually while applying foot brake.
7. Quickly note the engine stall revolution and immediately release throttle.
G During test, never hold throttle wide open for more than 5 seconds.

Stall revolution QG18DE

: 2,350 - 2,800 rpm

8. Move selector lever to "N" position. 9. Cool off ATF.
G Run engine at idle for at least one minute. 10. Repeat steps 5 through 9 with selector lever in "2", "1" and "R"
positions.

SAT513G SAT514G

SAT771B
JUDGEMENT OF STALL TEST
The test result and possible damaged components relating to each result are shown in the illustrations that follow. In order to pinpoint the possible damaged components, follow the "Work Flow" shown in AT-60, "Work Flow" .
NOTE: Stall revolution is too high in "D", "2" or "1" position:
G Slippage occurs in 1st gear but not in 2nd and 3rd gears...... Low one-way clutch slippage
G Slippage occurs in the following gears: 1st through 3rd gears in "D" position and engine brake functions with overdrive control switch set to "OFF". 1st and 2nd gears in "2" position and engine brake functions with accelerator pedal released (fully closed throttle)...... Forward clutch or forward one-way clutch slippage
Stall revolution is too high in R position:
G Engine brake does not function in "1" position...... Low & reverse brake slippage
G Engine brake functions in "1" position...... Reverse clutch slippage
Stall revolution within specifications:
G Vehicle does not achieve speed of more than 80 km/h (50 MPH)...... One-way clutch seizure in torque converter housing
CAUTION: Be careful since automatic fluid temperature increases abnormally.
G Slippage occurs in 3rd and 4th gears in "D" position...... High clutch slippage

Revision: December 2006

AT-64

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION

[RE4F03B]

G Slippage occurs in 2nd and 4th gear in "D" position...... Brake band slippage G Engine brake does not function in 2nd and 3rd gears in "D" position, 2nd gear in "2" position, and 1st gear A
in "1" position with overdrive control switch set to "OFF"....... Overrun clutch slippage

Stall revolution less than specifications:

G Poor acceleration during starts...... One-way clutch slippage in torque converter

Revision: December 2006

AT-65

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION

[RE4F03B]

Revision: December 2006

AT-66

SAT871HA
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION Line Pressure Test
LINE PRESSURE TEST PORTS Location of line pressure test ports are shown in the illustration. G Always replace pressure plugs as they are self-sealing
bolts.
LINE PRESSURE TEST PROCEDURE 1. Check A/T fluid and engine oil levels. If necessary, add fluid or
oil. 2. Drive vehicle for approx. 10 minutes or until engine oil and ATF
reach operating temperature. ATF operating tempera- : 50 - 80°C (122 - 176°F) ture
3. Install pressure gauge to corresponding line pressure port.
4. Set parking brake and block wheels. G Continue to depress brake pedal fully while line pressure test is being performed at stall speed.

[RE4F03B]
ECS005WK
A

D
SAT561J
E

G
H
SAT647B
I

AAT898

SAT513G

Revision: December 2006

AT-67

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
5. Start engine and measure line pressure at idle and stall speed. G When measuring line pressure at stall speed, follow the stall test procedure.
Refer to AT-67, "Line Pressure Test" .

[RE4F03B]

SAT493G

JUDGEMENT OF LINE PRESSURE TEST

Judgement

Suspected parts

Line pressure is low in all positions.

G Oil pump wear G Control piston damage G Pressure regulator valve or plug sticking G Spring for pressure regulator valve damaged G Fluid pressure leakage between oil strainer and pressure regulator valve G Clogged strainer

At idle

Line pressure is low in particular position.

G Fluid pressure leakage between manual valve and particular clutch
G For example, line pressure is: - Low in "R" and "1" positions, but - Normal in "D" and "2" positions. Therefore, fluid leakage exists at or around low and reverse brake circuit.
Refer to AT-22, "CLUTCH AND BAND CHART" .

Line pressure is high.

G Maladjustment of throttle position sensor [accelerator pedal position (APP) sensor]
G A/T fluid temperature sensor damaged G Line pressure solenoid valve sticking G Short circuit of line pressure solenoid valve circuit G Pressure modifier valve sticking G Pressure regulator valve or plug sticking G Open in dropping resistor circuit

Line pressure is low.
At stall speed

G Maladjustment of throttle position sensor [accelerator pedal position (APP) sensor]
G Line pressure solenoid valve sticking G Short circuit of line pressure solenoid valve circuit G Pressure regulator valve or plug sticking G Pressure modifier valve sticking G Pilot valve sticking

Road Test
DESCRIPTION G The purpose of the test is to determine overall performance of
the transmission and analyze causes of problems.
G The road test consists of the following three parts:
1. Check before engine is started
2. Check at idle

ECS005WL

Revision: December 2006

AT-68

SAT786A
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
3. Cruise test G Before road test, familiarize yourself with all test procedures and
items to check. G Conduct tests on all items until specified symptom is found.
Troubleshoot items which check out No Good after road test. Refer to AT-38, "ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION" and AT-214, "TROUBLE DIAGNOSES FOR SYMPTOMS" .

[RE4F03B]
A B AT
SAT496G
D E F G H I J K L M

Revision: December 2006

AT-69

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
1. CHECK BEFORE ENGINE IS STARTED
1. CHECK O/D OFF INDICATOR LAMP
1. Park vehicle on flat surface. 2. Move A/T selector lever to "P" position. 3. Turn ignition switch to "OFF" position. Wait at least 5 seconds. 4. Turn ignition switch to "ON" position. (Do not start engine.) 5. Does O/D OFF indicator lamp come on for about 2 seconds?

[RE4F03B]

SAT967I

LAT154
Yes or No Yes >> GO TO 2. No >> Stop ROAD TEST. Go to AT-219, "1. O/D OFF Indicator Lamp Does Not Come On" .
2. CHECK O/D OFF INDICATOR LAMP
Does O/D OFF indicator lamp flicker for about 8 seconds?

LAT154
Yes or No
Yes >> TCM is in fail-safe mode. Perform self-diagnosis and check NG items on the AT-58, "Diagnostic Worksheet" . Refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" .
No >> 1. Turn ignition switch to "OFF" position.
2. Perform self-diagnosis and note NG items. Refer to AT-51, "TCM Self-diagnostic Procedure (No Tools)" .
3. Go to AT-71, "2. CHECK AT IDLE" .

Revision: December 2006

AT-70

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
2. CHECK AT IDLE
1. CHECK ENGINE START
1. Park vehicle on flat surface. 2. Move A/T selector lever to "P" position. 3. Turn ignition switch to "OFF" position. 4. Turn ignition switch to "START" position. 5. Is engine started? Yes or No
Yes >> GO TO 2. No >> Stop ROAD TEST. Mark the box on the DIAGNOSTIC
WORKSHEET. Go to AT-221, "2. Engine Cannot Be Started In "P" and "N" Position" .
2. CHECK ENGINE START
1. Turn ignition switch to "ACC" position. 2. Move A/T selector lever to "D", "1", "2" or "R" position. 3. Turn ignition switch to "START" position. 4. Is engine started? Yes or No
Yes >> Stop ROAD TEST. Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-221, "2. Engine Cannot Be Started In "P" and "N" Position" .
No >> GO TO 3.
3. CHECK VEHICLE MOVE
1. Move A/T selector lever to "P" position. 2. Turn ignition switch to "OFF" position. 3. Release parking brake.
>> GO TO 4.

[RE4F03B]
A

E
SAT769B
F

SAT770B

SAT768B

Revision: December 2006

AT-71

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
4. CHECK VEHICLE MOVE
1. Push vehicle forward or backward. 2. Does vehicle move when it is pushed forward or backward? 3. Apply parking brake. Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-222, "3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed" . Continue ROAD TEST.
No >> GO TO 5.
5. CHECK VEHICLE MOVE
1. Start engine. 2. Move A/T selector lever to "N" position. 3. Release parking brake. 4. Does vehicle move forward or backward? Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-223, "4. In "N" Position, Vehicle Moves" . Continue ROAD TEST.
No >> GO TO 6.
6. CHECK SHIFT SHOCK
1. Apply foot brake.

[RE4F03B]
SAT796A SAT771B

2. Move A/T selector lever to "R" position.
3. Is there large shock when changing from "N" to "R" position?
Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-224, "5. Large Shock. "N" "R" Position" . Continue ROAD TEST.
No >> GO TO 7.

Revision: December 2006

AT-72

SAT797A
SAT772B
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
7. CHECK VEHICLE MOVE
1. Release foot brake for several seconds. 2. Does vehicle creep backward when foot brake is released? Yes or No
Yes >> GO TO 8. No >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to
AT-225, "6. Vehicle Does Not Creep Backward In "R" Position" . Continue ROAD TEST.
8. CHECK VEHICLE MOVE
1. Move A/T selector lever to "D", "2" and "1" positions and check if vehicle creeps forward.
2. Does vehicle creep forward in all three positions? Yes or No
Yes >> Go to AT-73, "3. CRUISE TEST" . No >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to
AT-227, "7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position" . Continue ROAD TEST.
3. CRUISE TEST G Check all items listed in Parts 1 through 3 of Diagnostic Worksheet.
With CONSULT-II G Using CONSULT-II, conduct a cruise test and record the result. G Print the result and ensure that shifts and lock-ups take place as
per Shift Schedule.

[RE4F03B]
A
B AT
D
SAT799A
E
F G H
SAT773B
I J
K

M
SAT601J
CONSULT-II Setting Procedure CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication. 1. With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn ignition switch ON.

Revision: December 2006

AT-73

LAT136
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
2. Touch "START (NISSAN BASED VHCL)".

[RE4F03B]

3. Touch "A/T". If "A/T" is not indicated, go to GI-38, "CONSULT-II Data Link Connector (DLC) Circuit" .
4. Touch "DATA MONITOR".

BCIA0029E BCIA0030E

5. Touch "MAIN SIGNALS" or "TCM INPUT SIGNALS".
6. See "Numerical Display", "Barchart Display" or "Line Graph Display".

BCIA0031E SAT175K

Revision: December 2006

AT-74

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
7. Touch "SETTING" to recording condition ("AUTO TRIG" or "MANU TRIG") and touch "BACK".
8. Touch "START".
9. When performing cruise test, touch "RECORD".
10. After finishing cruise test part 1, touch "STOP".
11. Touch "STORE" and touch "BACK".

[RE4F03B]
A

AT
SAT973J
D

G
SAT134K
H

SAT135K

SAT987J

Revision: December 2006

AT-75

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION

[RE4F03B]

12. Touch "DISPLAY". 13. Touch "PRINT". 14. Check the monitor data printed out. 15. Continue cruise test part 2 and 3.
Without CONSULT-II G Throttle position sensor can be checked by voltage across termi-
nals 41 and 42 of TCM.

SAT974J SAT975J WAT360

Revision: December 2006

AT-76

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
Cruise Test -- Part 1
1. CHECK STARTING GEAR (D1 ) POSITION

[RE4F03B]
A

1. Drive vehicle for approx. 10 minutes to warm engine oil and ATF up to operating temperature.

ATF operating tempera- : 50 - 80°C (122 - 176°F)

ture

2. Park vehicle on flat surface.

3. Set overdrive control switch to "ON" position.

4. Move A/T selector lever to "P" position.

5. Start engine.

6. Move A/T selector lever to "D" position.

SAT001J

7. Accelerate vehicle by constantly depressing accelerator pedal halfway.
8. Does vehicle start from D1 ?
Read gear position.
Yes or No
Yes >> GO TO 2. No >> Go to AT-229, "8. Vehicle Cannot Be Started From D1" .
Continue ROAD TEST.

J
SAT775B
K L M
SAT495G

Revision: December 2006

AT-77

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
2. CHECK SHIFT UP (D1 TO D2 )
Does A/T shift from D1 to D2 at the specified speed? Read gear position, throttle opening and vehicle speed. Specified speed when : Refer to AT-384, "Shift shifting from D1 to D2 Schedule" .
Yes or No Yes >> GO TO 3. No >> Go to AT-232, "9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2" . Continue ROAD TEST.

[RE4F03B]

3. CHECK SHIFT UP (D2 TO D3 )

SAT954I

Does A/T shift from D2 to D3 at the specified speed?
Read gear position, throttle position and vehicle speed.
Specified speed when : Refer to AT-384, "Shift shifting from D2 to D3 Schedule" .
Yes or No Yes >> GO TO 4. No >> Go to AT-234, "10. A/T Does Not Shift: D2 D3" . Continue ROAD TEST.

4. CHECK SHIFT UP (D3 TO D4 )

SAT955I

Does A/T shift from D3 to D4 at the specified speed?
Read gear position, throttle position and vehicle speed.
Specified speed when : Refer to AT-384, "Shift shifting from D3 to D4 Schedule" .
Yes or No Yes >> GO TO 5. No >> Go to AT-236, "11. A/T Does Not Shift: D3 D4" . Continue ROAD TEST.

SAT956I

Revision: December 2006

AT-78

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION

5. CHECK LOCK-UP (D4 TO D4 L/U)

Does A/T perform lock-up at the specified speed?

Read vehicle speed, throttle position when lock-up duty becomes 94%.

Specified speed when : Refer to AT-384, "Shift

lock-up occurs

Schedule" .

Yes or No
Yes >> GO TO 6. No >> Go to AT-238, "12. A/T Does Not Perform Lock-up" .
Continue ROAD TEST.

6. CHECK HOLD LOCK-UP
Does A/T hold lock-up condition for more than 30 seconds? Yes or No
Yes >> GO TO 7. No >> Go to AT-239, "13. A/T Does Not Hold Lock-up Condition" .
7. CHECK SHIFT DOWN (D4 L/U TO D4 )
1. Release accelerator pedal. 2. Is lock-up released when accelerator pedal is released? Yes or No
Yes >> GO TO 8. No >> Go to AT-241, "14. Lock-up Is Not Released" . Continue
ROAD TEST.

8. CHECK SHIFT DOWN (D4 TO D3 )
1. Decelerate vehicle by applying foot brake lightly. 2. Does engine speed return to idle smoothly when A/T is shifted from D4 to D3 ?
Read gear position and engine speed. Yes or No
Yes >> 1. Stop vehicle. 2. Go toAT-80, "Cruise Test -- Part 2" .
No >> Go to AT-242, "15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )" . Continue ROAD TEST.

[RE4F03B]
A B AT D E
SAT957I
F G H I J K
SAT958I
L M
SAT959I

Revision: December 2006

AT-79

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
Cruise Test -- Part 2
1. CHECK STARTING GEAR (D1 ) POSITION
1. Confirm overdrive control switch is in "ON" position. 2. Confirm A/T selector lever is in "D" position. 3. Accelerate vehicle by half throttle again. 4. Does vehicle start from D1 ?
Read gear position. Yes or No
Yes >> GO TO 2. No >> Go to AT-243, "16. Vehicle Does Not Start From D1" .
Continue ROAD TEST.

[RE4F03B]

2. CHECK SHIFT UP AND SHIFT DOWN (D3 TO D4 TO D2 )
1. Accelerate vehicle to 80 km/h (50 MPH) as shown in illustration. 2. Release accelerator pedal and then quickly depress it fully. 3. Does A/T shift from D4 to D2 as soon as accelerator pedal is depressed fully?
Read gear position and throttle position. Yes or No
Yes >> GO TO 3. No >> Go to AT-232, "9. A/T Does Not Shift: D1 D2 Or Does
Not Kickdown: D4 D2" . Continue ROAD TEST.

SAT495G

3. CHECK SHIFT UP (D2 TO D3 )
Does A/T shift from D2 to D3 at the specified speed? Read gear position, throttle position and vehicle speed.
Specified speed when : Refer to AT-384, "Shift shifting from D2 to D3 Schedule" .
Yes or No Yes >> GO TO 4. No >> Go to AT-234, "10. A/T Does Not Shift: D2 D3" . Continue ROAD TEST.

SAT404H SAT960I

Revision: December 2006

AT-80

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
4. CHECK SHIFT UP (D3 TO D4 ) AND ENGINE BRAKE
Release accelerator pedal after shifting from D2 to D3 . Does A/T shift from D3 to D4 and does vehicle decelerate by engine brake?
Read gear position, throttle position and vehicle speed. Yes or No
Yes >> 1. Stop vehicle. 2. Go to AT-82, "Cruise Test -- Part 3" .
No >> Go to AT-236, "11. A/T Does Not Shift: D3 D4" . Continue ROAD TEST.

[RE4F03B]
A

SAT405H

Revision: December 2006

AT-81

2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
Cruise Test -- Part 3
1. VEHICLE SPEED D4 POSITION
1. Confirm overdrive control switch is in "ON" position. 2. Confirm selector lever is in "D" position. 3. Accelerate vehicle using half-throttle to D4 .
>> GO TO 2.

[RE4F03B]

2. CHECK SHIFT DOWN (D4 TO D3 )
1. Release accelerator pedal. 2. Set overdrive control switch to "OFF" position while driving in D4
. 3. Does A/T shift from D4 to D3 (O/D OFF)?

Read gear position and vehicle speed. Yes or No
Yes >> GO TO 3. No >> Go to AT-245, "17. A/T Does Not Shift: D4 D3 , When
Overdrive Control Switch "ON" "OFF"" . Continue ROAD TEST.
3. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> GO TO 4. No >> Go to AT-242, "15. Engine Speed Does Not Return To
Idle (Light Braking D4 D3 )" . Continue ROAD TEST.

Revision: December 2006

AT-82

SAT812A
SAT813A SAT999I
SAT999I
2006 Sentra

TROUBLE DIAGNOSIS -- BASIC INSPECTION
4. CHECK SHIFT DOWN (D3 TO D2 )
1. Move A/T selector lever from "D" to "2" position while driving in D3 (O/D OFF). 2. Does A/T shift from D3 (O/D OFF) to D2 ?
Read gear position. Yes or No
Yes >> GO TO 5. No >> Go to AT-246, "18. A/T Does Not Shift: D3 22 , When
Selector Lever "D" "2" Position" . Continue ROAD TEST.
5. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> GO TO 6. No >> Go to AT-242, "15. Engine Speed Does Not Return To
Idle (Light Braking D4 D3 )" . Continue ROAD TEST.

6. CHECK SHIFT DOWN
1. Move A/T selector lever from "2" to "1" position while driving in 22 . 2. Does A/T shift from 22 to 11 position?
Read gear position. Yes or No
Yes >> GO TO 7. No >> Go to AT-247, "19. A/T Does Not Shift: 22 11 , When
Selector Lever "2" "1" Position" . Continue ROAD TEST.

7. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> 1. Stop vehicle. 2. Perform self-diagnosis. Refer to AT-51, "TCM Selfdiagnostic Procedure (No Tools)" .
No >> Go to AT-248, "20. Vehicle Does Not Decelerate By Engine Brake" . Continue ROAD TEST.

Revision: December 2006

AT-83

[RE4F03B]
A B AT D E
SAT791GA
F G H I
SAT791GA
J K L M
SAT778B
SAT778B
2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

PFP:00000

Symptom Chart

ECS005WM

Numbers are arranged in order of inspection. Perform inspections starting with number one and work up.

Items

Symptom

Condition

Diagnostic Item

Reference Page
QG18DE QG18DE (SULEV) (ULEV)

Not Used

Engine cannot start in "P" and "N" positions. AT-221, "2. Engine Cannot Be Started In "P" and "N" Position"

ON vehicle

1. Ignition switch and starter 2. Control cable adjustment 3. PNP switch adjustment

PG-3, "POWER SUPPLY ROUTING" and SC-7, "STARTING SYS-
TEM"
AT-261, "Control Cable Adjustment"
AT-261, "Park/Neutral Position (PNP) Switch
Adjustment"

Engine starts in position other than "N" and "P" positions. AT-221, "2. Engine Cannot Be Started In "P" and "N" Position"

ON vehicle

1. Control cable adjustment 2. PNP switch adjustment

AT-261, "Control Cable Adjustment"
AT-261, "Park/Neutral Position (PNP) Switch
Adjustment"

1. Fluid level

AT-63, "FLUID LEVEL CHECK"

2. Line pressure test

AT-67, "Line Pressure Test"

Not Used

Transaxle noise in "P" and "N" positions.

ON vehicle

3. Throttle position sensor [accelerator pedal position (APP) sensor]
4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"

OFF vehicle

5. Oil pump 6. Torque converter

AT-291, "Components" AT-271, "Disassembly"

Revision: December 2006

AT-84

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

Vehicle moves when changing into "P" position,

ON vehicle

1. Control cable adjustment

AT-261, "Control Cable Adjustment"

or parking gear does not

disengage when shifted out

of "P" position. AT-222, "3. In "P" Position, OFF vehicle 2. Parking components

AT-266, "Components"

Vehicle Moves Forward Or

Backward When Pushed"

Not Used

ON vehicle 1. Control cable adjustment

AT-261, "Control Cable Adjustment"

AT-323, "FORWARD

Vehicle moves in "N" position.

2. Forward clutch

CLUTCH AND OVER-

RUN CLUTCH"

AT-223, "4. In "N" Position,

Vehicle Moves"

OFF vehicle 3. Reverse clutch

AT-312, "REVERSE

CLUTCH"

AT-323, "FORWARD

4. Overrun clutch

CLUTCH AND OVER-

RUN CLUTCH"

1. Control cable adjustment

AT-261, "Control Cable Adjustment"

2. Stall test

AT-63, "Stall Test"

ON vehicle

3. Line pressure test

AT-67, "Line Pressure Test"

Vehicle will not run in "R" position (but runs in "D", "2" and "1" positions). Clutch

4. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

5. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

Slips/Will Not Engage

slips. Very poor acceleration. AT-225, "6. Vehicle Does Not Creep Backward In "R" Position"

6. Reverse clutch 7. High clutch

AT-312, "REVERSE

CLUTCH"

AT-317, "HIGH

CLUTCH"

OFF vehicle 8. Forward clutch

AT-323, "FORWARD

CLUTCH AND OVER-

RUN CLUTCH"

9. Overrun clutch

AT-323, "FORWARD

CLUTCH AND OVER-

RUN CLUTCH"

10. Low & reverse brake

AT-331, "LOW & REVERSE BRAKE"

Revision: December 2006

AT-85

2006 Sentra

Items Not Used
Shift Shock

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Condition

ON vehicle
Vehicle braked when shifting into "R" position.
OFF vehicle

Sharp shock in shifting from "N" to "D" position.

ON vehicle

OFF vehicle

Diagnostic Item
1. Fluid level 2. Line pressure test 3. Line pressure solenoid valve 4. Control valve assembly 5. High clutch 6. Brake band 7. Forward clutch
8. Overrun clutch
1. Engine idling rpm
2.Throttle position sensor [accelerator pedal position (APP) sensor]
3. Line pressure test
4. A/T fluid temperature sensor
5. Engine speed signal
6. Line pressure solenoid valve 7. Control valve assembly 8. Accumulator N-D 9. Forward clutch

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-67, "Line Pressure Test"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-317, "HIGH CLUTCH"
AT-347, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
EC-78, "Idle Speed and Ignition Timing Check"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT"
AT-130, "DTC P0725 ENGINE SPEED SIG-
NAL"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-296, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"

Revision: December 2006

AT-86

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

Vehicle will not run in "D" ON vehicle and "2" positions (but runs

1. Control cable adjustment

AT-261, "Control Cable Adjustment"

in "1" and "R" positions). OFF vehicle 2. Low one-way clutch

AT-266, "Components"

1. Fluid level

AT-63, "FLUID LEVEL CHECK"

2. Stall test

AT-63, "Stall Test"

3. Line pressure test

AT-67, "Line Pressure

Test"

Slips/Will Not

ON vehicle

4. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

Engage

Vehicle will not run in "D", "1", "2" positions (but runs

5. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

in "R" position). Clutch slips. Very poor accelera-

6. Accumulator N-D

AT-296, "Components"

tion.

7. Reverse clutch

AT-312, "REVERSE CLUTCH"

8. High clutch

G
AT-317, "HIGH CLUTCH"

OFF vehicle 9. Forward clutch

AT-323, "FORWARD

CLUTCH AND OVER-

RUN CLUTCH"

10. Forward one-way clutch

AT-336, "Components"

11. Low one-way clutch

AT-266, "Components"

Revision: December 2006

AT-87

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Condition

Diagnostic Item

1. Fluid level 2. Control cable adjustment

3. Throttle position sensor [accelerator pedal position (APP) sensor]

Slips/Will Not Clutches or brakes slip

Engage

somewhat in starting.

4. Line pressure test

5. Line pressure solenoid valve

ON vehicle

6. Control valve assembly 7. Accumulator N-D

8. Shift solenoid valve A

9. Shift solenoid valve B

10. Overrun clutch solenoid

11. Torque converter clutch solenoid valve

12. Forward clutch

Not Used

Excessive creep.

OFF vehicle ON vehicle

13. Reverse clutch
14. Low & reverse brake 15. Oil pump 16. Torque converter 1. Engine idling rpm

1. Fluid level

Slips/Will Not Engage

No creep at all. AT-225, "6. Vehicle Does Not Creep Backward In "R" Position", AT-227, "7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position"

ON vehicle OFF vehicle

2. Line pressure test 3. Control valve assembly
4. Forward clutch 5. Oil pump 6. Torque converter

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-261, "Control Cable Adjustment"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-296, "Components"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"
AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"
AT-158, "DTC P0740 TORQUE CON-
VERTER CLUTCH SOLENOID VALVE"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-312, "REVERSE CLUTCH"
AT-331, "LOW & REVERSE BRAKE"
AT-291, "OIL PUMP"
AT-266, "Components"
EC-78, "Idle Speed and Ignition Timing Check"
AT-63, "FLUID LEVEL CHECK"
AT-67, "Line Pressure Test"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-291, "OIL PUMP"
AT-266, "Components"

Revision: December 2006

AT-88

2006 Sentra

Items No Up Shift
No Up Shift

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Control cable adjustment

AT-261, "Control Cable Adjustment"

AT-178, "DTC P0750

2. Shift solenoid valve A

SHIFT SOLENOID

VALVE A"

3. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

AT-125, "DTC P0720

VEHICLE SPEED SEN-

Failure to change gear from "D1 " to "D2 ".

ON vehicle

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR

VEHICLE SPEED SEN-

SOR·MTR"

AT-186, "DTC P1705

5. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

OFF vehicle 6. Brake band

AT-347, "Components"

1. Control cable adjustment

AT-261, "Control Cable Adjustment"

AT-182, "DTC P0755

2. Shift solenoid valve B

SHIFT SOLENOID

VALVE B"

3. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

AT-125, "DTC P0720

VEHICLE SPEED SEN-

Failure to change gear from "D2 " to "D3 ".

ON vehicle

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR

VEHICLE SPEED SEN-

SOR·MTR"

AT-186, "DTC P1705

5. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

OFF vehicle

6. High clutch 7. Brake band

AT-317, "HIGH CLUTCH"
AT-347, "Components"

Revision: December 2006

AT-89

2006 Sentra

Items No Up Shift

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom
Failure to change gear from "D3 " to "D4 ".

Condition ON vehicle OFF vehicle

Diagnostic Item 1. PNP switch adjustment
2. Overdrive control switch
3. Shift solenoid valve A
4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR
5. A/T fluid temperature sensor 6. Throttle position sensor [accelerator pedal position (APP) sensor] 7. Brake band

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-261, "Park/Neutral Position (PNP) Switch
Adjustment"
AT-248, "21. TCM Selfdiagnosis Does Not Activate {Park/neutral Position (PNP), Over-
drive Control and Throttle Position Sensor
[Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks}"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"
AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-347, "Components"

Revision: December 2006

AT-90

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

Too high a gear change

TION (APP) SENSOR]"

point from "D1 " to "D2 ",

AT-202, "DTC VHCL

from "D2 " to "D3 ", from

SPEED SEN·MTR

"D3 " to "D4 ". AT-232, "9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2", AT-

ON vehicle

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

VEHICLE SPEED SENSOR·MTR" or AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T

Improper Shift 234, "10. A/T Does Not

Timing

Shift: D2 D3" , AT-236,

(REVOLUTION SEN-

SOR)"

"11. A/T Does Not Shift: D3

AT-178, "DTC P0750

D4"

3. Shift solenoid valve A

SHIFT SOLENOID

VALVE A"

4. Shift solenoid valve B

AT-182, "DTC P0755 SHIFT SOLENOID

VALVE B"

Gear change directly from ON vehicle

1. Fluid level

AT-63, "FLUID LEVEL CHECK"

"D1 " to "D3 " occurs.

2. Accumulator servo release AT-296, "Components"

OFF vehicle 3. Brake band

AT-347, "Components"

1. Engine idling rpm

EC-78, "Idle Speed and

Ignition Timing Check"

2. Fluid level

AT-63, "FLUID LEVEL CHECK"

Engine stops when shifting ON vehicle

AT-158, "DTC P0740

Not Used

lever into "R", "D", "2" and

3. Torque converter clutch

TORQUE CON-

"1".

solenoid valve

VERTER CLUTCH

SOLENOID VALVE"

4. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

OFF vehicle 5. Torque converter

AT-266, "Components"

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

Shift Shock

Too sharp a shock in

ON vehicle

change from "D1 " to "D2 ".

2. Line pressure test 3. Accumulator servo release 4. Control valve assembly

AT-67, "Line Pressure Test"
AT-296, "Components"
AT-296, "CONTROL VALVE ASSEMBLY"

5. A/T fluid temperature sensor

AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT"

OFF vehicle 6. Brake band

AT-347, "Components"

Revision: December 2006

AT-91

2006 Sentra

Items Shift Shock
Shift Shock

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Condition

Too sharp a shock in change from "D2 " to "D3 ".

ON vehicle

OFF vehicle

ON vehicle Too sharp a shock in change from "D3 " to "D4 ".
OFF vehicle

Diagnostic Item
1. Throttle position sensor [accelerator pedal position (APP) sensor]
2. Line pressure test 3. Control valve assembly
4. A/T fluid temperature sensor
5. High clutch 6. Brake band 1. Throttle position sensor [accelerator pedal position (APP) sensor]
2. Line pressure test 3. Control valve assembly
4. A/T fluid temperature sensor 5. Brake band 6. Forward one-way clutch 7. Overrun clutch

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT"
AT-317, "HIGH CLUTCH"
AT-347, "Components"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT"
AT-347, "Components"
AT-323, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"

Revision: December 2006

AT-92

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

AT-186, "DTC P1705

2. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

Almost no shock or

ON vehicle

clutches slipping in change

from "D1 " to "D2 ".

(APP) sensor] 3. Line pressure test

TOR PEDAL POSITION (APP) SENSOR]"

AT-67, "Line Pressure

Test"

4. Accumulator servo release AT-296, "Components"

5. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

Slips/Will Not Engage

OFF vehicle

6. Brake band 1. Fluid level

AT-347, "Components"

AT-63, "FLUID LEVEL

CHECK"

AT-186, "DTC P1705

2. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

Almost no shock or slipping in change from "D2 " to "D3 ".

ON vehicle

(APP) sensor] 3. Line pressure test

TOR PEDAL POSI-

TION (APP) SENSOR]"

AT-67, "Line Pressure

Test"

4. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

OFF vehicle

5. High clutch 6. Brake band

AT-317, "HIGH

CLUTCH"

AT-347, "Components"

1. Fluid level

AT-63, "FLUID LEVEL CHECK"

AT-186, "DTC P1705

2.Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

Slips/Will Not Engage

Almost no shock or slipping ON vehicle in change from "D3 " to "D4 ".

(APP) sensor] 3. Line pressure test

TOR PEDAL POSI-

TION (APP) SENSOR]"

AT-67, "Line Pressure Test"

4. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

OFF vehicle 5. Brake band

AT-347, "Components"

Revision: December 2006

AT-93

2006 Sentra

Items Not Used

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Condition

Diagnostic Item

ON vehicle 1. Fluid level

Vehicle braked by gear change from "D1 " to "D2 ".
OFF vehicle

2. Reverse clutch 3. Low & reverse brake 4. High clutch

5. Low one-way clutch

Vehicle braked by gear change from "D2 " to "D3 ".

ON vehicle OFF vehicle

1. Fluid level 2. Brake band

ON vehicle 1. Fluid level

Vehicle braked by gear change from "D3 " to "D4 ".
OFF vehicle

2. Overrun clutch 3. Forward one-way clutch 4. Reverse clutch

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-312, "REVERSE CLUTCH"
AT-331, "LOW & REVERSE BRAKE"
AT-317, "HIGH CLUTCH"
AT-266, "Components"
AT-63, "FLUID LEVEL CHECK"
AT-347, "Components"
AT-63, "FLUID LEVEL CHECK"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-336, "Components"
AT-312, "REVERSE CLUTCH"

Revision: December 2006

AT-94

2006 Sentra

Items Not Used

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

AT-261, "Park/Neutral

2. PNP switch adjustment

Position (PNP) Switch

Adjustment"

AT-248, "21. TCM Self-

diagnosis Does Not

Activate {Park/neutral

Position (PNP), Over-

3. Overdrive control switch

drive Control and Throttle Position Sensor

[Accelerator Pedal Posi-

tion (APP) Sensor]

Switches Circuit

Checks}"

AT-186, "DTC P1705

ON vehicle

4. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

Maximum speed not attained. Acceleration poor.

5. Vehicle speed sensor · A/T (revolution sensor) and vehicle speed sensor · MTR

AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)"

AT-178, "DTC P0750

6. Shift solenoid valve A

SHIFT SOLENOID

VALVE A"

AT-182, "DTC P0755

7. Shift solenoid valve B

SHIFT SOLENOID

VALVE B"

8. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

9. Reverse clutch

AT-312, "REVERSE CLUTCH"

10. High clutch

AT-317, "HIGH

CLUTCH"

OFF vehicle 11. Brake band

AT-347, "Components"

12. Low & reverse brake

AT-331, "LOW & REVERSE BRAKE"

13. Oil pump

AT-291, "OIL PUMP"

14. Torque converter

AT-266, "Components"

Revision: December 2006

AT-95

2006 Sentra

Items
No Down Shift

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Condition

Diagnostic Item

1. Fluid level

2.Throttle position sensor [accelerator pedal position (APP) sensor]

Failure to change gear from "D4 " to "D3 ".

ON vehicle

3. Overrun clutch solenoid valve

4. Shift solenoid valve A

5. Line pressure solenoid valve

OFF vehicle

6. Control valve assembly 7. Brake band 8. Overrun clutch

1. Fluid level

2. Throttle position sensor [accelerator pedal position (APP) sensor]

Failure to change gear from "D3 " to "D2 " or from "D4 " to "D2 ".

ON vehicle

3. Shift solenoid valve A 4. Shift solenoid valve B

5. Control valve assembly

OFF vehicle

6. High clutch 7. Brake band

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-347, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-63, "FLUID LEVEL CHECK"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-317, "HIGH CLUTCH"
AT-347, "Components"

Revision: December 2006

AT-96

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

AT-186, "DTC P1705

2. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

ON vehicle

AT-178, "DTC P0750

3. Shift solenoid valve A

SHIFT SOLENOID

No Down Shift

Failure to change gear from "D2 " to "D1 " or from "D3 " to "D1 ".

VALVE A"

AT-182, "DTC P0755

4. Shift solenoid valve B

SHIFT SOLENOID

VALVE B"

5. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

6. Low one-way clutch

AT-266, "Components"

OFF vehicle 7. High clutch

AT-317, "HIGH

CLUTCH"

8. Brake band

AT-347, "Components"

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

Shift Shock

Gear change shock felt during deceleration by releasing accelerator

ON vehicle

2. Line pressure test

TION (APP) SENSOR]"

AT-67, "Line Pressure

Test"

pedal.

3. Overrun clutch solenoid valve

AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"

4. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

Too high a change point

Improper Shift Timing

from "D4 " to "D3 ", from "D3 " to "D2 ", from "D2 " to "D1

ON vehicle

AT-125, "DTC P0720

VEHICLE SPEED SEN-

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR

VEHICLE SPEED SEN-

SOR·MTR"

Revision: December 2006

AT-97

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Condition

Kickdown does not operate when depressing pedal in "D4 " within kickdown vehicle speed.

ON vehicle

Improper Shift Timing

Kickdown operates or engine overruns when depressing pedal in "D4 " beyond kickdown vehicle speed limit.

ON vehicle

Diagnostic Item

Reference Page
QG18DE QG18DE (SULEV) (ULEV)

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"

2. Revolution sensor and vehicle speed sensor

AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"

3. Shift solenoid valve A

AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"

4. Shift solenoid valve B

AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"

1. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"

3. Shift solenoid valve A

AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"

4. Shift solenoid valve B

AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"

Revision: December 2006

AT-98

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

AT-186, "DTC P1705

2. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

ON vehicle

3. Line pressure test

AT-67, "Line Pressure

Test"

Races extremely fast or slips in changing from "D4 " to "D3 " when depressing pedal.

4. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

AT-178, "DTC P0750

5. Shift solenoid valve A

SHIFT SOLENOID

VALVE A"

6. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

7. Brake band

AT-347, "Components"

OFF vehicle 8. Forward clutch

AT-323, "FORWARD

CLUTCH AND OVER-

RUN CLUTCH"

Slips/Will Not Engage

1. Fluid level

AT-63, "FLUID LEVEL CHECK"

AT-186, "DTC P1705

2. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

3. Line pressure test

AT-67, "Line Pressure Test"

ON vehicle

4. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

Races extremely fast or slips in changing from "D4 "

AT-178, "DTC P0750

to "D2 " when depressing

5. Shift solenoid valve A

SHIFT SOLENOID

pedal.

VALVE A"

AT-182, "DTC P0755

6. Shift solenoid valve B

SHIFT SOLENOID

VALVE B"

7. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

8. Brake band

AT-347, "Components"

OFF vehicle

9. High clutch 10. Forward clutch

AT-317, "HIGH CLUTCH"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"

Revision: December 2006

AT-99

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Condition

Diagnostic Item

1. Fluid level

2. Throttle position sensor [accelerator pedal position (APP) sensor]

Races extremely fast or slips in changing from "D3 " to "D2 " when depressing pedal.

ON vehicle

3. Line pressure test
4. Line pressure solenoid valve
5. Control valve assembly

Slips/Will Not Engage

6. Shift solenoid valve B

OFF vehicle

7. Brake band 8. High clutch

1. Fluid level

2. Throttle position sensor [accelerator pedal position (APP) sensor]

3. Line pressure test

ON vehicle
Races extremely fast or slips in changing from "D4 " or "D3 " to "D1 " when depressing pedal.

4. Line pressure solenoid valve
5. Shift solenoid valve A

6. Shift solenoid valve B

7. Control valve assembly

OFF vehicle

8. Forward clutch
9. Forward one-way clutch 10. Low one-way clutch

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"
AT-347, "Components"
AT-317, "HIGH CLUTCH"
AT-63, "FLUID LEVEL CHECK"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-336, "Components"
AT-266, "Components"

Revision: December 2006

AT-100

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

2. Control cable adjustment

AT-261, "Control Cable Adjustment"

ON vehicle

3. Line pressure test

AT-67, "Line Pressure

Test"

Slips/Will Not Vehicle will not run in any

Engage

position.

4. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

5. Oil pump 6. High clutch

AT-291, "OIL PUMP"

AT-317, "HIGH

CLUTCH"

7. Brake band

AT-347, "Components"

OFF vehicle

8. Low & reverse brake

AT-331, "LOW & REVERSE BRAKE"

9. Torque converter

AT-266, "Components"

10. Parking components

AT-266, "Components"

Not Used

Transmission noise in "D", "2", "1" and "R" positions.

ON vehicle OFF vehicle

1. Fluid level 2. Torque converter

AT-63, "FLUID LEVEL
CHECK"
H
AT-266, "Components"

AT-186, "DTC P1705

1. Throttle position sensor [accelerator pedal position

THROTTLE POSITION SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

Failure to change from "D3

TION (APP) SENSOR]"

No Down Shift

" to "22 " when changing lever into "2" position. AT-246, "18. A/T Does Not Shift: D3 22 , When

OFF vehicle

2. Shift solenoid valve B

AT-182, "DTC P0755 SHIFT SOLENOID
VALVE B"

Selector Lever "D" "2" Position"

3. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

4. Control cable adjustment

AT-261, "Control Cable Adjustment"

5. Brake band

AT-347, "Components"

AT-261, "Park/Neutral

Improper Shift Gear change from "22 " to

Timing

"23 " in "2" position.

ON vehicle

1. PNP switch adjustment

Position (PNP) Switch Adjustment"

2. Control cable adjustment

AT-261, "Control Cable Adjustment"

Revision: December 2006

AT-101

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Condition

Not Used

Engine brake does not operate in "1" position. AT-247, "19. A/T Does Not Shift: 22 11 , When Selector Lever "2" "1" Position"

ON vehicle

Not Used

Engine brake does not operate in "1" position. AT-247, "19. A/T Does Not Shift: 22 11 , When Selector Lever "2" "1" Position"

ON vehicle OFF vehicle

Improper Shift Gear change from "11 " to

Timing

"12 " in "1" position.

ON vehicle

No Down Shift

ON vehicle
Does not change from "12 " to "11 " in "1" position.

OFF vehicle

Shift Shock

Large shock changing from "12 " to "11 " in "1" position.

ON vehicle OFF vehicle

Diagnostic Item
1. PNP switch adjustment 2. Control cable adjustment
3. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR
4. Control valve assembly 5. Overrun clutch solenoid valve 6. Overrun clutch 7. Low & reverse brake 1. PNP switch adjustment 2. Control cable adjustment
1. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR
2. Shift solenoid valve A 3. Control valve assembly 4. Low one-way clutch 5. Brake band 6. Low & reverse brake 1. Control valve assembly 2. Low & reverse brake

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-261, "Park/Neutral Position (PNP) Switch
Adjustment"
AT-261, "Control Cable Adjustment"
AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-331, "LOW & REVERSE BRAKE"
AT-261, "Park/Neutral Position (PNP) Switch
Adjustment"
AT-261, "Control Cable Adjustment"
AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"
AT-178, "DTC P0750 SHIFT SOLENOID
VALVE A"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-266, "Components"
AT-347, "Components"
AT-331, "LOW & REVERSE BRAKE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-331, "LOW & REVERSE BRAKE"

Revision: December 2006

AT-102

2006 Sentra

Items Not used

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

1. Fluid level

AT-63, "FLUID LEVEL

CHECK"

2. Engine idling rpm

EC-78, "Idle Speed and Ignition Timing Check"

AT-186, "DTC P1705

3. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

ON vehicle

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

Transaxle overheats.

4. Line pressure test

AT-67, "Line Pressure Test"
E

5. Line pressure solenoid valve

AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"

6. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

7. Oil pump 8. Reverse clutch

AT-291, "OIL PUMP"
G
AT-312, "REVERSE
CLUTCH"

9. High clutch

AT-317, "HIGH

CLUTCH"

10. Brake band

AT-347, "Components"

OFF vehicle 11. Forward clutch

AT-323, "FORWARD CLUTCH AND OVER-

RUN CLUTCH"

12. Overrun clutch

AT-323, "FORWARD

CLUTCH AND OVER-

RUN CLUTCH"

13. Low & reverse brake

AT-331, "LOW & REVERSE BRAKE"

14. Torque converter

AT-266, "Components"

Revision: December 2006

AT-103

2006 Sentra

Items Not Used

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Condition

Diagnostic Item

ON vehicle 1. Fluid level

2. Reverse clutch

ATF shoots out during operation. White smoke emitted from exhaust pipe during operation.

OFF vehicle

3. High clutch 4. Brake band 5. Forward clutch

6. Overrun clutch

Offensive smell at fluid charging pipe.

7. Low & reverse brake

ON vehicle

1. Fluid level 2. Torque converter 3. Oil pump 4. Reverse clutch

OFF vehicle

5. High clutch 6. Brake band 7. Forward clutch

8. Overrun clutch 9. Low & reverse brake

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-312, "REVERSE CLUTCH"
AT-317, "HIGH CLUTCH"
AT-347, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-331, "LOW & REVERSE BRAKE"
AT-63, "FLUID LEVEL CHECK"
AT-266, "Components"
AT-291, "OIL PUMP"
AT-312, "REVERSE CLUTCH"
AT-317, "HIGH CLUTCH"
AT-347, "Components"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"
AT-331, "LOW & REVERSE BRAKE"

Revision: December 2006

AT-104

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

AT-125, "DTC P0720

VEHICLE SPEED SEN-

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR

VEHICLE SPEED SEN-

SOR·MTR"

No Lockup

AT-130, "DTC P0725

Engagement/ Torque converter is not

ON vehicle 3. Engine speed signal

ENGINE SPEED SIG-

TCC Inopera- locked up.

NAL"

tive

AT-119, "DTC P0710 A/

4. A/T fluid temperature sen-

T FLUID TEMPERA-

sor

TURE SENSOR CIR-

CUIT"

5. Line pressure test

AT-67, "Line Pressure

Test"

AT-158, "DTC P0740

6. Torque converter clutch

TORQUE CON-

solenoid valve

VERTER CLUTCH

SOLENOID VALVE"

7. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

OFF vehicle 8. Torque converter

AT-266, "Components"

Revision: December 2006

AT-105

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Items

Symptom

Condition

Torque converter clutch piston slip.

ON vehicle

No Lockup Engagement/ TCC Inoperative

OFF vehicle

Lock-up point is extremely high or low.

ON vehicle

Diagnostic Item
1. Fluid level
2. Throttle position sensor [accelerator pedal position (APP) sensor]
3. Line pressure test
4. Torque converter clutch solenoid valve
5. Line pressure solenoid valve 6. Control valve assembly 7. Torque converter 1. Throttle position sensor [accelerator pedal position (APP) sensor]
2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR
3. Torque converter clutch solenoid valve
4. Control valve assembly

Reference Page
QG18DE QG18DE (SULEV) (ULEV)
AT-63, "FLUID LEVEL CHECK"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-67, "Line Pressure Test"
AT-158, "DTC P0740 TORQUE CON-
VERTER CLUTCH SOLENOID VALVE"
AT-172, "DTC P0745 LINE PRESSURE SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"
AT-266, "Components"
AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERA-
TOR PEDAL POSITION (APP) SENSOR]"
AT-125, "DTC P0720 VEHICLE SPEED SEN-
SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-
SOR·MTR"
AT-158, "DTC P0740 TORQUE CON-
VERTER CLUTCH SOLENOID VALVE"
AT-296, "CONTROL VALVE ASSEMBLY"

Revision: December 2006

AT-106

2006 Sentra

Items No Up Shift

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Symptom

Reference Page

Condition

Diagnostic Item

QG18DE QG18DE

(SULEV) (ULEV)

AT-186, "DTC P1705

1. Throttle position sensor

THROTTLE POSITION

[accelerator pedal position

SENSOR [ACCELERA-

(APP) sensor]

TOR PEDAL POSI-

TION (APP) SENSOR]"

AT-261, "Park/Neutral

2. PNP switch adjustment

Position (PNP) Switch

Adjustment"
D
AT-248, "21. TCM Self-

diagnosis Does Not

Activate {Park/neutral

Position (PNP), Over-

3. Overdrive control switch

drive Control and Throttle Position Sensor

[Accelerator Pedal Posi-

tion (APP) Sensor]

Switches Circuit

Checks}"

AT-125, "DTC P0720

VEHICLE SPEED SEN-

ON vehicle
A/T does not shift to "D4 " when driving with overdrive control switch "ON".

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

SOR·A/T (REVOLUTION SENSOR)", AT-
202, "DTC VHCL SPEED SEN·MTR

VEHICLE SPEED SEN-

SOR·MTR"
I
AT-178, "DTC P0750

5. Shift solenoid valve A

SHIFT SOLENOID

VALVE A"

6. Overrun clutch solenoid valve

AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE"

7. Control valve assembly

AT-296, "CONTROL VALVE ASSEMBLY"

AT-119, "DTC P0710 A/

8. A/T fluid temperature sen-

T FLUID TEMPERA-

sor

TURE SENSOR CIR-

CUIT"

9. Line pressure test

AT-67, "Line Pressure Test"

10. Brake band

AT-347, "Components"

OFF vehicle 11. Overrun clutch

AT-323, "FORWARD CLUTCH AND OVER-
RUN CLUTCH"

Revision: December 2006

AT-107

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION
TCM Terminals and Reference Value
PREPARATION G Measure voltage between each terminal and terminal 25 or 48
by following "TCM INSPECTION TABLE".

[RE4F03B]
ECS005WN

SAT216J
TCM HARNESS CONNECTOR TERMINAL LAYOUT

TCM INSPECTION TABLE (Data are reference values.)

Terminal No.

Wire color

Item

R/W

Line pressure solenoid valve

Line pressure

P/B

solenoid valve (with dropping

resistor)

Torque converter

Y/G

clutch solenoid

valve

CAN-H CAN-L

BR/R Power source

WAT158

Condition
When releasing accelerator pedal after warming up engine. When depressing accelerator pedal fully after warming up engine. When releasing accelerator pedal after warming up engine. When depressing accelerator pedal fully after warming up engine. When A/T performs lock-up.

Judgement standard
(Approx.) 1.5 - 3.0V
0V
4 - 14V
0V 8 - 15V

When A/T does not perform lock-up. 0V

When turning ignition switch to "ON". Battery voltage

When turning ignition switch to "OFF".

Revision: December 2006

AT-108

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Terminal No.

Wire color

Item

L/W

Shift solenoid valve A

L/Y

Shift solenoid valve B

Condition

Judgement stan-

dard

(Approx.)

When shift solenoid valve A oper-

ates.

Battery voltage

(When driving in "D1 " or "D4 ".)

When shift solenoid valve A does not

operate.

(When driving in "D2 " or "D3 ".)

When shift solenoid valve B oper-

ates.

Battery voltage

(When driving in "D1 " or "D2 ".)

When shift solenoid valve B does not

operate.

(When driving in "D3 " or "D4 ".)

When turning ignition switch to "ON". Battery voltage

OBD-II

When turning ignition switch to "OFF".

L/B

Overrun clutch solenoid valve

Ground

BR/Y

PNP switch "1" position

B/R

PNP switch "2" position

When overrun clutch solenoid valve operates.

Battery voltage

When overrun clutch solenoid valve does not operate.

When setting selector lever to "1" position.

Battery voltage

When setting selector lever to other positions.

When setting selector lever to "2" position.

Battery voltage

When setting selector lever to other positions.

When turning ignition switch to "OFF".

Battery voltage

R/B

Power source (Memory back-up)

When turning ignition switch to "ON". Battery voltage

Revolution sensor

When moving at 20 km/h (12 MPH), use the CONSULT-II pulse frequency measuring function.*1 CAUTION: Connect the diagnosis data link cable to the vehicle diagnosis connector. *1: A circuit tester cannot be used to test this item.

150Hz

When vehicle parks.

Under 1.3V or over 4.5V

Revision: December 2006

AT-109

2006 Sentra

TROUBLE DIAGNOSIS -- GENERAL DESCRIPTION

[RE4F03B]

Terminal No.

Wire color

Item

30 ** 31 **
32

G/B GY/L
R

Data link connector
Data link connector
Throttle position sensor (Power source)

W/G

PNP switch "D" position

G/Y

PNP switch "R" position

PNP switch "N" or "P" position

Condition --

Judgement standard
(Approx.)
--

When turning ignition switch to "ON". 4.5 - 5.5V

When turning ignition switch to "OFF".

When setting selector lever to "D" position.

Battery voltage

When setting selector lever to other positions.

When setting selector lever to "R" position.

Battery voltage

When setting selector lever to other positions.

When setting selector lever to "N" or "P" position.

Battery voltage

When setting selector lever to other positions.

39 *

L/OR

Engine speed signal

Refer to EC-107, "ECM INSPECTION TABLE" .

PU/R

Vehicle speed sensor

41 *

Throttle position sensor

Throttle position

B/W

sensor

(Ground)

A/T fluid temperature sensor

Ground

* : This terminal is connected to the ECM. ** : These terminals are connected to the Data link connector.

When moving vehicle at 2 to 3 km/h (1 to 2 MPH) for 1 m (3 ft) or more.

Voltage varies between less than 1V and more than 4.5V

When depressing accelerator pedal slowly after warming up engine. (Voltage rises gradually in response to throttle position.)

Fully-closed throttle: 0.5 - 0.7V Fully-open throttle: 4V

When ATF temperature is 20°C (68°F).
When ATF temperature is 80°C (176°F).
--

1.5V 0.5V 0V

Revision: December 2006

AT-110

2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY
TROUBLE DIAGNOSIS FOR POWER SUPPLY Wiring Diagram -- AT -- MAIN

[RE4F03B]
PFP:00000
A
ECS005WO
B AT
D E
F G H I J K L M

Revision: December 2006

AT-111

BCWA0234E
2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY

[RE4F03B]

TERMINALS AND REFERENCE VALUE FOR TRANSMISSION CONTROL MODULE

TERMINAL

WIRE COLOR

ITEM

CONDITION

BR/R POWER SOURCE

WHEN TURNING IGNITION SWITCH TO "ON" WHEN TURNING IGNITION SWITCH TO "OFF"

BR/R POWER SOURCE

WHEN TURNING IGNITION SWITCH TO "ON" WHEN TURNING IGNITION SWITCH TO "OFF"

GROUND

R/B

POWER SOURCE (MEMORY WHEN TURNING IGNITION SWITCH TO "OFF"

BACKUP)

WHEN TURNING IGNITION SWITCH TO "ON"

GROUND

DATA (DC) (Approx.) BATTERY VOLTAGE
0V BATTERY VOLTAGE
0V 0V BATTERY VOLTAGE BATTERY VOLTAGE 0V

Diagnostic Procedure

ECS005WP

1. CHECK TCM POWER SOURCE STEP 1
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.

OK or NG OK >> GO TO 2. NG >> GO TO 3.
2. CHECK TCM POWER SOURCE STEP 2

SAT611J

1. Turn ignition switch to OFF position. 2. Check voltage between TCM terminal 28 and ground.

OK or NG OK >> GO TO 4. NG >> GO TO 3.
Revision: December 2006

AT-112

LAT253
2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY

[RE4F03B]

3. DETECT MALFUNCTIONING ITEM A

G Check the following items:

Harness for short or open between ignition switch and TCM terminals 10, 19 and 28 (Main harness)

Fuse

Ignition switch

Refer to PG-3, "POWER SUPPLY ROUTING" .

OK or NG

OK >> GO TO 4.
NG >> Repair or replace damaged parts. D
4. CHECK TCM GROUND CIRCUIT

1. Turn ignition switch to OFF position.

2. Disconnect TCM harness connector.

3. Check continuity between TCM terminals 25, 48 and ground. Refer to AT-111, "Wiring Diagram -- AT --

MAIN" .

Continuity should exist.

If OK, check harness for short to ground and short to power.

OK or NG

OK >> INSPECTION END NG >> Repair open circuit or short to ground or short to power in harness connectors.
H

Revision: December 2006

AT-113

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH Description
G The PNP switch assembly includes a transmission range switch. G The transmission range switch detects the selector lever posi-
tion and sends a signal to the TCM.

[RE4F03B]
PFP:32006
ECS005WQ

ON BOARD DIAGNOSIS LOGIC

SAT088JA

Diagnostic trouble code : PNP SW/CIRC : P0705

Malfunction is detected when ...
TCM does not receive the correct voltage signal from the switch based on the gear position.

Check items (Possible cause)
G Harness or connectors (The PNP switch circuit is open or shorted.)
G PNP switch

With CONSULT-II 1. Turn ignition switch "ON".

BCIA0030E

2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
3. Start engine and maintain the following conditions for at least 5 consecutive seconds. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: More than 1.3V Selector lever: D position (OD "ON" or "OFF")
With GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-114

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH Wiring Diagram -- AT -- PNP/SW

[RE4F03B]
ECS005WR
A

Revision: December 2006

AT-115

WCWA0117E
2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
[RE4F03B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SETTING SELECTOR LEVER TO "1" POSITION

BATTERY VOLTAGE

BR/Y

PNP SWITCH "1" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "2" POSITION

BATTERY VOLTAGE

B/R

PNP SWITCH "2" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "D" POSITION

BATTERY VOLTAGE

W/G

PNP SWITCH "D" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "R" POSITION

BATTERY VOLTAGE

G/Y

PNP SWITCH "R" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

PNP SWITCH "N" OR "P" POSITION

WHEN SETTING SELECTOR LEVER TO "N" OR "P" POSITION
WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

BATTERY VOLTAGE 0V

Diagnostic Procedure

ECS005WS

1. CHECK PNP SWITCH CIRCUIT (WITH CONSULT-II)

With CONSULT-II

1. Turn ignition switch to "ON" position. (Do not start engine.)

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out "P/N", "R", "D", "2" and "1" position switches moving selector lever to each position. Check the signal of the selector lever position is indicated properly.

OK or NG

OK >> GO TO 3. NG >> Check the following items:

G PNP switch Refer toAT-118, "Component Inspection" .

G Harness for short or open between ignition switch and PNP switch (Main harness)

G Harness for short or open between PNP switch and TCM (Main harness)

SAT701J

G Ignition switch and fuse Refer to PG-3, "POWER SUPPLY ROUTING" .

Revision: December 2006

AT-116

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH
[RE4F03B]

2. CHECK PNP SWITCH CIRCUIT (WITHOUT CONSULT-II) A

Without CONSULT-II

1. Turn ignition switch to "ON" position.

(Do not start engine.)

2. Check voltage between TCM terminals 26, 27, 34, 35, 36 and ground while moving selector lever through

each position. AT

Lever position

Terminal No.

P, N

F Voltage

: Battery voltage

: 0V

OK or NG

OK >> GO TO 3. NG >> Check the following items:

G PNP switch

Refer to AT-118, "Component Inspection" .

G Harness for short or open between ignition switch and

PNP switch (Main harness)

G Harness for short or open between PNP switch and

TCM (Main harness)

G Ignition switch and fuse
Refer to PG-3, "POWER SUPPLY ROUTING" . K

3. CHECK DTC

SAT425J
M

Perform AT-114, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-117

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH

Component Inspection
PARK/NEUTRAL POSITION SWITCH
1. Check continuity between terminals 1 and 2 and between terminals 3 and 4, 5, 6, 7, 8, 9 while moving manual shaft through each position.

Lever position P R N D 2 1

3 -- 7 3 -- 8 3 -- 9 3 -- 6 3 -- 5 3 -- 4

Terminal No.

1 -- 2 1 -- 2

[RE4F03B]
ECS005WT

2. If NG, check again with control cable disconnected from manual shaft of A/T assembly. Refer to step 1.
3. If OK on step 2, adjust control cable. Refer to AT-261, "Control Cable Adjustment" .
4. If NG on step 2, remove PNP switch from A/T and check continuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to AT-261, "Park/Neutral Position (PNP) Switch Adjustment" .
6. If NG on step 4, replace PNP switch.

WAT159 SAT089JA

Revision: December 2006

AT-118

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT Description

PFP:31940
A
ECS005WU

The A/T fluid temperature sensor detects the A/T fluid temperature

and sends a signal to the TCM.

D
WAT237
E

H
SAT021J

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification

(Approx.)

A/T fluid temperature sensor

Cold [20°C (68°F)]
Hot [80°C (176°F)]

1.5V
0.5V

2.5 k

0.3 k

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code : ATF TEMP SEN/CIRC : P0710

Malfunction is detected when...

Check items (Possible cause)

G Harness or connectors

TCM receives an excessively low or high

(The sensor circuit is open or shorted.)

voltage from the sensor.

G A/T fluid temperature sensor

BCIA0030E

Revision: December 2006

AT-119

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]

With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
2. Start engine and maintain the following conditions for at least 10 minutes (Total). (It is not necessary to maintain continuously.) CMPS·RPM (REF): 450 rpm or more VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: More than 1.2V Selector lever: D position (OD "ON")
With GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-120

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]

Wiring Diagram -- AT -- FTS

ECS005WV
A

Revision: December 2006

AT-121

BCWA0245E
2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

B/W

SENSOR (GROUND)

A/T FLUID TEMPERATURE WHEN ATF TEMPERATURE IS 20°C (68°F)

SENSOR

WHEN ATF TEMPERATURE IS 80°C (176°F)

1.5V 0.5V

Diagnostic Procedure

ECS005WW

1. INSPECTION START
Do you have CONSULT-II? Yes or No
Yes >> GO TO 2. No >> GO TO 3.
2. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)

With CONSULT-II 1. Start engine. 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "FLUID TEMP SE".

Voltage Cold [20°C (68°F)] Hot [80°C (176°F)]
OK or NG OK >> GO TO 4. NG >> GO TO 5.

: Approximately 1.5V 0.5V

SAT614J

Revision: December 2006

AT-122

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]
3. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II) A Without CONSULT-II 1. Start engine.
B 2. Check voltage between TCM terminal 47 and ground while warming up A/T.
AT

Voltage

Cold [20°C (68°F)] Hot [80°C (176°F)]

: Approximately 1.5V 0.5V

3. Turn ignition switch to "OFF" position. 4. Disconnect TCM harness connector.
5. Check continuity between TCM harness connector F57 terminal 42 (B/W) and ground.

Continuity should exist.

If OK, check harness for short to ground and short to power.
OK or NG OK >> GO TO 4. NG >> GO TO 5.

E
SAT937J
F G H
I J

4. CHECK DTC

WCIA0152E
K

Perform AT-119, "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .

OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-123

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F03B]
5. CHECK A/T FLUID TEMPERATURE SENSOR WITH TERMINAL CORD ASSEMBLY
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminals 6 and 7 when A/T is cold.

4. Reinstall any part removed.
OK or NG
OK (With CONSULT-II)>> GO TO 2. OK (Without CONSULT-II)>> GO TO 3. NG >> 1. Remove oil pan.
2. Check the following items:
A/T fluid temperature sensor Refer to AT-124, "Component Inspection" .
Harness of terminal cord assembly for short or open
Component Inspection
A/T FLUID TEMPERATURE SENSOR
G For removal, refer to AT-258, "Control Valve Assembly and Accumulators" .
G Check resistance between two terminals while changing temperature as shown at left.

Temperature °C (°F)
20 (68) 80 (176)

Resistance (Approx.)
2.5 k 0.3 k

LAT160 ECS005WX
SAT298F

Revision: December 2006

AT-124

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F03B]

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR) Description

PFP:32702
A
ECS005WY

The revolution sensor detects the revolution of the idler gear parking

pawl lock gear and emits a pulse signal. The pulse signal is sent to

the TCM which converts it into vehicle speed.

ON BOARD DIAGNOSIS LOGIC

SAT357H
E

Diagnostic trouble code

Malfunction is detected when...

Check items (Possible cause)

: VEH SPD SEN/CIR AT : P0720

G Harness or connectors

TCM does not receive the proper voltage

(The sensor circuit is open or shorted.)

signal from the sensor.

G Revolution sensor

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: G Always drive vehicle at a safe speed.
G Be careful not to rev engine into the red zone on the tachometer.
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Drive vehicle and check for an increase of "VHCL/S SE·MTR" value increase. If the check result is NG, go to AT-125, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . If the check result is OK, go to following step.
3. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
4. Start engine and maintain the following conditions for at least 5 consecutive seconds. VHCL SPEED SE: 30 km/h (19 MPH) or more THRTL POS SEN: More than 1.2V Selector lever: D position (OD "ON") Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test. If the check result is NG, go to AT-128, "Diagnostic Procedure" .

G H I J
BCIA0030E
K L M
BCIA0031E

Revision: December 2006

AT-125

BCIA0030E
2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F03B]

If the check result is OK, go to following step.
5. Maintain the following conditions for at least 5 consecutive seconds. CMPS·RPM (REF): 3,500 rpm or more THRTL POS SEN: More than 1.2V Selector lever: D position (OD "ON") Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving conditions required for this test.

With GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-126

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F03B]

Wiring Diagram -- AT -- VSSA/T

ECS005WZ
A

Revision: December 2006

AT-127

BCWA0235E
2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN TURNING IGNITION SWITCH TO "ON"

BATTERY VOLTAGE

BR/R

POWER SOURCE

WHEN TURNING IGNITION SWITCH TO "OFF" 0V

WHEN MOVING AT 20 KM/H (12 MPH). USE

REVOLUTION SENSOR CONSULT-II PULSE FREQUENCY MEASURING 150 Hz

FUNCTION

B/W

THROTTLE POSITION SENSOR (GROUND)

Diagnostic Procedure

ECS005X0

1. CHECK INPUT SIGNAL (WITH CONSULT-II)
With CONSULT-II 1. Start engine. 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "VHCL/S SE·A/T" while driving.
Check the value changes according to driving speed.

OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. CHECK REVOLUTION SENSOR (WITH CONSULT-II)

SAT614J

With CONSULT-II 1. Start engine.

WAT402
Check harness for short or open between TCM, ECM and revolution sensor. Refer to AT-127, "Wiring Diagram -- AT -- VSSA/T" .
Check harness for short or open between ignition switch and revolution sensor. OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-128

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F03B]

3. CHECK DTC A

Perform AT-125, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .

OK or NG

OK >> INSPECTION END

NG >> GO TO 4.

4. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-129

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL

[RE4F03B]

DTC P0725 ENGINE SPEED SIGNAL

PFP:24825

Description

ECS005X1

The engine speed signal is sent from the ECM to the TCM.

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check item (Possible cause)

: ENGINE SPEED SIG : P0725

TCM does not receive the proper voltage G Harness or connectors

signal from ECM.

(The sensor circuit is open or shorted.)

With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
2. Start engine and maintain the following conditions for at least 10 consecutive seconds. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: More than 1.2V Selector lever: D position (OD "ON")

BCIA0030E

With GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-130

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL Wiring Diagram -- AT -- ENGSS

[RE4F03B]
ECS005X2
A B AT D E F G H I J K L M

Revision: December 2006

AT-131

WCWA0119E
2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

L/OR

ENGINE SPEED SIGNAL

REFER TO ECM TABLE

Diagnostic Procedure

[RE4F03B]
DATA (DC) --
ECS005X3

1. CHECK DTC WITH ECM
Perform diagnostic test mode II (self-diagnostic results) for engine control. Check ignition signal circuit condition. OK or NG
OK (With CONSULT-II)>> GO TO 2. OK (Without CONSULT-II)>> GO TO 3. NG >> Check ignition signal circuit for engine control. Refer to EC-29, "INPUT/OUTPUT SIGNAL
CHART" .
2. CHECK INPUT SIGNAL (WITH CONSULT-II)

With CONSULT-II
1. Start engine. 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "ENGINE SPEED".
Check engine speed changes according to throttle position.
OK or NG OK >> GO TO 4. NG >> Check the following items: G Harness for short or open between TCM and ECM
G Resistor and ignition coil Refer to EC-29, "SYSTEM DESCRIPTION" .

SAT645J

Revision: December 2006

AT-132

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL
3. CHECK INPUT SIGNAL (WITHOUT CONSULT-II)
Without CONSULT-II 1. Start engine. 2. Check voltage between TCM terminal 39 and ground.

[RE4F03B]
A B AT

Voltage (Idle speed)

: Refer to AT-108, "TCM Terminals and Reference Value" .

OK or NG
OK >> GO TO 4. NG >> Check the following items:
G Harness for short or open between TCM and ECM
G Resistor and ignition coil Refer to EC-29, "SYSTEM DESCRIPTION" .

4. CHECK DTC

LAT162
F G H
I

Perform AT-130, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . J
OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-133

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

[RE4F03B]

DTC P0731 A/T 1ST GEAR FUNCTION

PFP:31940

Description

ECS005X4

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis malfunction.
G This malfunction is detected when the A/T does not shift into first gear position as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

ON BOARD DIAGNOSTIC LOGIC
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes If the actual gear position is higher than the position (1st) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction. This malfunction will be caused when either shift solenoid valve A is stuck open or shift solenoid valve B is stuck open.

Gear position supposed by TCM

In case of gear position with no malfunctions

In case of gear position with shift solenoid valve A stuck open

In case of gear position with shift solenoid valve B stuck open

*: P0731 is detected.

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: A/T 1ST GR FNCTN : P0731

A/T cannot be shifted to the 1st gear position even if electrical circuit is good.

G Shift solenoid valve A G Shift solenoid valve B G Each clutch G Hydraulic control circuit

BCIA0030E

Revision: December 2006

AT-134

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

[RE4F03B]

After the repair, perform the following procedure to confirm the mal-

function is eliminated.

With CONSULT-II

1. Start engine and select "DATA MONITOR" mode for "A/T" with

CONSULT-II.

2. Make sure that output voltage of A/T fluid temperature sensor is within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).
3. Select "1ST GR FNCTN P0731" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

AT
BCIA0031E
D

4. Accelerate vehicle to 20 to 25 km/h (12 to 16 MPH) under the

following condition and release the accelerator pedal com-

pletely.

THROTTLE POSI: Less than 1.0/8 (at all times during step 4)

Selector lever: D position (OD "ON")

Check that "GEAR" shows "2" after releasing pedal.

5. Depress accelerator pedal to WOT (more than 7.0/8 of "THROT-

TLE POSI") quickly from a speed of 20 to 25 km/h (12 to 16

MPH) until "TESTING" changes to "STOP VEHICLE" or "COM-

SAT021J

PLETED". (It will take approximately 3 seconds.)

If the check result NG appears on CONSULT-II screen, go to AT-137, "Diagnostic Procedure" .

If "STOP VEHICLE" appears on CONSULT-II screen, go to the following step.

Check that "GEAR" shows "1" when depressing accelerator pedal to WOT.

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS" for I "ENGINE". In case a 1st trip DTC other than P0731 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".

6. Stop vehicle.

7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists

1 2 3 4

Malfunction for P0731

2 2 3 3

exists.

4 3 3 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "Diagnostic Procedure".)

Refer to AT-137, "Diagnostic Procedure" .

Refer to AT-384, "Shift Schedule" .

With GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-135

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION Wiring Diagram -- AT -- 1ST

[RE4F03B]
ECS005X5

Revision: December 2006

AT-136

WAT118
WAT343
2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION Diagnostic Procedure
1. CHECK SHIFT SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check shift solenoid valve operation. Shift solenoid valve A Shift solenoid valve B Refer to AT-138, "Component Inspection" . OK or NG
OK >> GO TO 2. NG >> Repair or replace shift solenoid valve assembly.
2. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" . 2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 3. NG >> Repair control valve assembly.

[RE4F03B]
ECS005X6
A B AT D E F G H I J
WAT163
K L M

3. CHECK DTC

Perform AT-134, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .
OK or NG OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

Revision: December 2006

AT-137

SAT367H
2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

Component Inspection
SHIFT SOLENOID VALVE A AND B G Refer to AT-258, "Control Valve Assembly and Accumulators" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve A Shift solenoid valve B

Terminal No.
2 Ground
1

Resistance (Approx.) 20 - 30
5 - 20

[RE4F03B]
ECS005X7

WAT213
Operation Check G Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.

Revision: December 2006

AT-138

WAT163
2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION

[RE4F03B]

DTC P0732 A/T 2ND GEAR FUNCTION Description

PFP:31940
A
ECS005X8

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis

malfunction.

G This malfunction is detected when the A/T does not shift into second gear position as instructed by the

TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction

such as control valve sticking, improper solenoid valve operation, etc.

Gear position

Shift solenoid valve A Shift solenoid valve B

ON (Closed) ON (Closed)

OFF (Open) ON (Closed)

OFF (Open) OFF (Open)

ON (Closed)
D
OFF (Open)

ON BOARD DIAGNOSTIC LOGIC This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as E

follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from ECM

C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than G normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

This malfunction will be caused when shift solenoid valve B is stuck open.

Gear position supposed by TCM In case of gear position with no malfunctions

In case of gear position with shift solenoid valve B stuck open *: P0732 is detected.

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: A/T 2ND GR FNCTN

A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.

G Shift solenoid valve B G Each clutch

: P0732

G Hydraulic control circuit

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION:

G Always drive vehicle at a safe speed.

G Be careful not to rev engine into the red zone on the

tachometer.

NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. TESTING CONDITION: Always drive vehicle on a level road to improve the accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

M
BCIA0030E

Revision: December 2006

AT-139

BCIA0031E
2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION

[RE4F03B]

If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).

3. Select "2ND GR FNCTN P0732" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

4. Accelerate vehicle to 50 to 55 km/h (31 to 34 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 1.0/8 (at all times during step 4) Selector lever: D position (OD "ON")

Check that "GEAR" shows "3" or "4" after releasing pedal.

5. Depress accelerator pedal to WOT (more than 7.0/8 of "THROT-

TLE POSI") quickly from a speed of 50 to 55 km/h (31 to 34

MPH) until "TESTING" changes to "STOP VEHICLE" or "COM-

SAT021J

PLETED". (It will take approximately 3 seconds.)

If the check result NG appears on CONSULT-II screen, go to AT-142, "Diagnostic Procedure" .

If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.

Check that "GEAR" shows "2" when depressing accelerator pedal to WOT.

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS" for "ENGINE". In case a 1st trip DTC other than P0732 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".

6. Stop vehicle.

7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists

1 2 3 4

Malfunction for P0732 exists.

4 3 3 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".) Refer to AT-142, "Diagnostic Procedure" . Refer to AT-384, "Shift Schedule" .

With GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-140

2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION Wiring Diagram -- AT -- 2ND

[RE4F03B]
ECS005X9
A B AT D E F G H I J K L M
WAT119

Revision: December 2006

AT-141

WAT344
2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION
Diagnostic Procedure
1. CHECK SHIFT SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check shift solenoid valve operation. Shift solenoid valve B Refer to AT-143, "Component Inspection" . OK or NG
OK >> GO TO 2. NG >> Repair or replace shift solenoid valve assembly.

[RE4F03B]
ECS005XA

WAT164
2. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" . 2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 3. NG >> Repair control valve assembly.

3. CHECK DTC
Perform AT-139, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

SAT367H

Revision: December 2006

AT-142

2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION

Component Inspection
SHIFT SOLENOID VALVE B G Refer to AT-258, "Control Valve Assembly and Accumulators" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve B

Terminal No.

Ground

Resistance (Approx.)
5 - 20

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

[RE4F03B]
ECS005XB
A B AT D E F G H
WAT165
I J K L M

Revision: December 2006

AT-143

WAT164
2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION

[RE4F03B]

DTC P0733 A/T 3RD GEAR FUNCTION

PFP:31940

Description

ECS005XC

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis malfunction.
G This malfunction is detected when the A/T does not shift into third gear position as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, malfunctioning servo piston or brake band, etc.

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

ON BOARD DIAGNOSTIC LOGIC
This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes If the actual gear position is higher than the position (3rd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction. This malfunction will be caused when shift solenoid valve A is stuck closed.

Gear position supposed by TCM

In case of gear position with no malfunctions

In case of gear position with shift solenoid valve A stuck closed

*: P0733 is detected.

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: A/T 3RD GR FNCTN : P0733

A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.

G Shift solenoid valve A G Each clutch G Hydraulic control circuit

BCIA0030E

Revision: December 2006

AT-144

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION

[RE4F03B]

After the repair, perform the following procedure to confirm the mal-

function is eliminated.

With CONSULT-II

1. Start engine and select "DATA MONITOR" mode for "A/T" with

CONSULT-II.

2. Make sure that output voltage of A/T fluid temperature sensor is within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).
3. Select "3RD GR FNCTN P0733" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

AT
BCIA0031E
D

4. Accelerate vehicle to 70 to 85 km/h (43 to 53 MPH) under the

following condition and release the accelerator pedal com-

pletely.

THROTTLE POSI: Less than 1.0/8 (at all times during step 4)

Selector lever: D position (OD "ON")

Check that "GEAR" shows "4" after releasing pedal.

5. Depress accelerator pedal steadily with 3.5/8 - 4.5/8 of "THROT-

TLE POSI" from a speed of 70 to 85 km/h (43 to 53 MPH) until

"TESTING" changes to "STOP VEHICLE" or "COMPLETED". (It

SAT021J

will take approximately 3 seconds.)

If the check result NG appears on CONSULT-II screen, go to AT-147, "Diagnostic Procedure" .

If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.

Check that "GEAR" shows "3" when depressing accelerator pedal with 3.5/8 - 4.5/8 of "THROTTLE

POSI".

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS" for

"ENGINE". In case a 1st trip DTC other than P0733 is shown, refer to applicable "TROUBLE DIAG-

NOSIS FOR DTC".

6. Stop vehicle.

7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists.

1 2 3 4

Malfunction for P0733 exists.

1 1 4 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".)

Refer to AT-147, "Diagnostic Procedure" . Refer to AT-384, "Shift Schedule" .

With GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-145

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION Wiring Diagram -- AT -- 3RD

[RE4F03B]
ECS005XD

Revision: December 2006

AT-146

WAT120
WAT345
2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION Diagnostic Procedure
1. CHECK SHIFT SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check shift solenoid valve operation. Shift solenoid valve A
Refer to "Component Inspection". OK or NG
OK >> GO TO 2. NG >> Repair or replace shift solenoid valve assembly.
2. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" . 2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 3. NG >> Repair control valve assembly.

[RE4F03B]
ECS005XE
A B AT D E F G H I
WAT166
J K L M

3. CHECK DTC
Perform AT-144, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

SAT367H

Revision: December 2006

AT-147

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION

Component Inspection
SHIFT SOLENOID VALVE A G Refer to AT-258, "REMOVAL" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve A

Terminal No.

Ground

Resistance (Approx.)
20 - 30

[RE4F03B]
ECS005XF

WAT167
Operation Check G Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.

Revision: December 2006

AT-148

WAT166
2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F03B]

DTC P0734 A/T 4TH GEAR FUNCTION Description

PFP:31940
A
ECS005XG

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis

malfunction.

G This malfunction is detected when the A/T does not shift into fourth gear position or when the line pres-

sure is low. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical mal-

function such as control valve sticking, improper solenoid valve operation, malfunctioning oil pump or AT torque converter clutch, etc.

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

ON (Closed)

OFF (Open)

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Line pressure solenoid valve duty

Small throttle opening (Low line pressure)
Large throttle opening (High line pressure)

Specification

(Approx.)

24%

95%

ON BOARD DIAGNOSTIC LOGIC

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as

follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from ECM

C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is much lower than the position (4th) supposed by TCM, the slip ratio will be much J

less than normal. In case the ratio does not reach the specified value, TCM judges this diagnosis malfunction.

This malfunction will be caused when shift solenoid valve B is stuck closed.

Gear position supposed by TCM In case of gear position with no malfunctions In case of gear position with shift solenoid valve B stuck closed *: P0734 is detected.

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: A/T 4TH GR FNCTN : P0734

G Shift solenoid valve A

A/T cannot be shifted to the 4th gear position even if electrical circuit is good.

G Shift solenoid valve B G Line pressure solenoid valve G Each clutch

G Hydraulic control circuit

Revision: December 2006

AT-149

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F03B]

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: G Always drive vehicle at a safe speed.
G If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch "OFF" and wait at least 5 seconds before continuing.
G Be careful not to rev engine into the red zone on the tachometer.
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. TESTING CONDITION: Always drive vehicle on a level road to improve the accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

BCIA0030E

With CONSULT-II

1. Start engine and select "DATA MONITOR" mode for "A/T" with CONSULT-II.

BCIA0031E

3. Select "4TH GR FNCTN P0734" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

4. Accelerate vehicle to 45 to 55 km/h (28 to 34 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 5.5/8 (at all times during step 4) Selector lever: D position (OD "ON")

Check that "GEAR" shows "3" after releasing pedal.

SAT021J

5. Depress accelerator pedal steadily with 1.0/8 - 2.0/8 of "THROTTLE POSI" from a speed of 45 to 55 km/h (28 to 34 MPH) until "TESTING" has turned to "STOP VEHICLE" or "COMPLETED". (It will take approximately 3 seconds.) If the check result NG appears on CONSULT-II screen, go to AT-153, "Diagnostic Procedure" . If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.

Check that "GEAR" shows "4" when depressing accelerator pedal with 1.0/8 - 2.0/8 of "THROTTLE POSI".

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS" for "ENGINE". In case a 1st trip DTC other than P0734 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".

6. Stop vehicle.

7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists

1 2 3 4

Malfunction for P0734 exists.

1 2 2 1

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "Diagnostic Procedure".) Refer to AT-153, "Diagnostic Procedure" . Refer to AT-384, "Shift Schedule" .

Revision: December 2006

AT-150

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION
With GST Follow the procedure "With CONSULT-II".

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-151

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION Wiring Diagram -- AT -- 4TH

[RE4F03B]
ECS005XH

Revision: December 2006

AT-152

BCWA0236E
2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

R/W

LINE PRESSURE SOLENOID VALVE

WHEN RELEASING ACCELERATOR PEDAL (ENGINE WARM)
WHEN DEPRESSING ACCELERATOR PEDAL (ENGINE WARM)

1.5 - 2.5V 0V

LINE PRESSURE SOLENOID

WHEN RELEASING ACCELERATOR PEDAL (ENGINE WARM)

5 - 14V

P/B

VALVE (WITH DROPPING

RESISTOR)

WHEN DEPRESSING ACCELERATOR PEDAL (ENGINE WARM)

0.5V OR LESS

WHEN SHIFT SOLENOID VALVE A OPERATES

BATTERY VOLTAGE

L/W

SHIFT SOLENOID VALVE A

WHEN SHIFT SOLENOID VALVE A DOES NOT OPERATES

WHEN SHIFT SOLENOID VALVE B OPERATES

BATTERY VOLTAGE

L/Y

SHIFT SOLENOID VALVE B

WHEN SHIFT SOLENOID VALVE B DOES NOT OPERATES

Diagnostic Procedure

ECS005XI
G

1. CHECK SHIFT UP (D3 TO D4 )

During "Cruise Test - Part 1" (AT-77, "Cruise Test -- Part 1" ), does

A/T shift from D3 to D4 at the specified speed?

Yes or No

Yes >> GO TO 9.

No >> GO TO 2.

2. CHECK LINE PRESSURE
Perform line pressure test. Refer to AT-67, "Line Pressure Test" .

K
SAT988H
L
M

OK or NG OK >> GO TO 3. NG >> GO TO 6.
Revision: December 2006

AT-153

LAT236
2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION
3. CHECK SOLENOID VALVES
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Refer to AT-157, "SOLENOID VALVES" . OK or NG
OK >> GO TO 4. NG >> Replace solenoid valve assembly.

[RE4F03B]

4. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 5. NG >> Repair control valve.

5. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? OK or NG
OK >> GO TO 9. NG >> Check transaxle internal components (clutch, brake, etc.).

Revision: December 2006

AT-154

WAT168 SAT367H
2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION
6. CHECK LINE PRESSURE SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Refer to AT-157, "Component Inspection" . OK or NG
OK >> GO TO 7. NG >> Replace solenoid valve assembly.
7. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" .
2. Check line pressure circuit valves for sticking. Pressure regulator valve Pilot valve Pressure modifier valve OK or NG
OK >> GO TO 8. NG >> Repair control valve.
8. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 9. No >> Check transaxle internal components (clutch, brake, etc.).

[RE4F03B]
A B AT D E F G H
WAT170
I J K L M
SAT367H

Revision: December 2006

AT-155

2006 Sentra

9. CHECK DTC

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F03B]

Perform AT-150, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .
OK or NG
OK >> INSPECTION END NG >> Perform "Cruise Test -- Part 1" (AT-77, "Cruise Test -- Part 1" ) again and return to the start point
of this test group.

Revision: December 2006

AT-156

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

Component Inspection
SOLENOID VALVES G Refer to AT-258, "REMOVAL" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve A
Shift solenoid valve B
Line pressure solenoid valve

Terminal No.

Ground

Resistance (Approx.) 20 - 30
5 - 20
2.5 - 5

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

[RE4F03B]
ECS005XJ
A B AT D E F G H
WAT169
I J K L M

Revision: December 2006

AT-157

WAT168
2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F03B]

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE

PFP:31940

Description

ECS005XK

The torque converter clutch solenoid valve is activated, with the gear in "D4 ", by the TCM in response to signals sent from the vehicle speed sensor and throttle position sensor [accelerator pedal position (APP) sensor]s. Lock-up piston operation will then be controlled. Lock-up operation, however, is prohibited when A/T fluid temperature is too low. When the accelerator pedal is depressed (less than 2/8) in lock-up condition, the engine speed should not change abruptly. If there is a big jump in engine speed, there is no lock-up.

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Torque converter clutch solenoid valve duty

Lock-up "OFF"
Lock-up "ON"

WAT237
Specification (Approx.) 4% 94%

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when...

Check items (Possible cause)

: TCC SOLENOID/CIRC : P0740

G Harness or connectors

TCM detects an improper voltage drop

(The solenoid circuit is open or shorted.)

when it tries to operate the solenoid valve.

G T/C clutch solenoid valve

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II 1. Turn ignition switch "ON".

2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II and wait at least 1 second.
With GST Follow the procedure "With CONSULT-II".

BCIA0030E

Revision: December 2006

AT-158

BCIA0031E
2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F03B]

Wiring Diagram -- AT -- TCV

ECS005XL
A

Revision: December 2006

AT-159

WCWA0066E
2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F03B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

Y/G

TORQUE CONVERTER CLUTCH SOLENOID VALVE

WHEN A/T PERFORMS LOCKUP
WHEN A/T DOES NOT PERFORM LOCK-UP

8 - 15V 0V

Diagnostic Procedure

ECS005XM

1. CHECK VALVE RESISTANCE
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 5 and ground.

LAT171
OK or NG OK >> GO TO 2. NG >> 1. Remove oil pan. Refer to AT-258, "REMOVAL" . 2. Check the following items: Torque converter clutch solenoid valve Refer to AT-161, "TORQUE CONVERTER CLUTCH SOLENOID VALVE" . Harness of terminal cord assembly for short or open
2. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to "OFF" position. 2. Disconnect TCM harness connector F56. 3. Check continuity between terminal cord assembly F50 terminal
5 (Y/G) and TCM harness connector terminal 3 (Y/G).
Continuity should exist.

If OK, check harness for short to ground and short to power. 4. Reinstall any part removed. OK or NG
OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK DTC

WCIA0086E

Perform AT-158, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-160

2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F03B]

Component Inspection
TORQUE CONVERTER CLUTCH SOLENOID VALVE
G Refer to AT-258, "REMOVAL" .

ECS005XN
A

Resistance Check

G Check resistance between two terminals.

Solenoid valve

Terminal No.

Resistance (Approx.)

Torque converter

clutch solenoid

Ground

5 - 20

valve

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

H
WAT173
I
J

Revision: December 2006

AT-161

WAT174
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F03B]

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

PFP:31940

Description

ECS005XO

G This is an OBD-II self-diagnostic item and not available in TCM self-diagnosis.
G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis malfunction.
G This malfunction is detected when the A/T does not shift into fourth gear position or the torque converter clutch does not lock up as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, malfunctioning oil pump or torque converter clutch, etc.

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Specification (Approx.)

Torque converter clutch solenoid valve duty

Lock-up "OFF"
Lock-up "ON"

4% 94%

Revision: December 2006

AT-162

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F03B]

ON BOARD DIAGNOSTIC LOGIC

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as A

follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from ECM

C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is much lower than the position (4th) supposed by TCM, the slip ratio will be much less than normal. In case the ratio does not reach the specified value, TCM judges this diagnosis malfunction. AT

This malfunction will be caused when shift solenoid valve B is stuck closed.

Gear position supposed by TCM In case of gear position with no malfunctions

In case of gear position with shift solenoid valve B stuck closed

*: P0744 is detected.

Diagnostic trouble code

Malfunction is detected when...

Check items (Possible cause)

: A/T TCC S/V FNCTN : P0744

G Torque converter clutch solenoid valve

A/T cannot perform lock-up even if electri- G Line pressure solenoid valve

cal circuit is good.

G Each clutch

G Hydraulic control circuit

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-

DURE" has been previously conducted, always turn ignition

switch "OFF" and wait at least 5 seconds before conducting the

next test.

After the repair, perform the following procedure to confirm the mal-

function is eliminated.

With CONSULT-II
1. Start engine and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Make sure that output voltage of A/T fluid temperature sensor is within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).
3. Select "TCC S/V FNCTN P0744" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

K
BCIA0030E
L M

BCIA0031E

Revision: December 2006

AT-163

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F03B]

4. Accelerate vehicle to more than 80 km/h (50 MPH) and maintain the following condition continuously until "TESTING" has turned to "COMPLETE". (It will take approximately 30 seconds after "TESTING" shows.) THROTTLE POSI: 1.0/8 - 2.0/8 (at all times during step 4) Selector lever: D position (OD "ON") TCC S/V DUTY: More than 94% VHCL/S SE·A/T: Constant speed of more than 80 km/h (50 MPH)

Check that "GEAR" shows "4".

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS". In case a 1st trip DTC other than P0744 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".

SAT021J

5. Make sure that "OK" is displayed. (If "NG" is displayed, refer to AT-166, "Diagnostic Procedure" .) Refer to AT-166, "Diagnostic Procedure" . Refer to AT-384, "Shift Schedule" .

With GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-164

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) Wiring Diagram -- AT -- TCCSIG

[RE4F03B]
ECS005XP
A B AT D E F G H I J K L M

Revision: December 2006

AT-165

BCWA0237E
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F03B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

R/W

LINE PRESSURE SOLENOID VALVE

WHEN RELEASING ACCELERATOR PEDAL (ENGINE WARM)

1.5 - 2.5V

WHEN DEPRESSING ACCELERATOR PEDAL (ENGINE WARM)

0.5V OR LESS

LINE PRESSURE SOLENOID

WHEN RELEASING ACCELERATOR PEDAL (ENGINE WARM)

5 - 14V

P/B

VALVE (WITH DROPPING

RESISTOR)

WHEN DEPRESSING ACCELERATOR PEDAL (ENGINE WARM)

0.5V OR LESS

Y/G

TORQUE CONVERTER CLUTCH SOLENOID VALVE

WHEN A/T PERFORMS LOCKUP
WHEN A/T DOES NOT PERFORM LOCK-UP

8 - 14V 0V

Diagnostic Procedure

ECS005XQ

1. CHECK SHIFT UP (D3 TO D4 )
During "Cruise Test - Part 1" (AT-77, "Cruise Test -- Part 1" ), does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 10. No >> GO TO 2.

2. CHECK LINE PRESSURE
Perform line pressure test. Refer to AT-67, "Line Pressure Test" .

SAT988H

OK or NG OK >> GO TO 3. NG >> GO TO 6.
Revision: December 2006

AT-166

LAT236
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 4. NG >> Repair control valve.

[RE4F03B]
A B AT D E

4. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 5. No >> Check transaxle internal components (clutch, brake, etc.).
5. CHECK DTC
Perform AT-163, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> GO TO 10. Check lock-up condition.

F
SAT367H
G H
I J
K

Revision: December 2006

AT-167

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
6. CHECK LINE PRESSURE SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Check line pressure solenoid valve operation. Refer to AT-176, "Component Inspection" .
OK or NG OK >> GO TO 7. NG >> Replace solenoid valve assembly.

[RE4F03B]

7. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" .
2. Check line pressure circuit valves for sticking. Pressure regulator valve Pilot valve Pressure modifier valve OK or NG
OK >> GO TO 8. NG >> Repair control valve.

8. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 9. No >> Check transaxle internal components (clutch, brake, etc.).

Revision: December 2006

AT-168

WAT175 SAT367H
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
9. CHECK DTC
Perform AT-163, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> GO TO 10. Check for proper lock-up.
10. CHECK LOCK-UP CONDITION
During "Cruise Test - Part 1" (AT-77, "Cruise Test -- Part 1" ), does A/T perform lock-up at the specified speed? Yes or No
Yes >> Perform "Cruise Test - Part 1" (AT-77, "Cruise Test -- Part 1" ) again and return to the start point of this test group.
No >> GO TO 11.

[RE4F03B]
A B AT D E

11. CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Check torque converter clutch solenoid valve operation. Refer to AT-161, "TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
OK or NG OK >> GO TO 12. NG >> Replace solenoid valve assembly.

SAT989H
G H I J

WAT176

Revision: December 2006

AT-169

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
12. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-297, "Disassembly" .
2. Check control valves for sticking. Torque converter clutch control valve Torque converter clutch relief valve OK or NG
OK >> GO TO 13. NG >> Repair control valve.

[RE4F03B]

13. CHECK LOCK-UP CONDITION

SAT367H

Does A/T perform lock-up at the specified speed? Yes or No
Yes >> GO TO 14. No >> Check transaxle internal components (clutch, brake, etc.).
14. CHECK DTC

Perform AT-163, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .
OK or NG
OK >> INSPECTION END NG >> Perform "Cruise Test -- Part 1" (AT-77, "Cruise Test -- Part 1" ) again and return to the start point
of this test group.

Revision: December 2006

AT-170

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

Component Inspection
SOLENOID VALVES G Refer to AT-258, "REMOVAL" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Line pressure solenoid valve
Torque converter clutch solenoid valve

Terminal No.
4 Ground
5

Resistance (Approx.) 2.5 - 5
5 - 20

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

[RE4F03B]
ECS005XR
A B AT D E F G H
WAT177
I J K L M

Revision: December 2006

AT-171

WAT178
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE
DTC P0745 LINE PRESSURE SOLENOID VALVE
Description
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the TCM. The line pressure duty cycle value is not consistent when the closed throttle position switch is "ON". To confirm the line pressure duty cycle at low pressure, the accelerator (throttle) should be open until the closed throttle position switch is "OFF".

[RE4F03B]
PFP:31940
ECS005XS

WAT237

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Specification (Approx.)

Line pressure solenoid valve duty

Small throttle opening (Low line pressure)
Large throttle opening (High line pressure)

24%
95%

NOTE: The line pressure duty cycle value is not consistent when the closed throttle position switch is "ON". To confirm the line pressure duty cycle at low pressure, the accelerator (throttle) should be open until the closed throttle position switch is "OFF".

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: L/PRESS SOL/CIRC : P0745

G Harness or connectors

TCM detects an improper voltage drop

(The solenoid circuit is open or shorted.)

when it tries to operate the solenoid valve.

G Line pressure solenoid valve

With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

BCIA0030E

2. Depress accelerator pedal completely and wait at least 5 seconds.
With GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-172

BCIA0031E
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE Wiring Diagram -- AT -- LPSV

[RE4F03B]
ECS005XT
A B AT D E F G H I J K L M

Revision: December 2006

AT-173

BCWA0238E
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

R/W

LINE PRESSURE SOLENOID VALVE

WHEN RELEASING ACCELERATOR PEDAL (ENGINE WARM)
WHEN DEPRESSING ACCELERATOR PEDAL (ENGINE WARM)

WHEN RELEASING ACCELERATOR PEDAL

LINE PRESSURE SOLENOID (ENGINE WARM)

P/B

VALVE (WITH DROPPING

RESISTOR)

WHEN DEPRESSING ACCELERATOR PEDAL

(ENGINE WARM)

Diagnostic Procedure

[RE4F03B]
DATA (DC) 1.5 - 3.0V 0.5V OR LESS 5 - 14v 0.5V OR LESS
ECS005XU

1. CHECK VALVE RESISTANCE
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 4 and ground.

LAT179
OK or NG OK >> GO TO 2. NG >> 1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items: Line pressure solenoid valve Refer to AT-176, "Component Inspection" . Harness of terminal cord assembly for short or open

Revision: December 2006

AT-174

2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE
2. CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to "OFF" position. 2. Disconnect TCM harness connector. 3. Check resistance between terminal 4 and TCM harness connector terminal 2.

[RE4F03B]
A B AT

OK or NG
OK >> GO TO 3. NG >> Check the following items:

LAT180
F

G Dropping resistor

Refer to AT-177, "DROPPING RESISTOR" .

G Harness for short or open between TCM terminal 2 and terminal cord assembly (Main harness)

3. CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to "OFF" position.

2. Check resistance between terminal 4 and TCM harness connector terminal 1.

LAT181

If OK, check harness for short to ground and short to power.

3. Reinstall any part removed.

OK or NG

OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors.

4. CHECK DTC

Perform AT-172, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-175

2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

Component Inspection
LINE PRESSURE SOLENOID VALVE G Refer to AT-258, "REMOVAL" .
Resistance Check
G
Check resistance between two terminals.

Solenoid valve
Line pressure solenoid valve

Terminal No.

Ground

Resistance (Approx.)
2.5 - 5

[RE4F03B]
ECS005XV

WAT182
Operation Check G Check solenoid valve by listening for its operating sound while
applying battery voltage to the terminal and ground.

Revision: December 2006

AT-176

WAT183
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

DROPPING RESISTOR G Check resistance between two terminals.

Resistance

: 10 - 15

[RE4F03B]
A B AT D
SAT444J
E F G H I J K L M

Revision: December 2006

AT-177

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A
DTC P0750 SHIFT SOLENOID VALVE A Description
Shift solenoid valves A and B are turned "ON" or "OFF" by the TCM in response to signals sent from the PNP switch, vehicle speed sensor and throttle position sensor [accelerator pedal position (APP) sensor]. Gears will then be shifted to the optimum position.

[RE4F03B]
PFP:31940
ECS005XW

WAT237

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: SFT SOL A/CIRC : P0750

G Harness or connectors

TCM detects an improper voltage drop

(The solenoid circuit is open or shorted.)

when it tries to operate the solenoid valve.

G Shift solenoid valve A

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
2. Start engine.
3. Drive vehicle in D position and allow the transmission to shift "1" "2" ("GEAR").
With GST Follow the procedure "With CONSULT-II".

BCIA0030E

BCIA0031E

Revision: December 2006

AT-178

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A Wiring Diagram -- AT -- SSV/A

[RE4F03B]
ECS005XX
A B AT D E F G H I J K L M
WAT125

Revision: December 2006

AT-179

WAT345
2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A
Diagnostic Procedure
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 2 and ground.

[RE4F03B]
ECS005XY

OK or NG

LAT184

OK >> GO TO 2. NG >> 1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Check the following items:

Shift solenoid valve A Refer to AT-181, "Component Inspection" .
Harness of terminal cord assembly for short or open

2. CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to "OFF" position. 2. Disconnect TCM harness connector. 3. Check continuity between terminal 2 and TCM harness connector terminal 11.

LAT185
If OK, check harness for short to ground and short to power. 4. Reinstall any part removed. OK or NG
OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK DTC

Perform AT-178, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-180

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A

Component Inspection
SHIFT SOLENOID VALVE A G Refer to AT-181, "Component Inspection" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve A

Terminal No.

Ground

Resistance (Approx.)
20 - 30

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

[RE4F03B]
ECS005XZ
A B AT D E F G H
WAT186
I J K L M

Revision: December 2006

AT-181

WAT187
2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B
DTC P0755 SHIFT SOLENOID VALVE B Description
Shift solenoid valves A and B are turned "ON" or "OFF" by the TCM in response to signals sent from the PNP switch, vehicle speed and throttle position sensors. Gears will then be shifted to the optimum position.

[RE4F03B]
PFP:31940
ECS005Y0

WAT237

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: SFT SOL B/CIRC : P0755

G Harness or connectors

TCM detects an improper voltage drop

(The solenoid circuit is open or shorted.)

when it tries to operate the solenoid valve.

G Shift solenoid valve B

With CONSULT-II 1. Turn ignition switch "ON" and select "DATA MONITOR" mode for
"ENGINE" with CONSULT-II. 2. Start engine. 3. Drive vehicle in D position and allow the transmission to shift 1
2 3 ("GEAR").
With GST Follow the procedure "With CONSULT-II".

BCIA0030E

BCIA0031E

Revision: December 2006

AT-182

2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B Wiring Diagram -- AT -- SSV/B

[RE4F03B]
ECS005Y1
A B AT D E F G H I J K L M
WAT126

Revision: December 2006

AT-183

WAT344
2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B
Diagnostic Procedure
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 1 and ground.

[RE4F03B]
ECS005Y2

OK or NG

LAT188

OK >> GO TO 2. NG >> 1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Check the following items:

Shift solenoid valve B Refer to AT-185, "Component Inspection" .
Harness of terminal cord assembly for short or open

2. CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to "OFF" position. 2. Disconnect TCM harness connector. 3. Check continuity between terminal 1 and TCM harness connector terminal 12.

LAT189
If OK, check harness for short to ground and short to power. 4. Reinstall any part removed. OK or NG
OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK DTC

Perform AT-182, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-184

2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B

Component Inspection
SHIFT SOLENOID VALVE B G Refer to AT-258, "REMOVAL" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Shift solenoid valve B

Terminal No.

Ground

Resistance (Approx.)
5 - 20

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

[RE4F03B]
ECS005Y3
A B AT D E F G H
WAT190
I J K L M

Revision: December 2006

AT-185

WAT191
2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION

(APP) SENSOR]

PFP:22560

Description

ECS006GS

The throttle position sensor [accelerator pedal position (APP) sensor] is part of the system that controls throttle position. This system also uses an electric throttle control actuator which consists of a throttle control motor and throttle position sensors. Accelerator pedal position signal is sent to the ECM.

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification

Throttle position sensor [accelerator pedal position (APP) sensor]

Fully-closed throttle Fully-open throttle

Approximately 0.5V Approximately 4V

Revision: December 2006

AT-186

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]

On Board Diagnosis Logic

ECS006GT

Diagnostic trouble code TP SEN/CIRC A/T with CONSULT-II or P1705 without CONSULT-II is detected when A

TCM receives an excessively low or high voltage from the ECM.

Possible Cause
Check the following items. G Harness or connectors
(The sensor circuit is open or shorted.)

ECS00 6G U

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00 6G V

CAUTION:

Always drive vehicle at a safe speed.

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at E least 10 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for

"A/T" with CONSULT-II.

Accelerator pedal condition

THRTL POS SEN CLOSED THL/SW

W/O THRL/P·SW

Fully released

Less than 4.7V

OFF

Partially depressed

0.1 - 4.6V

OFF

Fully depressed

1.9 - 4.6V

OFF

If the check result is NG, go to AT-190, "Diagnostic Procedure" . If the check result is OK, go to following step.
2. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
3. Start engine and maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: Approximately 3V or less Selector lever: D position (O/D ON) If the check result is NG, go to AT-190, "Diagnostic Procedure" . If the check result is OK, go to following step.

I
BCIA0030E
J

BCIA0031E

4. Maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely. VHCL SPEED SE: 10 km/h (6 MPH) or more Accelerator pedal: Wide open throttle Selector lever: D position (O/D ON)

Revision: December 2006

AT-187

BCIA0030E
2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]

WITH GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-188

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]

Wiring Diagram -- AT -- TPS

ECS006GW
A

Revision: December 2006

AT-189

BCWA0246E
2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

SENSOR POWER

IGNITION SWITCH ON IGNITION SWITCH OFF

4.5 - 5.5V 0V

THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

IGNITION ON AND ACCELERATOR PEDAL IS DEPRESSED SLOWLY AFTER WARMING UP ENGINE

FULLY CLOSED THROTTLE: 0.5V
WIDE OPEN THROTTLE: 4.0V

B/W

SENSOR GROUND

Diagnostic Procedure

ECS006GX

1. CHECK DTC WITH ECM
G Check P code with CONSULT-II "ENGINE". Turn ignition switch ON and select "SELF DIAGNOSTIC RESULTS" mode for "ENGINE" with CONSULTII.
Refer to EC-64, "Malfunction Indicator Lamp (MIL)" . OK or NG
OK (with CONSULT-II)>>GO TO 2. OK (without CONSULT-II)>>GO TO 3. NG >> Check throttle position sensor [accelerator pedal position (APP) sensor] circuit for engine control.
Refer to EC-302, "DTC P0222, P0223 TP SENSOR" and EC-514, "DTC P2122, P2123 APP SENSOR" .
2. CHECK INPUT SIGNAL (WITH CONSULT-II)

With CONSULT-II 1. Turn ignition switch to ON position.
(Do not start engine.) 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "THRTL POS SEN".

Voltage: Fully-closed throttle

:Approximately 0.5V

SAT614J

Fully-open throttle

:Approximately 4V

OK or NG
OK >> GO TO 4. NG >> Check harness for short or open between ECM and TCM regarding throttle position sensor [accel-
erator pedal position (APP) sensor] circuit. (Main harness)

Revision: December 2006

AT-190

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F03B]
3. CHECK INPUT SIGNAL (WITHOUT CONSULT-II) A

Without CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.) B
2. Check voltage between TCM terminals 41 (GY) and 42 (B/W) while accelerator pedal is depressed slowly.

Voltage:

Fully-closed throttle valve

:Approximately 0.5V

Fully-open throttle valve

:Approximately 4V

(Voltage rises gradually in response to throttle position.)

AT
D
E
WCWA0085E

OK or NG F
OK >> GO TO 4. NG >> Check harness for short or open between ECM and TCM regarding throttle position sensor [accel-
erator pedal position (APP) sensor] circuit. (Main harness) G
4. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-191

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE Description
The overrun clutch solenoid valve is activated by the TCM in response to signals sent from the inhibitor switch, overdrive control switch, vehicle speed and throttle position sensors. The overrun clutch operation will then be controlled.

[RE4F03B]
PFP:31940
ECS005Y8

WAT237
ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: O/R CLTCH SOL/CIRC : P1760

G Harness or connectors

TCM detects an improper voltage drop

(The solenoid circuit is open or shorted.)

when it tries to operate the solenoid valve.

G Overrun clutch solenoid valve

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test. TESTING CONDITION: Always drive vehicle on a level road to improve accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.
With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
2. Start engine.
3. Accelerate vehicle to a speed of more than 10 km/h (6 MPH) with "D" position (OD "ON").
4. Release accelerator pedal completely with "D" position (OD "OFF").

BCIA0030E

With GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-192

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE Wiring Diagram -- AT -- OVRCSV

[RE4F03B]
ECS005Y9
A

M
WAT128

Revision: December 2006

AT-193

WAT351
2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Diagnostic Procedure
1. CHECK VALVE RESISTANCE
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal 3 and ground.

[RE4F03B]
ECS005YA

OK or NG

LAT195

OK >> GO TO 2. NG >> 1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .
2. Check the following items:

Overrun clutch solenoid valve Refer to AT-195, "Component Inspection" .
Harness of terminal cord assembly for short or open

2. CHECK POWER SOURCE CIRCUIT

1. Turn ignition switch to "OFF" position. 2. Disconnect TCM harness connector. 3. Check continuity between terminal 3 and TCM harness connector terminal 20.

LAT196
If OK, check harness for short to ground and short to power. 4. Reinstall any part removed. OK or NG
OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors.
3. CHECK DTC

Perform AT-192, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-194

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE

Component Inspection
OVERRUN CLUTCH SOLENOID VALVE G Refer to AT-195, "Component Inspection" .
Resistance Check G Check resistance between two terminals.

Solenoid valve
Overrun clutch solenoid valve

Terminal No.

Ground

Resistance (Approx.)
20 - 30

[RE4F03B]
ECS005YB
A
B
AT
D

Operation Check
G Check solenoid valve by listening for its operating sound while applying battery voltage to the terminal and ground.

H
WAT197
I
J

Revision: December 2006

AT-195

WAT198
2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM

POWER SOURCE)

PFP:31940

Description

ECS005YC

The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.

WAT237

SAT021J

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

A/T fluid temperature sensor

Cold [20°C (68°F)]
Hot [80°C (176°F)]

Specification (Approx.)

1.5V
0.5V

2.5 k
0.3 k

ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: BATT/FLUID TEMP SEN : 8th judgement flicker

TCM receives an excessively low or high voltage from the sensor.

G Harness or connectors (The sensor circuit is open or shorted.)
G A/T fluid temperature sensor

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II
1. Start engine.
2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Drive vehicle under the following conditions: Selector lever in "D", vehicle speed higher than 20 km/h (12 MPH).

Without CONSULT-II 1. Start engine.

BCIA0030E

Revision: December 2006

AT-196

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]

2. Drive vehicle under the following conditions:

Selector lever in "D", vehicle speed higher than 20 km/h (12

MPH).

3. Perform self-diagnosis. Refer to TCM Self-diagnostic Procedure (No Tools), AT-51, "TCM Self-diagnostic Procedure (No Tools)" .

AT
BCIA0031E
D
E

G
SAT335HC
H

Revision: December 2006

AT-197

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]

Wiring Diagram -- AT -- BA/FTS

ECS005YD

Revision: December 2006

AT-198

BCWA0239E
2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/R

POWER SOURCE

BR/R

POWER SOURCE

WHEN TURNING IGNITION SWITCH TO "ON" BATTERY VOLTAGE
WHEN TURNING IGNITION SWITCH TO "OFF" 0V
WHEN TURNING IGNITION SWITCH TO "ON" BATTERY VOLTAGE B
WHEN TURNING IGNITION SWITCH TO "OFF" 0V

R/B

POWER SOURCE (MEMORY BACK UP)

WHEN TURNING IGNITION SWITCH TO "OFF" BATTERY VOLTAGE AT
WHEN TURNING IGNITION SWITCH TO "ON" BATTERY VOLTAGE

B/W

GROUND (A/T FLUID TEMPERATURE SENSOR)

A/T FLUID TEMPERATURE WHEN ATF TEMPERATURE IS 20°C (68°F)

SENSOR

WHEN ATF TEMPERATURE IS 80°C (176°F)

Diagnostic Procedure

0V
D
APPROX. 1.5V
APPROX. 0.5V
E
ECS005YE

1. CHECK TCM POWER SOURCE

1. Turn ignition switch to "ON" position. (Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.

Voltage

: Battery voltage

3. Turn ignition switch to "OFF" position. 4. Check voltage between TCM terminal 28 and ground.

Voltage

: Battery voltage

OK or NG
OK >> GO TO 2. NG >> Check the following items:
G Harness for short or open between ignition switch and TCM (Main harness)
G Harness for short or open between battery and TCM (Main harness)
G Ignition switch and fuse Refer to PG-3, "POWER SUPPLY ROUTING" .

G H

WCIA0164E

Revision: December 2006

AT-199

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]
2. CHECK A/T FLUID TEMPERATURE SENSOR WITH TERMINAL CORD ASSEMBLY
1. Turn ignition switch to "OFF" position. 2. Disconnect terminal cord assembly connector F50 in engine compartment. 3. Check resistance between terminal cord assembly F50 terminals 6 and 7 when A/T is cold.

4. Reinstall any part removed. OK or NG
OK (With CONSULT-II)>> GO TO 3. OK (Without CONSULT-II)>> GO TO 4. NG >> 1. Remove oil pan.
2. Check the following items: A/T fluid temperature sensor
Refer to AT-201, "Component Inspection" . Harness of terminal cord assembly for short or open
3. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)
With CONSULT-II 1. Start engine. 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "FLUID TEMP SE".

LCIA0027E

Voltage
Cold [20°C (68°F)] Hot [80°C (176°F)]

: Approximately 1.5V 0.5V

SAT614J

OK or NG
OK >> GO TO 5. NG >> Check the following items:
G Harness for short or open between TCM, ECM and terminal cord assembly (Main harness)
G Ground circuit for ECM Refer to EC-145, "Wiring Diagram" .

Revision: December 2006

AT-200

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F03B]

4. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II) A

Without CONSULT-II 1. Start engine.
B 2. Check voltage between TCM terminal 47 and ground while warming up A/T.

Voltage

Cold [20°C (68°F)] : Approximately 1.5V

Hot [80°C (176°F)]

0.5V

3. Turn ignition switch to "OFF" position.

4. Disconnect TCM harness connector.

5. Check resistance between terminal 42 (B/W) and ground.
Continuity should exist.
OK or NG OK >> GO TO 5. NG >> Check the following items: G Harness for short or open between TCM, ECM and terminal cord assembly (Main harness) G Ground circuit for ECM Refer to EC-145, "Wiring Diagram" .
5. CHECK DTC

SAT463J
F
G
H
I
WCIA0152E
J

Perform AT-196, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .

OK or NG

OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Component Inspection
A/T FLUID TEMPERATURE SENSOR
G Refer to AT-258, "REMOVAL" .
G Check resistance between two terminals while changing temperature as shown.

ECS005YF
M

Temperature °C (°F) 20 (68) 80 (176)

Resistance (approx.) 2.5 k 0.3 k

SAT298F

Revision: December 2006

AT-201

2006 Sentra

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR
[RE4F03B]

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR

PFP:24814

Description

ECS005YG

The vehicle speed sensor·MTR is built into the speedometer assembly. The sensor functions as an auxiliary device to the revolution sensor when it is malfunctioning. The TCM will then use a signal sent from the vehicle speed sensor·MTR.

LAT199
ON BOARD DIAGNOSIS LOGIC

Diagnostic trouble code

Malfunction is detected when ...

Check items (Possible cause)

: VHCL SPEED SEN·MTR : 2nd judgement flicker

TCM does not receive the proper voltage signal from the sensor.

G Harness or connectors (The sensor circuit is open or shorted.)
G Vehicle speed sensor

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: G Always drive vehicle at a safe speed.
G If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch "OFF" and wait at least 5 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "A/T" with CONSULT-II.

BCIA0030E

2. Start engine and accelerate vehicle from 0 to 25 km/h (0 to 16 MPH).
Without CONSULT-II 1. Start engine. 2. Drive vehicle under the following conditions:
Selector lever in "D" and vehicle speed higher than 25 km/h (16 MPH).

Revision: December 2006

AT-202

BCIA0031E
2006 Sentra

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR
[RE4F03B]

3. Perform self-diagnosis.

Refer to "TCM Self-diagnostic Procedure (No Tools)", AT-51,

"TCM Self-diagnostic Procedure (No Tools)" .

SAT329HA

Revision: December 2006

AT-203

2006 Sentra

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR
[RE4F03B]

Wiring Diagram -- AT -- VSSMTR

ECS005YH

Revision: December 2006

AT-204

WCWA0122E
2006 Sentra

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR
[RE4F03B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

VOLTAGE VARIES

PU/R

VEHICLE SPEED SENSOR

WHEN MOVING VEHICLE AT 2 TO 3 KM/H (1 TO 2 MPH) FOR 1 m (3ft) OR MORE

FROM GREATER THAN 1V TO LESS

THAN 4.5 V

Diagnostic Procedure
1. CHECK INPUT SIGNAL

ECS005YI
AT

D With CONSULT-II

1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "VHCL/S SE·MTR" while driving.

Check the value changes according to driving speed.

SAT614J

Without CONSULT-II

1. Start engine.

2. Check voltage between TCM terminal 40 and ground while driving at 2 to 3 km/h (1 to 2 MPH) for 1 m (3

ft) or more.

LAT201
OK or NG OK >> GO TO 2. NG >> Check the following items:
G Vehicle speed sensor and ground circuit for vehicle speed sensor Refer to DI-26, "VEHICLE SPEED SENSOR SIGNAL CHECK" .
G Harness for short or open between TCM and vehicle speed sensor (Main harness)

Revision: December 2006

AT-205

2006 Sentra

DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR
[RE4F03B]
2. CHECK DTC
Perform AT-202, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-206

2006 Sentra

DTC U1000 CAN COMMUNICATION LINE

[RE4F03B]

DTC U1000 CAN COMMUNICATION LINE Description

PFP:23710
A
ECS006GM

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-

tiplex communication line with high data communication speed and excellent error detection ability. Many elec- B tronic control units are equipped onto a vehicle, and each control unit shares information and links with other

control units during operation (not independent). In CAN communication, control units are connected with 2

communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.

Each control unit transmits/receives data but selectively reads required data only.

On Board Diagnosis Logic

ECS00 6G N

G This is an OBD-II self-diagnostic item.

G Diagnostic trouble code "CAN COMM CIRCUIT" with CONSULT-II or U1000 without CONSULT-II is detected when TCM cannot communicate to other control unit.

Possible Cause

E
ECS006GO

Harness or connectors (CAN communication line is open or shorted.)
DTC Confirmation Procedure

F
ECS00 6G P

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and G wait at least 10 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch to ON position. (Do not start engine.)

2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

3. Start engine and wait for at least 6 seconds.

4. If DTC is detected, go to AT-209, "Diagnostic Procedure" .

WITH GST Follow the procedure "WITH CONSULT-II".

K
BCIA0030E
L
M

Revision: December 2006

AT-207

2006 Sentra

DTC U1000 CAN COMMUNICATION LINE Wiring Diagram -- AT -- CAN

[RE4F03B]
ECS006GQ

Revision: December 2006

AT-208

BCWA0247E
2006 Sentra

DTC U1000 CAN COMMUNICATION LINE
Diagnostic Procedure
1. CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-II 1. Turn ignition switch "ON" and start engine. 2. Select "SELF-DIAG RESULTS" mode for "A/T" with CONSULT-
II. Is any malfunction of the "CAN COMM CIRCUIT" indicated?
Yes >> Print out CONSULT-II screen, GO TO LAN section. Refer to LAN - LAN-17, "CAN Communication Unit"
No >> INSPECTION END.

[RE4F03B]
ECS00 6G R
A B AT D E
PCIA0061E
F G H I J K L M

Revision: December 2006

AT-209

2006 Sentra

DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM) Description
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The unit controls the A/T.

[RE4F03B]
PFP:31036
ECS005YJ

ON BOARD DIAGNOSIS LOGIC

SAT574J

Diagnostic Trouble Code No.

Malfunction is detected when ....

Check Item (Possible Cause)

: CONTROL UNIT (RAM), CONTROL UNIT (ROM)

TCM memory (RAM) or (ROM) is malfunctioning.

G TCM

With CONSULT-II 1. Turn ignition switch "ON" and select "DATA MONITOR" mode for
"A/T" with CONSULT-II.
2. Start engine.

3. Run engine for at least 2 seconds at idle speed.

BCIA0030E

Diagnostic Procedure
1. INSPECTION START (WITH CONSULT-II)
With CONSULT-II 1. Turn ignition switch "ON" and select "SELF DIAGNOSIS" mode for A/T with CONSULT-II. 2. Touch "ERASE".
>> GO TO 2.

BCIA0031E ECS005YK

Revision: December 2006

AT-210

2006 Sentra

DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
[RE4F03B]
2. CHECK DTC A Perform AT-210, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" .

>> GO TO 3.

3. CHECK DTC AGAIN
AT Is the "CONTROL UNIT (RAM)" or "CONTROL UNIT (ROM)" displayed again?
Yes or No

Yes >> Replace TCM.

No >> INSPECTION END

Revision: December 2006

AT-211

2006 Sentra

DTC CONTROL UNIT (EEP ROM)
DTC CONTROL UNIT (EEP ROM) Description
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The unit controls the A/T.

[RE4F03B]
PFP:31036
ECS005YL

ON BOARD DIAGNOSIS LOGIC

SAT574J

Diagnostic trouble code : CONT UNIT (EEP ROM)

Malfunction is detected when ...
TCM memory (EEP ROM) is malfunctioning.

Check item (Possible cause) G TCM

With CONSULT-II
1. Turn ignition switch "ON" and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Start engine.

3. Run engine for at least 2 seconds at idle speed.

BCIA0030E

BCIA0031E

Revision: December 2006

AT-212

2006 Sentra

DTC CONTROL UNIT (EEP ROM)
Diagnostic Procedure
1. CHECK DTC
With CONSULT-II 1. Turn ignition switch "ON" and select "SELF DIAGNOSIS" mode for A/T with CONSULT-II. 2. Move selector lever to "R" position. 3. Depress accelerator pedal (Full throttle position). 4. Touch "ERASE". 5. Turn ignition switch "OFF" position for 10 seconds. Perform AT-212, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . Is the "CONT UNIT (EEP ROM)" displayed again?
Yes >> Replace TCM. No >> INSPECTION END

[RE4F03B]
ECS005YM
A
B
AT
D
E

Revision: December 2006

AT-213

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
TROUBLE DIAGNOSES FOR SYMPTOMS Wiring Diagram -- AT -- NONDTC

[RE4F03B]
PFP:00007
ECS005YN

Revision: December 2006

AT-214

WCWA0124E
2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SETTING SELECTOR LEVER TO "1" POSITION

BATTERY VOLTAGE

BR/Y

PNP SWITCH "1" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "2" POSITION

BATTERY VOLTAGE

B/R

PNP SWITCH "2" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "D" POSITION

BATTERY VOLTAGE

W/G

PNP SWITCH "D" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

WHEN SETTING SELECTOR LEVER TO "R" POSITION

BATTERY VOLTAGE

G/Y

PNP SWITCH "R" POSITION

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

PNP SWITCH "N" OR "P" POSITION

WHEN SETTING SELECTOR LEVER TO "N" OR "P" POSITION

BATTERY VOLTAGE

WHEN SETTING SELECTOR LEVER TO OTHER POSITIONS

Revision: December 2006

AT-215

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

Revision: December 2006

AT-216

WCWA0074E
2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-217

BCWA0248E
2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND GROUND

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

CAN-H

CAN-L

G/B

DATA LINK CONNECTOR (RX)

GY/L

DATA LINK CONNECTOR (TX)

SENSOR POWER

IGNITION SWITCH ON IGNITION SWITCH OFF

APPROX. 4.5 - 5.5V APPROX. 0V

Revision: December 2006

AT-218

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On
SYMPTOM: O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to "ON".

[RE4F03B]
ECS005YO
A
B

D
WCIA0153E

1. CHECK TCM POWER SOURCE

1. Turn ignition switch to "ON" position.

(Do not start engine.)

2. Check voltage between TCM terminals 10, 19, 28 and ground.

Voltage

: Battery voltage

3. Turn ignition switch to "OFF" position.

4. Check voltage between TCM terminal 28 and ground.

Voltage

: Battery voltage

OK or NG

OK >> GO TO 2.

NG >> Check the following items:

G Harness for short or open between ignition switch and TCM (Main harness). Refer to AT-111, "Wiring Diagram -- AT -- MAIN" .

SAT467J
J

G Harness for short or open between battery and TCM (Main harness) Refer to AT-111, "Wiring Diagram -- AT -- MAIN" .

G Ignition switch and fuse. Refer to PG-3, "POWER SUPPLY ROUTING" .

2. CHECK TCM GROUND CIRCUIT

1. Turn ignition switch to "OFF" position.

2. Disconnect TCM harness connector.

3. Check continuity between TCM terminals 25, 48 and ground.

Continuity should

exist.

If OK, check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power
in harness or connectors. Refer to AT-111, "Wiring Diagram -- AT -- MAIN" .
SAT468J

Revision: December 2006

AT-219

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
3. CHECK SELF-DIAGNOSIS RESULTS

[RE4F03B]

With CONSULT-II Does "SELECTION FORM MENU" in "DATA MONITOR" show damage to O/D OFF indicator lamp (SELF D DP LMP) signal circuit?
No Tools Execute the self-diagnosis. Is a malfunction in the CAN communication indicated in the results?
YES or NO
YES >> Check the CAN communication line. Refer to AT-207, "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 4.
4. CHECK O/D OFF INDICATOR LAMP CIRCUIT

1. Turn ignition switch to "OFF" position. 2. Check the combination meter.
Refer to DI-7, "Combination Meter" OK or NG
OK >> GO TO 5. NG >> Replace the combination meter.
5. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-220

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
2. Engine Cannot Be Started In "P" and "N" Position
SYMPTOM: G Engine cannot be started with selector lever in "P" or "N" position. G Engine can be started with selector lever in "D", "2", "1" or "R" position.
1. CHECK PNP SWITCH CIRCUIT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to PNP switch circuit?
Without CONSULT-II Does self-diagnosis show damage to PNP switch circuit? Yes or No
Yes >> Check PNP switch circuit. Refer to AT-114, "DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
No >> GO TO 2.

[RE4F03B]
ECS005YP
A
B
AT
D E
F

2. CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2. Refer to AT-116, "Diagnostic Procedure" . OK or NG
OK >> GO TO 3. NG >> Repair or replace PNP switch.
3. CHECK CONTROL CABLE
Check control cable. Refer to AT-261, "Control Cable Adjustment" OK or NG
OK >> GO TO 4. NG >> Adjust control cable. Refer to AT-261, "Control Cable
Adjustment" .

G
SCIA0706E
H I J K L M

4. CHECK STARTING SYSTEM
Check starting system. Refer to SC-7, "STARTING SYSTEM" . OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

SAT023JB

Revision: December 2006

AT-221

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed

ECS005YQ

SYMPTOM: Vehicle moves when it is pushed forward or backward with selector lever in "P" position.

1. CHECK CONTROL CABLE
Check control cable. Refer to AT-261, "Control Cable Adjustment" OK or NG
OK >> GO TO 2. NG >> Adjust control cable. Refer to AT-261, "Control Cable
Adjustment" .

2. CHECK PARKING COMPONENTS
Check parking components. Refer to AT-266, "Components" . OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

SAT023JB

SAT282F

Revision: December 2006

AT-222

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. In "N" Position, Vehicle Moves
SYMPTOM: Vehicle moves forward or backward when selecting "N" position.
1. CHECK CONTROL CABLE
Check control cable. Refer to AT-261, "Control Cable Adjustment" . OK or NG
OK >> GO TO 2. NG >> Adjust control cable. Refer to AT-261, "Control Cable
Adjustment" .

[RE4F03B]
ECS005YR
A
B
AT
D
E

2. CHECK A/T FLUID LEVEL
Check A/T fluid level again. OK or NG
OK >> GO TO 3. NG >> Refill ATF.

SAT023JB

3. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 4. NG >> 1. Disassemble A/T.
2. Check the following items: Forward clutch assembly Overrun clutch assembly Reverse clutch assembly

SAT638A

4. CHECK SYMPTOM

SAT171B

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-223

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
5. Large Shock. "N" "R" Position
SYMPTOM: There is large shock when changing from "N" to "R" position.

[RE4F03B]
ECS005YS

1. CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle position sensor [accelerator pedal position (APP) sensor] circuit?
Yes or No
Yes >> Check damaged circuit. Refer to AT-119, "DTC P0710 A/ T FLUID TEMPERATURE SENSOR CIRCUIT" , AT172, "DTC P0745 LINE PRESSURE SOLENOID VALVE" or AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .
No >> GO TO 2.
2. CHECK LINE PRESSURE

SAT831HA

Check line pressure at idle with selector lever in "D" position. Refer to AT-67, "Line Pressure Test" .
OK or NG OK >> GO TO 3. NG >> 1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items:
Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
Line pressure solenoid valve
Oil pump assembly
3. CHECK SYMPTOM

SAT494G

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-224

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
6. Vehicle Does Not Creep Backward In "R" Position
SYMPTOM: Vehicle does not creep backward when selecting "R" position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level again. OK or NG
OK >> GO TO 2. NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in "R" position. Refer to AT-67, "Line Pressure Test" . OK or NG
OK >> GO TO 3. NG >> 1. Remove control valve assembly. Refer to AT-258,
"REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot filter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following item: Oil pump assembly
3. CHECK STALL TEST
Check stall revolution with selector lever in "1" and "R" positions. OK or NG
OK >> GO TO 4. OK in "1" position, NG in "R" position>>1.Disassemble A/T.
2. Check the following items: Reverse clutch assembly NG in both "1" and "R" positions>> GO TO 6.

[RE4F03B]
ECS005YT
A

SAT638A

SAT494G

SAT493G

Revision: December 2006

AT-225

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 5. NG >> GO TO 6.

[RE4F03B]

5. CHECK SYMPTOM

SAT171B

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
6. DETECT MALFUNCTIONING ITEM

1. Disassemble A/T. 2. Check the following items: Reverse clutch assembly High clutch assembly Low & reverse brake assembly Forward clutch assembly Overrun clutch assembly OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-226

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position
SYMPTOM: Vehicle does not creep forward when selecting "D", "2" or "1" position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level again. OK or NG
OK >> GO TO 2. NG >> Refill ATF.
2. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in "D" position. Refer to AT-67, "Line Pressure Test" . OK or NG
OK >> GO TO 3. NG >> 1. Remove control valve assembly. Refer to AT-258,
"REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator
valve, pressure modifier valve, pilot valve and pilot filter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following item: Oil pump assembly
3. CHECK STALL TEST
Check stall revolution with selector lever in "D" position. Refer to AT63, "Stall Test" . OK or NG
OK >> GO TO 4. NG >> GO TO 6.

[RE4F03B]
ECS005YU
A

SAT638A

SAT494G

SAT493G

Revision: December 2006

AT-227

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 5. NG >> GO TO 6.

[RE4F03B]

5. CHECK SYMPTOM

SAT171B

1. Disassemble A/T. 2. Check the following items: Forward clutch assembly Forward one-way clutch Low one-way clutch Reverse clutch assembly High clutch assembly OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-228

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D1
SYMPTOM: Vehicle cannot be started from D1 on Cruise Test -- Part 1.

[RE4F03B]
ECS005YV
A

B
1. CHECK SYMPTOM

Is "6. Vehicle Does Not Creep Backward In R Position" OK?

Yes or No

Yes >> GO TO 2.

No >> Go to AT-225, "6. Vehicle Does Not Creep Backward In "R" Position" .

2. CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-

olution sensor), overrun clutch solenoid valve, torque converter

clutch solenoid valve, shift solenoid valve A, B or vehicle speed sen-

sor·MTR after cruise test?

Yes or No

Yes >> Check damaged circuit. Refer to AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT-158, "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" , AT-178, "DTC P0750 SHIFT SOLENOID VALVE A" , AT-182, "DTC P0755 SHIFT SOLENOID VALVE B" , AT-192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" or AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR" .
No >> GO TO 3.

SAT695K

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sen-

sor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" .

OK or NG

OK >> GO TO 4.

NG >> Repair or replace throttle position sensor [accelerator

pedal position (APP) sensor].

4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in "D" position. Refer to AT-67, "Line Pressure Test" . OK or NG
OK >> GO TO 5. NG >> GO TO 8.

M
LCIA0110E

Revision: December 2006

AT-229

SAT494G
2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
5. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 6. NG >> GO TO 8.

[RE4F03B]

6. DETECT MALFUNCTIONING ITEM

SAT171B

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items: Shift valve A Shift valve B Shift solenoid valve A Shift solenoid valve B Pilot valve Pilot filter OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-230

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
8. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items: Shift valve A Shift valve B Shift solenoid valve A Shift solenoid valve B Pilot valve Pilot filter 3. Disassemble A/T. 4. Check the following items: High clutch assembly Torque converter Oil pump assembly Reverse clutch assembly Low and reverse brake assembly OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-231

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2

ECS005YW

SYMPTOM: A/T does not shift from D1 to D2 at the specified speed. A/T does not shift from D4 to D2 when depressing accelerator pedal fully at the specified speed.

1. CHECK SYMPTOM
Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" and "8. Vehicle Cannot Be Started From D1 " OK? Yes or No
Yes >> GO TO 2. No >> Go to AT-227, "7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position" , AT-229, "8. Vehicle
Cannot Be Started From D1" .
2. CHECK CONTROL CABLE
Check control cable. Refer to AT-261, "Control Cable Adjustment" OK or NG
OK >> GO TO 3. NG >> Adjust control cable. Refer to AT-261, "Control Cable
Adjustment" .

SAT023JB
3. CHECK VEHICLE SPEED SENSOR·A/T AND CHECK VEHICLE SPEED SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer to AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR" . OK or NG
OK >> GO TO 4. NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR
circuits.
4. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" . OK or NG
OK >> GO TO 5. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].
LCIA0110E

Revision: December 2006

AT-232

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
5. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 6. NG >> GO TO 8.

[RE4F03B]
A B AT

6. DETECT MALFUNCTIONING ITEM

SAT171B
E

1. Remove control valve. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve A

Shift valve B

Shift solenoid valve A

Shift solenoid valve B

Pilot valve

Pilot filter

OK or NG

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

7. CHECK SYMPTOM

Check again.

OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

8. DETECT MALFUNCTIONING ITEM

1. Remove control valve. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve A

Shift valve B

Shift solenoid valve A

Shift solenoid valve B

Pilot valve

Pilot filter

3. Disassemble A/T.

4. Check the following items:

Servo piston assembly

Brake band

OK or NG

OK >> GO TO 7. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-233

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
10. A/T Does Not Shift: D2 D3
SYMPTOM: A/T does not shift from D2 to D3 at the specified speed.

[RE4F03B]
ECS005YX

1. CHECK SYMPTOM
Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" and "8. Vehicle Cannot Be Started From D1 " OK? Yes or No
Yes >> GO TO 2. No >> Go to AT-227, "7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position" , AT-229, "8. Vehicle
Cannot Be Started From D1" .
2. CHECK PNP SWITCH CIRCUIT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to PNP switch circuit?
Without CONSULT-II Does self-diagnosis show damage to PNP switch circuit? Yes or No
Yes >> Check PNP switch circuit. Refer to AT-114, "DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH" .
No >> GO TO 3.

SCIA0706E
3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" . OK or NG
OK >> GO TO 4. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].
LCIA0110E

Revision: December 2006

AT-234

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 5. NG >> GO TO 7.

[RE4F03B]
A B AT

5. DETECT MALFUNCTIONING ITEM

SAT171B
E

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve B

Shift solenoid valve B

Pilot valve

Pilot filter

OK or NG

OK >> GO TO 6.

NG >> Repair or replace damaged parts.

6. CHECK SYMPTOM

Check again. J
OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

7. DETECT MALFUNCTIONING ITEM L

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve B

Shift solenoid valve B

Pilot valve

Pilot filter

3. Disassemble A/T.

4. Check the following items:

Servo piston assembly

High clutch assembly

Brake band

OK or NG

OK >> GO TO 6. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-235

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
11. A/T Does Not Shift: D3 D4
SYMPTOM: G A/T does not shift from D3 to D4 at the specified speed. G A/T must be warm before D3 to D4 shift will occur.

[RE4F03B]
ECS005YY

With CONSULT-II Does self-diagnosis, after cruise test, show damage to any of the following circuits?

G PNP switch

G Overdrive control switch

G A/T fluid temperature sensor

G Vehicle speed sensor·A/T (revolution sensor)

G Shift solenoid valve A or B

G Vehicle speed sensor·MTR

Yes or No

Yes >> Check damaged circuit. Refer to AT-114, "DTC P0705

SAT833HB

PARK/NEUTRAL POSITION (PNP) SWITCH" , AT-119, "DTC P0710 A/T FLUID TEMPERATURE

SENSOR CIRCUIT" , AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION

SENSOR)" , AT-178, "DTC P0750 SHIFT SOLENOID VALVE A" , AT-182, "DTC P0755 SHIFT

SOLENOID VALVE B" , AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SEN-

SOR·MTR" .

No >> GO TO 3.

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" .
OK or NG
OK >> GO TO 4. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

LCIA0110E

Revision: December 2006

AT-236

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 5. NG >> GO TO 7.

[RE4F03B]
A B AT

5. DETECT MALFUNCTIONING ITEM

SAT171B
E

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve A

Overrun clutch control valve

Shift solenoid valve A

Pilot valve

Pilot filter

OK or NG

OK >> GO TO 6.

NG >> Repair or replace damaged parts.

6. CHECK SYMPTOM

J Check again.

OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

7. DETECT MALFUNCTIONING ITEM

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Shift valve A

Overrun clutch control valve

Shift solenoid valve A

Pilot valve

Pilot filter

3. Disassemble A/T.

4. Check the following items:

Servo piston assembly

Brake band

OK or NG

OK >> GO TO 6. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-237

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Perform Lock-up
SYMPTOM: A/T does not perform lock-up at the specified speed.

[RE4F03B]
ECS005YZ

1. CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to A/T fluid temperature sensor, vehicle speed sensor·A/T (revolution sensor), engine speed signal, torque converter clutch solenoid valve, or vehicle speed sensor·MTR circuit after cruise test?
Yes or No
Yes >> Check torque converter clutch solenoid valve circuit. Refer to AT-119, "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" , AT-125, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT-130, "DTC P0725 ENGINE SPEED SIGNAL" , AT158, "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" , and AT-202, "DTC VHCL SPEED SEN·MTR VEHICLE SPEED SENSOR·MTR" .
No >> GO TO 2.

SAT696K

2. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" .
OK or NG
OK >> GO TO 3. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

3. DETECT MALFUNCTIONING ITEM

LCIA0110E

1. Remove control valve. Refer to AT-258, "REMOVAL" . 2. Check the following items: Torque converter clutch control valve Torque converter relief valve Pilot valve Pilot filter 3. Remove A/T. 4. Check torque converter. OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.
4. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-238

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
13. A/T Does Not Hold Lock-up Condition
SYMPTOM: A/T does not hold lock-up condition for more than 30 seconds.
1. CHECK DIAGNOSTIC RESULTS
Does self-diagnosis show damage to engine speed signal circuit after cruise test? Yes or No
Yes >> Check engine speed signal circuit. Refer to AT-130, "DTC P0725 ENGINE SPEED SIGNAL" .
No >> GO TO 2.

[RE4F03B]
ECS005Z0
A
B
AT
D
E

2. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 3. NG >> GO TO 5.

SAT835H

G H

3. DETECT MALFUNCTIONING ITEM

SAT171B
K

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items:

Torque converter clutch control valve

Pilot valve

Pilot filter

OK or NG

OK >> GO TO 4. NG >> Repair or replace damaged parts.

4. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-239

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items: Torque converter clutch control valve Pilot valve Pilot filter 3. Disassemble A/T. 4. Check torque converter and oil pump assembly. OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.

[RE4F03B]

Revision: December 2006

AT-240

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
14. Lock-up Is Not Released
SYMPTOM: Lock-up is not released when accelerator pedal is released.
1. CHECK THROTTLE POSITION SWITCH CIRCUIT

[RE4F03B]
ECS005Z1
A
B

With CONSULT-II

Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to closed throttle position switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to closed throttle position switch

circuit?

Yes or No

Yes >> Check closed throttle position switch circuit. Refer to AT-

114, "DTC P0705 PARK/NEUTRAL POSITION (PNP)

SWITCH" .

No >> GO TO 2. F

2. CHECK SYMPTOM

SCIA0706E

Check again.

OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-241

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )

ECS005Z2

SYMPTOM:

G Engine speed does not smoothly return to idle when A/T shifts from D4 to D3 . G Vehicle does not decelerate by engine brake when turning overdrive control switch OFF. G Vehicle does not decelerate by engine brake when shifting A/T from "D" to "2" position.

1. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve circuit after cruise test? Yes or No
Yes >> Check overrun clutch solenoid valve circuit. Refer to AT192, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" .
No >> GO TO 2.

SAT836H
2. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-205, "DTC P0122, P0123 TP SENSOR" . OK or NG
OK >> GO TO 3. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

3. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 4. NG >> GO TO 6.

LCIA0110E

SAT171B

Revision: December 2006

AT-242

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-258, "REMOVAL" . 2. Check the following items: Overrun clutch control valve Overrun clutch reducing valve Overrun clutch solenoid valve OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.
5. CHECK SYMPTOM

[RE4F03B]
A B AT D

Check again.

OK or NG

OK >> INSPECTION END

NG >> 1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

6. DETECT MALFUNCTIONING ITEM

1. Remove control valve assembly. Refer to AT-258, "REMOVAL" .

2. Check the following items: H
Overrun clutch control valve

Overrun clutch reducing valve

Overrun clutch solenoid valve

3. Disassemble A/T.

4. Check the following items:

Overrun clutch assembly

OK or NG

OK >> GO TO 5.

NG >> Repair or replace damaged parts.

16. Vehicle Does Not Start From D1

ECS005Z3

SYMPTOM:

Vehicle does not start from D1 on Cruise test -- Part 2.

M
SAT934FA

Revision: December 2006

AT-243

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
2. CHECK SYMPTOM

[RE4F03B]

Check again. OK or NG
OK >> Go to AT-229, "8. Vehicle Cannot Be Started From D1" . NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

Revision: December 2006

AT-244

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch "ON"

"OFF"

A
ECS005Z4

SYMPTOM: A/T does not shift from D4 to D3 when changing overdrive control switch to "OFF" position.
B

1. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
AT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to overdrive control switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to overdrive control switch cir-

cuit?

Yes or No

Yes >> Check overdrive control switch circuit. Refer to AT-248,

"21. TCM Self-diagnosis Does Not Activate {Park/neu-

tral Position (PNP), Overdrive Control and Throttle Posi-

tion Sensor [Accelerator Pedal Position (APP) Sensor]

Switches Circuit Checks}" .

No >> Go to AT-234, "10. A/T Does Not Shift: D2 D3" . G

SCIA0706E

Revision: December 2006

AT-245

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

18. A/T Does Not Shift: D3 22 , When Selector Lever "D" "2" Position ECS005Z5

SYMPTOM: A/T does not shift from D3 to 22 when changing selector lever from "D" to "2" position.

1. CHECK PNP SWITCH CIRCUIT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to PNP switch circuit?
Without CONSULT-II Does self-diagnosis show damage to PNP switch circuit? Yes or No
Yes >> Check PNP switch circuit. Refer to AT-114, "DTC P0705 PARK/NEUTRAL POSITION (PNP) SWITCH"
No >> Go to AT-232, "9. A/T Does Not Shift: D1 D2 Or Does Not Kickdown: D4 D2" .

SCIA0706E

Revision: December 2006

AT-246

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS

[RE4F03B]

19. A/T Does Not Shift: 22 11 , When Selector Lever "2" "1" Position ECS005Z6

SYMPTOM:

A/T does not shift from 22 to 11 when changing selector lever from "2" to "1" position.

B
1. CHECK PNP SWITCH CIRCUIT

With CONSULT-II

Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to PNP switch circuit?

Without CONSULT-II

Does self-diagnosis show damage to PNP switch circuit?

Yes or No

Yes >> Check PNP switch circuit. Refer to AT-114, "DTC P0705

PARK/NEUTRAL POSITION (PNP) SWITCH" .

No >> GO TO 2.

2. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

SCIA0706E

K
SAT778B
L

Revision: December 2006

AT-247

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
20. Vehicle Does Not Decelerate By Engine Brake
SYMPTOM: Vehicle does not decelerate by engine brake when shifting from 22 (12 ) to 11 .

[RE4F03B]
ECS005Z7

1. CHECK SYMPTOM

Is "6. Vehicle Does Not Creep Backward In R Position" OK?
Yes or No Yes >> Go to AT-242, "15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )" . No >> Go to AT-225, "6. Vehicle Does Not Creep Backward In "R" Position" .

21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Over-

drive Control and Throttle Position Sensor [Accelerator Pedal Position (APP)

Sensor] Switches Circuit Checks}

ECS006GY

SYMPTOM: O/D OFF indicator lamp does not come on in TCM self-diagnostic procedure even if the lamp circuit is good.

DESCRIPTION
G Park/neutral position (PNP) switch The park/neutral (PNP) switch assembly includes a transmission range switch. The transmission range switch detects the selector lever position and sends a signal to the TCM.

G Overdrive control switch Detects the overdrive control switch position (ON or OFF) and sends a signal to the TCM.

G Throttle position sensor [accelerator pedal position (APP) sensor] The throttle position sensor [accelerator pedal position (APP) sensor] is part of the system that controls the throttle position. This system also uses an electric throttle control actuator, which consists of a throttle control motor and throttle position sensors. Accelerator pedal position signal is sent to the ECM.

Revision: December 2006

AT-248

SAT088JA
SAT360H
LCIA0110E
2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
DIAGNOSTIC PROCEDURE NOTE: The diagnostic procedure includes inspections for the overdrive control switch circuits.

[RE4F03B]
A

1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (WITH CONSULT-II)

With CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.)
2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out P/N, R, D, 2 and 1 position switches moving selector lever to each position. Check that the signal of the selector lever position is indicated properly.
OK or NG
OK >> GO TO 2. NG >> Check the following items:
G PNP switch (Refer to AT-114, "DTC P0705 PARK/ NEUTRAL POSITION (PNP) SWITCH"
G Harness for short or open between ignition switch and PNP switch
G Harness for short or open between PNP switch and TCM
2. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT (WITH CONSULT-II)

AT D E
F G
SAT701J
H

With CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.)
2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out "OVERDRIVE SW". Check the signal of the overdrive control switch is indicated properly. (Overdrive control switch "ON" displayed on CONSULT-II means overdrive "OFF".)
OK or NG
OK >> GO TO 3. NG >> Check the following items:
G Overdrive control switch (Refer to AT-250, "Overdrive Control Switch"
G Harness for short or open between TCM and overdrive control switch
G Harness of ground for overdrive control switch for short or open

I J K L M
SAT645J

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

G Perform throttle position sensor [accelerator pedal position (APP) sensor] inspection. Refer to AT-186, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .
OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-249

2006 Sentra

TROUBLE DIAGNOSES FOR SYMPTOMS
4. CHECK TCM INSPECTION

[RE4F03B]

1. Perform AT-249, "DIAGNOSTIC PROCEDURE" OK or NG
OK >> INSPECTION END. NG >> G Perform TCM input/output signal inspection.
G If NG, recheck TCM pin terminals for damage or loose connections with harness connector.
COMPONENT INSPECTION Overdrive Control Switch G Check continuity between terminals 1 and 2.

Switch position RELEASED DEPRESSED

Continuity No Yes

WAT205
PNP Switch 1. Check continuity between terminals 1 and 2 and between termi-
nals 3 and 4, 5, 6, 7, 8, 9 while moving manual shaft through each position.

Lever position P R N D 2 1

3 -- 7 3 -- 8 3 -- 9 3 -- 6 3 -- 5 3 -- 4

Terminal No.

1 -- 2 1 -- 2

2. If NG, check again with manual control cable disconnected from manual shaft of A/T assembly. Refer to step 1.
3. If OK on step 2, adjust manual control cable. Refer to AT-261, "Control Cable Adjustment" .
4. If NG on step 2, remove PNP switch from A/T and check continuity of PNP switch terminals. Refer to step 1.
5. If OK on step 4, adjust PNP switch. Refer to AT-261, "Park/Neutral Position (PNP) Switch Adjustment" .
6. If NG on step 4, replace PNP switch.

Revision: December 2006

AT-250

WAT204
SAT089JA
2006 Sentra

A/T SHIFT LOCK SYSTEM

[RE4F03B]

A/T SHIFT LOCK SYSTEM Description

PFP:34950
A
ECS006H0

G The mechanical key interlock mechanism also operates as a shift lock: With the key switch turned to ON, the selector lever cannot be shifted from "P" (parking) to any other posi- B tion unless the brake pedal is depressed. With the key removed, the selector lever cannot be shifted from "P" to any other position. The key cannot be removed unless the selector lever is placed in "P". AT
G The shift lock and key interlock mechanisms are controlled by the ON-OFF operation of the shift lock solenoid and by the operation of the rotator and slider located inside the key cylinder.

Shift Lock System Electrical Parts Location

ECS006H1

Revision: December 2006

AT-251

SAT862J
2006 Sentra

A/T SHIFT LOCK SYSTEM Wiring Diagram -- SHIFT --

[RE4F03B]
ECS006H2

Revision: December 2006

AT-252

WCWA0126E
2006 Sentra

A/T SHIFT LOCK SYSTEM

[RE4F03B]

Diagnostic Procedure
SYMPTOM 1:

ECS006H3
A

G Selector lever cannot be moved from "P" position with key in ON position and brake pedal applied. B
G Selector lever can be moved from "P" position with key in ON position and brake pedal released.

G Selector lever can be moved from "P" position when key is removed from key cylinder.

SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to "P" position. It can be removed when

selector lever is set to any position except "P".

D
1. CHECK KEY INTERLOCK CABLE

Check key interlock cable for damage.

OK or NG

OK >> GO TO 2.

NG >> Repair key interlock cable. Refer to AT-636, "Components" .

2. CHECK SELECTOR LEVER POSITION

Check selector lever position for damage. OK or NG
OK >> GO TO 3. NG >> Check selector lever. Refer to AT-641, "Control Cable Adjustment" .
3. CHECK POWER SOURCE

Turn ignition switch to "ON" position. (Do not start engine.)
G Check voltage between A/T device harness connector M44 terminal 7 (G) and ground.

Voltage: Brake pedal depressed: Brake pedal released:
OK or NG OK >> GO TO 5. NG >> GO TO 4.

Battery voltage 0V

G H

WCIA0404E

Revision: December 2006

AT-253

2006 Sentra

A/T SHIFT LOCK SYSTEM
4. DETECT MALFUNCTIONING ITEM

[RE4F03B]

Check the following items.
1. Harness for open or short between fuse block (J/B) connector M1 terminal 12K and stop lamp switch harness connector M26 terminal 3.
2. Harness for open or short stop lamp switch harness connector M26 terminal 4 and A/T device harness connector M44 terminal 7 (G).
3. 10A fuse [10, located in the fuse block (J/B)].
4. Check continuity between stop lamp switch harness connector M26 terminals 3 (G) and 4 (G).

Condition When brake pedal is depressed When brake pedal is released

Continuity Yes No

Check stop lamp switch after adjusting brake pedal --refer to BR-12, "STOP LAMP SWITCH AND ASCD CANCEL SWITCH CLEARANCE"
OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.
5. CHECK GROUND CIRCUIT

SCIA2126E

1. Turn ignition switch to "OFF" position. 2. Disconnect A/T device harness connector. 3. Check continuity between A/T device harness M44 terminal 6 (B) and ground.
Continuity should exist
Continuity should exist. If OK, check harness for short to power. OK or NG OK >> GO TO 6. NG >> Repair open circuit in harness.

6. CHECK PARK POSITION SWITCH

Check continuity between A/T device harness connector M44 terminals 6 (B) and 7 (G).

Selector lever position
"P" position
Other position
OK or NG OK >> GO TO 7. NG >> Replace park position switch.

Continuity Yes No

Revision: December 2006

AT-254

SCIA0784E
LAT232
2006 Sentra

A/T SHIFT LOCK SYSTEM

7. CHECK SHIFT LOCK SOLENOID
1. Connect A/T device harness connector. 2. Turn ignition switch to "ON" position. 3. Check operation sound.

Condition When ignition switch is turned to "ON" position and selector lever is in the "P" position.
OK or NG OK >> GO TO 8. NG >> Replace shift lock solenoid.
8. CHECK SHIFT LOCK OPERATION

Brake pedal Depressed Released

Operation sound Yes No

1. Reconnect shift lock harness connector. 2. Turn ignition switch from "OFF" to "ON" position. (Do not start engine.) 3. Recheck shift lock operation. OK or NG
OK >> INSPECTION END NG >> GO TO .9
9. CHECK A/T DEVICE INSPECTION

1. Perform A/T device input/output signal inspection test. 2. If NG, recheck harness connector connection. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-255

2006 Sentra

KEY INTERLOCK CABLE
KEY INTERLOCK CABLE Components

[RE4F03B]
PFP:34908
ECS005ZD

WAT242
CAUTION: G Install key interlock cable in such a way that it will not be damaged by sharp bends, twists or inter-
ference with adjacent parts.
G After installing key interlock cable to control device, make sure that casing cap and bracket are firmly secured in their positions.

Removal

ECS005ZE

1. Unlock slider by squeezing lock tabs on slider from adjuster holder and remove interlock rod from cable.

Revision: December 2006

AT-256

SAT853J
2006 Sentra

KEY INTERLOCK CABLE
2. Remove lock plate from steering lock assembly and remove key interlock cable.
Installation
1. Turn ignition key to lock position. 2. Set A/T selector lever to "P" position. 3. Set key interlock cable to steering lock assembly and install lock
plate. 4. Clamp cable to steering column and attach to control cable with
band.
5. Insert interlock rod into adjuster holder.
6. Install casing cap to bracket. 7. Move slider in order to connect adjuster holder to interlock rod.

[RE4F03B]
A B AT
SAT854J
D
ECS005ZF
E
F G
SAT854J
H
I J
K
SAT804E
L
M
SAT805E

Revision: December 2006

AT-257

2006 Sentra

ON-VEHICLE SERVICE ON-VEHICLE SERVICE Control Valve Assembly and Accumulators
REMOVAL 1. Drain ATF from transaxle. 2. Remove oil pan and gasket.
G Always replace oil pan bolts as they are self-sealing bolts.
3. Disconnect A/T solenoid valve harness connector.
4. Remove stopper ring from A/T solenoid harness terminal body. 5. Remove A/T solenoid harness by pushing terminal body into
transmission case.

[RE4F03B]
PFP:00000
ECS005ZG
SAT992C
AAT264A
AAT265A

Revision: December 2006

AT-258

2006 Sentra

ON-VEHICLE SERVICE
6. Remove control valve assembly mounting bolts A, B and C.

[RE4F03B]
A

Bolt length, number and location:

Bolt symbol

Bolt length "l"

40.0 mm (1.575 in)

Number of bolts

B 33.0 mm (1.299 in)
6

C 43.5 mm (1.713 in)
2

G
AAT260A
H
I

G Be careful not to drop manual valve and servo release accumulator return springs.

7. Disassemble and inspect control valve assembly if necessary. Refer to AT-296, "Components" .

8. Remove servo release and N-D accumulators by applying com-

pressed air if necessary.

G Hold each piston with a clean, lint-free towel.

M
SAT935J

Revision: December 2006

AT-259

2006 Sentra

ON-VEHICLE SERVICE
INSTALLATION G Tighten mounting bolts A, B and C to specification.
: 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)

[RE4F03B]

G Set manual shaft in Neutral position, then align manual plate with groove in manual valve.
G After installing control valve assembly to transmission case, make sure that selector lever can be moved to all positions.

AAT260A SAT497H

Revision: December 2006

AT-260

2006 Sentra

ON-VEHICLE SERVICE

Control Cable Adjustment
Move selector lever from the "P" position to the "1" position. You should be able to feel the detents in each position. If the detents cannot be felt or if the pointer indicating the position is improperly aligned, the control cable needs adjustment.
1. Place selector lever in "P" position.
2. Loosen control cable lock nut and place manual shaft in "P" position.
3. Push control cable, by specified force, in the direction of the arrow shown in the illustration.

Specified force

: 9.8 N (1.0 kg, 2.2 lb)

4. Release control cable in the opposite direction of the arrow for 1.0 mm (0.039 in).
5. Tighten control cable lock nut by hand. 6. Tighten control cable lock nut.

: 11.8 - 14.7 N·m (1.20 - 1.50 kg-m, 8.7 - 10.8 ft-lb)

7. Move selector lever from "P" to "1" position again. Make sure that selector lever moves smoothly.
8. Apply grease to contacting areas of selector lever and control cable. Install any part removed.
Park/Neutral Position (PNP) Switch Adjustment
1. Remove control cable end from manual shaft. 2. Set manual shaft in "N" position. 3. Loosen PNP switch fixing bolts.

4. Use a 4 mm (0.157 in) pin for this adjustment. a. Insert the pin straight into the manual shaft adjustment hole.
b. Rotate PNP switch until the pin can also be inserted straight into hole in PNP switch.
5. Tighten PNP switch fixing bolts. 6. Remove pin from adjustment hole after adjusting PNP switch.
7. Reinstall any part removed. 8. Adjust control cable. Refer to AT-261, "Control Cable Adjust-
ment" . 9. Check continuity of PNP switch. Refer to AT-118, "Component
Inspection" .

Revision: December 2006

AT-261

[RE4F03B]
ECS005ZH
A B AT D E F G
AAT980
H
ECS005ZI
I J K
SAT479J
L M
SAT480J
2006 Sentra

ON-VEHICLE SERVICE Differential Side Oil Seal Replacement
1. Remove drive shaft assemblies using Tool. Refer to FAX-14, "Removal" .
2. Remove oil seals.
3. Install oil seals using Tool. G Apply ATF to oil seal surface before installing.

G Install oil seals so that dimensions "A" and "B" are within specifications.
Unit: mm (in)

A 5.5 - 6.5 (0.217 - 0.256)

B -0.5 to 0.5 (-0.020 to 0.020)

4. Reinstall any part removed.

Revolution Sensor Replacement
1. Disconnect revolution sensor harness connector. 2. Remove harness bracket from A/T. 3. Remove revolution sensor from A/T. 4. Reinstall any part removed. Always use new sealing parts.

[RE4F03B]
ECS005ZJ
SAT905D
AAT976
WAT141 ECS005ZK
SAT303G

Revision: December 2006

AT-262

2006 Sentra

REMOVAL AND INSTALLATION
REMOVAL AND INSTALLATION Removal
CAUTION: Before separating transaxle from engine, remove the crankshaft position sensor (OBD) from transaxle. Be careful not to damage sensor. 1. Remove battery and bracket. 2. Remove air duct between throttle body and air cleaner. 3. Disconnect terminal cord assembly, PNP switch harness con-
nector and revolution sensor harness connector.
4. Drain ATF from transaxle. 5. Disconnect control cable from transaxle. 6. Disconnect oil cooler hoses. 7. Remove drive shafts. Refer to FAX-14, "Removal" . 8. Remove the intake manifold support bracket. Refer to EM-15,
"Removal and Installation" . 9. Remove starter motor from transaxle.
Tighten bolts to specified torque.
: 33.3 - 46.1 N·m (3.4 - 4.7 kg-m, 25 - 34 ft-lb) 10. Remove upper bolts fixing transaxle to engine. 11. Support transaxle with a jack. 12. Remove center member.
G Tighten center member fixing bolts to specified torque, Refer to EM-68, "INSTALLATION" .

[RE4F03B]
PFP:00000
A
ECS005ZL
B
AT
D
E
F
G
H
SAT501HA
I
J
K
L
SAT304G
M

Revision: December 2006

AT-263

AAT469
2006 Sentra

REMOVAL AND INSTALLATION

13. Remove rear plate cover. 14. Remove torque converter bolts.
Rotate crankshaft to gain access to securing bolts. 15. Remove rear transaxle to engine bracket. Refer to EM-66,
"REMOVAL" . 16. Support engine with a jack. 17. Remove rear transaxle mount. Refer to EM-65 . 18. Remove lower bolts fixing transaxle to engine. 19. Lower transaxle while supporting it with a jack.

Installation
1. When connecting torque converter to transaxle, measure distance "A" to be certain that they are correctly assembled.

Distance "A"

: 21.1 mm (0.831 in)

2. Install torque converter to drive plate.
G With converter installed, rotate crankshaft several turns to check that transaxle rotates freely without binding.

[RE4F03B]
AAT259A ECS005ZM
SAT573D

3. Tighten bolts fixing transaxle.

Bolt No.
1 2 3

Tightening torque N·m (kg-m, ft-lb) 30 - 40 (3.1 - 4.1, 23 - 29) 16 - 20 (1.6 - 2.1, 12 - 15) 31 - 40 (3.1 - 4.1, 23 - 29)

Bolt length "l " mm (in) 50 (1.97) 25 (0.98) 30 (1.18)

AAT266A SAT029K

Revision: December 2006

AT-264

2006 Sentra

REMOVAL AND INSTALLATION
4. Reinstall any part removed. 5. Adjust control cable. Refer to AT-261, "Control Cable Adjust-
ment" . 6. Check continuity of PNP switch. Refer to AT-118, "PARK/NEU-
TRAL POSITION SWITCH" . 7. Refill transaxle with ATF and check fluid level. 8. Move selector lever through all positions to be sure that tran-
saxle operates correctly. With parking brake applied, idle engine. Move selector lever through "N" to "D", to "2", to "1" and "R" positions. A slight shock should be felt through the hand gripping the selector each time the transaxle is shifted. 9. Perform road test. Refer to AT-68, "Road Test" .

[RE4F03B]
A B AT
SAT638A
D E F G H I J K L M

Revision: December 2006

AT-265

2006 Sentra

OVERHAUL Components

OVERHAUL

[RE4F03B]
PFP:00000
ECS005ZN

Revision: December 2006

AT-266

WAT404
2006 Sentra

OVERHAUL

[RE4F03B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-267

WCIA0218E
2006 Sentra

OVERHAUL

[RE4F03B]

Revision: December 2006

AT-268

WCIA0219E
2006 Sentra

Oil Channel

OVERHAUL

[RE4F03B]
ECS005ZO
A B AT D E F G H I J K L M

Revision: December 2006

AT-269

WAT405
2006 Sentra

OVERHAUL

[RE4F03B]

Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap

Rings

ECS005ZP

Revision: December 2006

AT-270

WAT246
2006 Sentra

Disassembly
1. Drain ATF through drain plug.

OVERHAUL

2. Remove torque converter.

3. Check torque converter one-way clutch using check tool as shown.
a. Insert check tool into the groove of bearing support built into one-way clutch outer race.
b. While fixing bearing support with check tool, rotate one-way clutch spline using flat-bladed screwdriver.
c. Check to make sure the inner race rotates clockwise only. If not, replace torque converter assembly.

[RE4F03B]
ECS005ZQ
A

D
WAT247
E

SAT008D

SAT009D

Revision: December 2006

AT-271

2006 Sentra

OVERHAUL
4. Remove oil charging pipe and oil cooler tube.

[RE4F03B]

5. Set manual shaft to "P" position. 6. Remove PNP switch.
7. Remove oil pan and oil pan gasket. G Always replace oil pan bolts as they are self-sealing bolts.
8. Check foreign materials in oil pan to help determine cause of malfunction. If the fluid is very dark, smells burned, or contains foreign particles, the frictional material (clutches, band) may need replacement. A tacky film that will not wipe clean indicates varnish build up. Varnish can cause valves, servo, and clutches to stick and may inhibit pump pressure. G If frictional material is detected, replace radiator after repair of A/T. Refer to CO-14, "Removal and Installation" .
9. Remove control valve assembly according to the following procedures.

SAT586H SAT023JB SAT128E

Revision: December 2006

AT-272

2006 Sentra

OVERHAUL
a. Remove control valve assembly mounting bolts A, B and C.

b. Remove stopper ring from terminal body. c. Push terminal body into transmission case and draw out sole-
noid harness.
10. Remove manual valve from control valve assembly as a precaution.

11. Remove return spring from servo release accumulator piston.

Revision: December 2006

AT-273

[RE4F03B]
A B AT D E F G
AAT260A
H I J
AAT262A
K L M
SAT017D
SAT877J
2006 Sentra

OVERHAUL
12. Remove servo release accumulator piston with compressed air. 13. Remove O-rings from servo release accumulator piston.
14. Remove N-D accumulator piston and return spring with compressed air.
15. Remove O-rings from N-D accumulator piston.
16. Check accumulator pistons and contact surface of transmission case for damage.
17. Check accumulator return springs for damage and free length. Return springs : Refer to AT-392, "RETURN SPRING" .
18.
Remove lip seals from band servo oil port.

19. Remove converter housing according to the following procedures.

Revision: December 2006

AT-274

[RE4F03B]
SAT019DA SAT020D SAT023DA SAT129E
2006 Sentra

OVERHAUL
a. Remove converter housing mounting bolts A and B.
b. Remove converter housing.
c. Remove O-ring from differential oil port.
20. Remove final drive assembly from transmission case.

[RE4F03B]
A

AT
SAT027D
D

G
SAT028D
H

SAT131E

SAT030D

Revision: December 2006

AT-275

2006 Sentra

OVERHAUL
21. Remove differential side bearing outer race from transmission case using Tool.
22. Remove differential side bearing adjusting shim from transmission case.
23. Remove differential side bearing outer race from converter housing using Tool.
24. Remove oil seal from converter housing using a screwdriver. G Be careful not to damage case.

[RE4F03B]
AAT477 SAT132E AAT478 SAT133E

Revision: December 2006

AT-276

2006 Sentra

OVERHAUL
25. Remove side oil seal from transmission case using a screwdriver.
26. Remove oil tube from converter housing.
27. Remove oil pump according to the following procedures. a. Remove O-ring from input shaft.
b.
Remove oil pump assembly from transmission case.

[RE4F03B]
A B AT
SAT072D
D E F G
SAT134EA
H I J K
SAT127E
L M
SAT035D

Revision: December 2006

AT-277

2006 Sentra

OVERHAUL
c. Remove thrust washer and bearing race from oil pump assembly.
28. Remove brake band according to the following procedures. a. Loosen lock nut, then back off anchor end pin.
G Do not reuse anchor end pin.
b. Remove brake band from transmission case.
G To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown. Leave the clip in position after removing the brake band.

[RE4F03B]
SAT036D SAT037DA SAT038D SAT039D

Revision: December 2006

AT-278

2006 Sentra

OVERHAUL
c. Check brake band facing for damage, cracks, wear or burns.
29. Remove input shaft assembly (high clutch) and reverse clutch according to the following procedures.
a. Remove input shaft assembly (high clutch) with reverse clutch. b. Remove input shaft assembly (high clutch) from reverse clutch.
c. Remove needle bearing from high clutch drum. d. Check input shaft assembly and needle bearing for damage or
wear.

[RE4F03B]
A B AT
SAT040D
D E F G
SAT041D
H I J K
SAT042D
L M
SAT043D

Revision: December 2006

AT-279

2006 Sentra

OVERHAUL
30. Remove high clutch hub and needle bearing from transmission case.
31. Check high clutch hub and needle bearing for damage or wear.
32. Remove front sun gear and needle bearings from transmission case.
33. Check front sun gear and needle bearings for damage or wear.
34. Remove front planetary carrier assembly and low one-way clutch according to the following procedures.
a. Remove snap ring using a screwdriver. G Do not expand snap ring excessively.
b. Remove front planetary carrier with low one-way clutch.

[RE4F03B]
SAT044D SAT579D SAT046D SAT047D

Revision: December 2006

AT-280

2006 Sentra

OVERHAUL
c. Check that low one-way clutch rotates in the direction of the arrow and locks in the opposite direction.

[RE4F03B]
A

AT
SAT048D
D d. Remove low one-way clutch from front planetary carrier by rotating it in the direction of unlock. e. Remove needle bearing from front planetary carrier.
E

f. Check front planetary carrier, low one-way clutch and needle bearing for damage or wear.
g. Check clearance between pinion washer and planetary carrier using feeler gauge.

Standard clearance : 0.15 - 0.70 mm (0.0059 - 0.0276 in)

Allowable limit

: 0.80 mm (0.0315 in)

Replace front planetary carrier if the clearance exceeds allowable limit.

35. Remove rear planetary carrier assembly and rear sun gear according to the following procedures.

G
SAT049D
H
I
J
K
SAT050D
L
M

a. Remove rear planetary carrier assembly from transmission case.

SAT051D

Revision: December 2006

AT-281

2006 Sentra

OVERHAUL
b. Remove rear sun gear from rear planetary carrier.

c. Remove needle bearings from rear planetary carrier assembly.

d. Check rear planetary carrier, rear sun gear and needle bearings for damage or wear.
e. Check clearance between pinion washer and rear planetary carrier using feeler gauge.

Standard clearance : 0.15 - 0.70 mm (0.0059 - 0.0276 in)

Allowable limit

: 0.80 mm (0.0315 in)

Replace rear planetary carrier if the clearance exceeds allowable limit.

36. Remove rear internal gear from transmission case.

37. Remove needle bearing from rear internal gear. G Check needle bearing for damage or wear.

Revision: December 2006

AT-282

[RE4F03B]
SAT052D SAT053D SAT054D SAT055D SAT056D
2006 Sentra

OVERHAUL
38. Remove forward clutch assembly from transmission case.
39. Remove thrust washer from transmission case.
40. Remove output shaft assembly according to the following procedures.
a. Remove side cover bolts. b. Remove side cover by lightly tapping it with a soft hammer.

[RE4F03B]
A

SAT272E

G
AAT215A
H

K
SAT059D
L

SAT434D
G Be careful not to drop output shaft assembly. It might come out when removing side cover.

Revision: December 2006

AT-283

2006 Sentra

c. Remove adjusting shim.

OVERHAUL

d. Remove output shaft assembly.

G If output shaft assembly came off with side cover, tap cover with a soft hammer to separate.
e. Remove needle bearing.

41. Disassemble reduction pinion gear according to the following procedures.

Revision: December 2006

AT-284

[RE4F03B]
SAT440D SAT439D SAT435D SAT453D SAT060D
2006 Sentra

OVERHAUL
a. Set manual shaft to position "P" to fix idler gear. b. Unlock idler gear lock nut using a pin punch. c. Remove idler gear lock nut.
G Do not reuse idler gear lock nut.
d. Remove idler gear with puller using Tool.
e. Remove reduction pinion gear. f. Remove adjusting shim from reduction pinion gear.
42. Remove return spring from parking shaft using a screwdriver.

Revision: December 2006

AT-285

[RE4F03B]
A

D
SAT061D
E

G
H
WAT234
I

SAT310G

WAT293

2006 Sentra

OVERHAUL
43. Draw out parking shaft and remove parking pawl from transmission case.
44. Check parking pawl and shaft for damage or wear.
45. Remove parking actuator support from transmission case. G Check parking actuator support for damage or wear.
46. Remove revolution sensor from transmission case.

[RE4F03B]
WAT142 SAT066D SAT311G

Revision: December 2006

AT-286

2006 Sentra

MANUAL SHAFT Components

MANUAL SHAFT

Removal
1. Remove detent spring from transmission case.
2. Drive out manual plate retaining pin using Tool.

[RE4F03B]
PFP:31920
A
ECS005ZR
B

G
WAT248
ECS005ZS
H

SAT313G

AAT486

Revision: December 2006

AT-287

2006 Sentra

MANUAL SHAFT
3. Drive and pull out parking rod plate retaining pin using Tool. 4. Remove parking rod plate from manual shaft. 5. Draw out parking rod from transmission case.
6. Pull out manual shaft retaining pin.

[RE4F03B]
AAT534

7. Remove manual shaft and manual plate from transmission case. 8. Remove manual shaft oil seal.

SAT049F

Inspection
G Check component parts for wear or damage. Replace if necessary.
Installation
1. Install manual shaft oil seal using a suitable tool. G Apply ATF to outer surface of oil seal.

Revision: December 2006

AT-288

SAT080D ECS005ZT ECS005ZU
SAT081D
2006 Sentra

MANUAL SHAFT
2. Install manual shaft and manual plate.
3. Align groove of manual shaft and hole of transmission case. 4. Install manual shaft retaining pin using Tool.
5. Install parking rod to parking rod plate. 6. Set parking rod assembly onto manual shaft.
7. Drive in manual plate retaining pin and parking rod plate retaining pin using Tool.

[RE4F03B]
A B AT
SAT610H
D E F G
AAT487
H I J K
SAT078D
L M
AAT485

Revision: December 2006

AT-289

2006 Sentra

MANUAL SHAFT
8. Install detent spring. : 6.4 - 7.5 N·m (0.65 - 0.76 kg-m, 56.4 - 66.0 in-lb)

[RE4F03B]
SAT313G

Revision: December 2006

AT-290

2006 Sentra

OIL PUMP Components

OIL PUMP

Disassembly
1. Remove seal rings.
2. Loosen bolts in numerical order and remove oil pump cover.

[RE4F03B]
PFP:15010
A
ECS005ZV
B

G
WCIA0220E
ECS005ZW
H

SAT699H

SAT091D

Revision: December 2006

AT-291

2006 Sentra

OIL PUMP
3. Remove inner and outer gear from oil pump housing.

[RE4F03B]

4. Remove O-ring from oil pump housing.

SAT092D

5. Remove oil pump housing oil seal.

SAT093D

Inspection
OIL PUMP HOUSING, OIL PUMP COVER, INNER GEAR AND OUTER GEAR
G Check for wear or damage.

SAT094D ECS005ZX

Revision: December 2006

AT-292

2006 Sentra

OIL PUMP

SIDE CLEARANCES
G Measure side clearance of inner and outer gears in at least four places around each outside edge. Maximum measured values should be within specified range.

Standard clearance : 0.02 - 0.04 mm (0.0008 - 0.0016 in)
G If clearance is less than standard, select inner and outer gear as a set so that clearance is within specifications.

Inner and outer gear

: Refer to AT-293, "SIDE CLEARANCES" .

G If clearance is more than standard, replace whole oil pump assembly except oil pump cover.

G Measure clearance between outer gear and oil pump housing.

Standard clearance : 0.08 - 0.15 mm (0.0031 - 0.0059 in)

Allowable limit

: 0.15 mm (0.0059 in)

G If not within allowable limit, replace whole oil pump assembly except oil pump cover.

SIDE RING CLEARANCE G Install new seal rings onto oil pump cover. G Measure clearance between seal ring and ring groove.

Standard clearance : 0.1 - 0.25 mm (0.0039 - 0.0098 in)

Allowable limit

: 0.25 mm (0.0098 in)

G If not within allowable limit, replace oil pump cover assembly.

[RE4F03B]
A B AT D E F G
SAT095D
H I J K
SAT096D
L M
SAT097D

Revision: December 2006

AT-293

2006 Sentra

OIL PUMP Assembly
1. Install oil seal on oil pump housing using Tool.
2. Install O-ring on oil pump housing. G Apply ATF to O-ring.
3. Install inner and outer gears on oil pump housing. G Take care with the direction of the inner gear.
4. Install oil pump cover on oil pump housing. a. Wrap masking tape around splines of oil pump cover assembly
to protect seal. Position oil pump cover assembly on oil pump housing assembly, then remove masking tape. b. Tighten bolts in numerical order.

Revision: December 2006

AT-294

[RE4F03B]
ECS005ZY SAT922D SAT093D SAT092D SAT101D
2006 Sentra

OIL PUMP
5. Install new seal rings carefully after packing ring groove with petroleum jelly. G Do not spread gap of seal ring excessively while installing. It may deform the ring.

[RE4F03B]
A B AT
SAT699H
D E F G H I J K L M

Revision: December 2006

AT-295

2006 Sentra

CONTROL VALVE ASSEMBLY
CONTROL VALVE ASSEMBLY Components

[RE4F03B]
PFP:31705
ECS005ZZ

1. Solenoid valve assembly 4. Terminal body 7. Support plate 10. Lower separating gasket 13. Pilot filter 16. Upper separating gasket 19. Check ball 22. T/C pressure holding spring

2. O-ring 5. Control valve lower body 8. Lower inter separating gasket 11. Steel ball 14. Upper inter separating gasket 17. Steel ball 20. Oil cooler relief valve spring 23. Check ball

3. Stopper ring 6. Oil strainer 9. Separating plate 12. Control valve inter body 15. Separating plate 18. Control valve upper body 21. O-ring

WAT407

Revision: December 2006

AT-296

2006 Sentra

CONTROL VALVE ASSEMBLY

Disassembly
G Disassemble upper, inter and lower bodies. Bolt length, number and location:

Bolt symbol Bolt length "l"

A
13.5 mm (0.531 in)

B
58.0 mm (2.283 in)

C
40.0 mm (1.575 in)

Number of bolts

F: Reamer bolt with nut

D
66.0 mm (2.598 in)
11

E
33.0 mm (1.299 in)
2

[RE4F03B]
ECS00600
A

F
78.0 mm (3.071 in)
2

18.0 mm
(0.709 in)
AT
1

1. Remove bolts A, D and F, and remove oil strainer from control valve assembly.

I
SAT869J
J
K

2. Remove solenoid valve assembly and line pressure solenoid valve from control valve assembly.
G Be careful not to lose the line pressure solenoid valve spring.

SAT083F

Revision: December 2006

AT-297

SAT316GA
2006 Sentra

CONTROL VALVE ASSEMBLY
3. Remove O-rings from solenoid valves and terminal body.

[RE4F03B]

4. Place upper body face down, and remove bolts B, C and F.

SAT317G

5. Remove lower body from inter body.

SAT064F

6. Turn over lower body, and accumulator support plates.

SAT432D

SAT109D

Revision: December 2006

AT-298

2006 Sentra

CONTROL VALVE ASSEMBLY
7. Remove bolts E, separating plate and separating gaskets from lower body.
8. Remove check balls, oil cooler relief valve springs and T/C pressure holding spring from lower body. G Be careful not to lose steel balls and relief valve springs.
9. Remove inter body from upper body. 10. Remove pilot filter, separating plate and gaskets from upper
body.
11. Check to see that steel balls are properly positioned in inter body and then remove them. G Be careful not to lose steel balls.
12. Check to see that steel balls are properly positioned in upper body and then remove them. G Be careful not to lose steel balls.

[RE4F03B]
A B AT
SAT873J
D E F G
SAT065F
H I J K
SAT870J
L M
SAT871J

Revision: December 2006

AT-299

2006 Sentra

CONTROL VALVE ASSEMBLY
Inspection
LOWER AND UPPER BODIES G Check to see that retainer plates are properly positioned in lower
body.

[RE4F03B]
ECS00601

G Check to see that retainer plates are properly positioned in upper body.

SAT872J

OIL STRAINER G Check wire netting of oil strainer for damage.

SAT321G

SAT115D
SHIFT SOLENOID VALVES A AND B, LINE PRESSURE SOLENOID VALVE, TORQUE CONVERTER CLUTCH SOLENOID VALVE AND OVERRUN CLUTCH SOLENOID VALVE G Refer to AT-181, "SHIFT SOLENOID VALVE A" , AT-185,
"SHIFT SOLENOID VALVE B" , AT-176, "LINE PRESSURE SOLENOID VALVE" , AT-176, "LINE PRESSURE SOLENOID VALVE" and AT-195, "OVERRUN CLUTCH SOLENOID VALVE" .
WAT237

Revision: December 2006

AT-300

2006 Sentra

CONTROL VALVE ASSEMBLY
OIL COOLER RELIEF VALVE SPRING G Check springs for damage or deformation. G Measure free length and outer diameter.
Inspection standard : Refer to AT-387, "Clutch and Brake Return Springs"
Assembly
1. Install upper, inter and lower body.
a. Place oil circuit of upper body face up. Install steel balls in their proper positions. b. Install upper separating gasket, upper inter separating gasket
and upper separating plate in order shown in illustration.
G Always use new gaskets. c. Install reamer bolts F from bottom of upper body. Using reamer
bolts as guides, install separating plate and gaskets as a set.

[RE4F03B]
A

D
SAT138D ECS00602
E

SAT871J

L
SAT072F
M

Revision: December 2006

AT-301

SAT073F
2006 Sentra

d. Install pilot filter.

CONTROL VALVE ASSEMBLY

[RE4F03B]

e. Place inter body as shown in the illustration. Install steel balls in their proper positions.
f. Install inter body on upper body using reamer bolts F as guides.

SAT074F SAT870J

G Be careful not to dislocate or drop steel balls.
g. Install steel balls, oil cooler relief valve springs and T/C pressure holding spring in their proper positions in lower body.

SAT076F SAT873J

Revision: December 2006

AT-302

2006 Sentra

CONTROL VALVE ASSEMBLY
h. Install lower separating gasket, inter separating gasket and lower separating plate in order shown in the illustration.
i. Install bolts E from bottom of lower body. Using bolts E as guides, install separating plate and gaskets as a set.
j. Install support plates on lower body. k. Install lower body on inter body using reamer bolts F as guides
and tighten reamer bolts F slightly.
2. Install O-rings to solenoid valves and terminal body. G Apply ATF to O-rings.
3. Install and tighten bolts.

[RE4F03B]
A B AT
SAT077F
D E F G
SAT078F
H I J K
AAT536
L M
SAT317G

Revision: December 2006

AT-303

2006 Sentra

CONTROL VALVE ASSEMBLY

Bolt length, number and location:

Bolt symbol

Bolt length "l"

13.5 mm (0.531 in)

B
58.0 mm (2.283 in)

C
44.0 mm (1.732 in)

D
66.0 mm (2.598 in)

E
33.0 mm (1.299 in)

[RE4F03B]

F
78.0 mm (3.071 in)

G
18.0 mm (0.709 in)

Number of bolts F: Reamer bolt with nut

a. Install and tighten bolts B to specified torque. : 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)
b. Install solenoid valve assembly and line pressure solenoid valve to lower body.

Revision: December 2006

AT-304

SAT869J SAT081F SAT316GA
2006 Sentra

CONTROL VALVE ASSEMBLY
c. Remove reamer bolts F and set oil strainer on control valve assembly.
d. Reinstall reamer bolts F from lower body side. e. Tighten bolts A , C , D and F to specified torque.
: 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)
f. Tighten bolts E to specified torque. : 3.4 - 4.4 N·m (0.35 - 0.45 kg-m, 30.4 - 39.1 in-lb)

[RE4F03B]
A
B
AT
SAT323G
D
E
F
G
SAT083F
H
I
J
K
SAT084FA
L
M

Revision: December 2006

AT-305

2006 Sentra

CONTROL VALVE UPPER BODY

[RE4F03B]

CONTROL VALVE UPPER BODY

PFP:31711

Components

ECS00603

Numbers preceding valve springs correspond with those shown in AT-385, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

Disassembly
1. Remove valves at retainer plates. G Do not use a magnetic "hand".

Revision: December 2006

AT-306

WAT250 ECS00604
SAT321G
2006 Sentra

CONTROL VALVE UPPER BODY
a. Use a screwdriver to remove retainer plates.
b. Remove retainer plates while holding spring, plugs or sleeves.

G Remove plugs slowly to prevent internal parts from jumping out.
c. Place mating surface of valve body face down, and remove internal parts.
G If a valve is hard to remove, place valve body face down and lightly tap it with a soft hammer.
G Be careful not to drop or damage valves and sleeves.

Inspection
VALVE SPRING
G Measure free length and outer diameter of each valve spring. Also check for damage or deformation.

Inspection standard

: Refer to AT-385, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

G Replace valve springs if deformed or fatigued.

CONTROL VALVES G Check sliding surfaces of valves, sleeves and plugs.

Revision: December 2006

AT-307

[RE4F03B]
A

AT
SAT135D
D

G
SAT136D
H

K
SAT137D

ECS00605

SAT138D

2006 Sentra

CONTROL VALVE UPPER BODY
Assembly
G Lay control valve body down when installing valves. Do not stand the control valve body upright.

[RE4F03B]
ECS00606

1. Lubricate the control valve body and all valves with ATF. Install control valves by sliding them carefully into their bores.

SAT139D

G Be careful not to scratch or damage valve body.
G Wrap a small screwdriver with vinyl tape and use it to insert the valves into their proper positions.

SAT140DA

1-2 ACCUMULATOR VALVE G Install 1-2 accumulator valve. Align 1-2 accumulator retainer
plate from opposite side of control valve body.
G Install return spring, 1-2 accumulator piston and plug.

SAT141D SAT142D

Revision: December 2006

AT-308

2006 Sentra

CONTROL VALVE UPPER BODY
1. Install retainer plates. G Install retainer plate while pushing plug or return spring.

RETAINER PLATE (FOR CONTROL VALVE UPPER BODY)
Refer to AT-306, "CONTROL VALVE UPPER BODY" .
Unit: mm (in)

Name of valve and piston

No.

Width A

Length B

Pilot valve

21.5 (0.846)

1-2 accumulator valve

1-2 accumulator piston

40.5 (1.594)

1st reducing valve

21.5 (0.846)

Overrun clutch reducing valve

6.0 (0.236)

24.0 (0.945)

Torque converter relief valve

21.5 (0.846)

Torque converter clutch control valve

28.0 (1.102)

3-2 timing valve

21.5 (0.846)

Cooler check valve

24.0 (0.945)

G Install proper retainer plates.

[RE4F03B]
A B AT
SAT143D
D E F G
SAT086F
H I J K L M

Revision: December 2006

AT-309

2006 Sentra

CONTROL VALVE LOWER BODY

[RE4F03B]

CONTROL VALVE LOWER BODY

PFP:31713

Components

ECS00607

Numbers preceding valve springs correspond with those shown in AT-385, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

Disassembly
Remove valves at retainer plate. For removal procedures, refer to AT-310, "Disassembly" .

Revision: December 2006

AT-310

WAT251 ECS00608
SAT872J
2006 Sentra

CONTROL VALVE LOWER BODY

Inspection
VALVE SPRINGS
G Check each valve spring for damage or deformation. Also measure free length and outer diameter.

Inspection standard

: Refer to AT-385, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

G Replace valve springs if deformed or fatigued.

CONTROL VALVES G Check sliding surfaces of control valves, sleeves and plugs for damage.
Assembly
G Install control valves. For installation procedures, refer to AT-311, "Assembly" .

RETAINER PLATE (FOR CONTROL VALVE LOWER BODY)
Refer to AT-310, "CONTROL VALVE LOWER BODY" .
Unit: mm (in)

Name of control valve

No.

Width A Length B Type

Pressure regulator valve

Accumulator control valve

Shift valve A Overrun clutch control valve

28 20

6.0 (0.236)

28.0 (1.102)

Pressure modifier valve

Shuttle control valve

Shift valve B

G Install proper retainer plates.

[RE4F03B]
ECS00609
A

D
SAT138D
E
ECS0060A
F

G H

I
SAT872J
J

SAT089F

Revision: December 2006

AT-311

2006 Sentra

REVERSE CLUTCH Components

REVERSE CLUTCH

[RE4F03B]
PFP:31510
ECS0060B

Disassembly
1. Check operation of reverse clutch. a. Install seal ring onto drum support of oil pump cover and install
reverse clutch assembly. Apply compressed air to oil hole. b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.
2. Remove snap ring. G Do not expand snap ring excessively.
3. Remove drive plates, driven plates, retaining plate, and dish plates.

SAT485JA ECS0060C
SAT155D
SAT156D

Revision: December 2006

AT-312

2006 Sentra

REVERSE CLUTCH
4. Set Tool on spring retainer and remove snap ring from reverse clutch drum while compressing return springs. G Set Tool directly above springs. G Do not expand snap ring excessively.
5. Remove spring retainer and return springs. G Do not remove return springs from spring retainer.
6. Remove piston from reverse clutch drum by turning it.
7. Remove D-ring and oil seal from piston.

[RE4F03B]
A B AT
AAT489
D E
F G
SAT301E
H
I J K
SAT159D
L M

Inspection
REVERSE CLUTCH SNAP RING, SPRING RETAINER AND RETURN SPRINGS G Check for deformation, fatigue or damage.
G Replace if necessary. G When replacing spring retainer and return springs, replace them as a set.

SAT138E ECS0060D

Revision: December 2006

AT-313

2006 Sentra

REVERSE CLUTCH

REVERSE CLUTCH DRIVE PLATES G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate

Standard value

: 2.0 mm (0.079 in)

Wear limit

: 1.8 mm (0.071 in)

G If not within wear limit, replace.

REVERSE CLUTCH DISH PLATES G Check for deformation or damage. G Measure thickness of dish plate.

Thickness of dish plate "t"

: 2.8 mm (0.110 in)

G If deformed or fatigued, replace.

REVERSE CLUTCH PISTON
G Make sure check balls are not fixed.
G Apply compressed air to check ball oil hole opposite the return spring. Make sure that there is no air leakage.
G Apply compressed air to oil hole on return spring side to make sure air leaks past ball.

Assembly
1. Install D-ring and oil seal on piston. G Take care with the direction of the oil seal. G Apply ATF to both parts.

Revision: December 2006

AT-314

[RE4F03B]
SAT162D
SAT163D
SAT164D ECS0060E
SAT160DA
2006 Sentra

REVERSE CLUTCH
2. Install piston assembly by turning it slowly. G Apply ATF to inner surface of drum.

3. Install return springs and spring retainer on piston.

Return spring

: Refer to AT-387, "Clutch and Brake Return Springs" .

4. Set Tool on spring retainer and install snap ring while compressing return springs.
G Set Tool directly above return springs.

5. Install drive plates, driven plates, retaining plate and dish plates. G Do not align the projections of any two dish plates. G Take care with the order and direction of plates.

[RE4F03B]
A B AT
SAT159D
D E F G
SAT168D
H I J K
AAT489
L M
SAT170D

Revision: December 2006

AT-315

2006 Sentra

REVERSE CLUTCH
6. Install snap ring. G Do not expand snap ring excessively.

7. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance Standard Allowable limit Retaining plate

: 0.5 - 0.8 mm (0.020 - 0.031 in) : 1.2 mm (0.047 in) : Refer to AT-385, "REVERSE CLUTCH"

8. Check operation of reverse clutch. Refer to AT-312, "Components" .

[RE4F03B]
SAT156D SAT174D SAT173D

Revision: December 2006

AT-316

2006 Sentra

HIGH CLUTCH Components

HIGH CLUTCH

Disassembly
1. Check operation of high clutch. a. Apply compressed air to oil hole of input shaft.
G Stop up a hole on opposite side of input shaft. b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.

[RE4F03B]
PFP:31410
A
ECS0060F
B
AT
D
E
F
G H
I
J
WCIA0221E
K
ECS0060G
L
M
SAT176D

Revision: December 2006

AT-317

2006 Sentra

HIGH CLUTCH
2. Remove seal rings from input shaft.
3. Remove snap ring. G Do not expand snap ring excessively.
4. Remove drive plates, driven plates and retaining plate.
5. Set Tool on spring retainer and remove snap ring from high clutch drum while compressing return springs. G Set Tool directly above springs. G Do not expand snap ring excessively.
6. Remove spring retainer and return springs. G Do not remove return spring from spring retainer.

[RE4F03B]
SAT177D SAT178D AAT683

7. Remove piston from high clutch drum by turning it.

Revision: December 2006

AT-318

SAT302E
SAT189D
2006 Sentra

HIGH CLUTCH
8. Remove D-ring and oil seal from piston.

[RE4F03B]
A

HIGH CLUTCH DRIVE PLATES G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate

Standard value

: 2.0 mm (0.079 in)

Wear limit

: 1.8 mm (0.071 in)

G If not within wear limit, replace.

HIGH CLUTCH PISTON
G Make sure check balls are not fixed.
G Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
G Apply compressed air to oil hole on return spring side to make sure air leaks past ball.

SAT139E

ECS0060H

G H

I
SAT162D
J

K L

SEAL RING CLEARANCE G Install new seal rings onto input shaft. G Measure clearance between seal ring and ring groove.

Standard clearance : 0.08 - 0.23 mm (0.0031 - 0.0091

in)

Allowable limit

: 0.23 mm (0.0091 in)

G If not within wear limit, replace input shaft assembly.

M
SAT186D

SAT187D

Revision: December 2006

AT-319

2006 Sentra

HIGH CLUTCH Assembly
1. Install D-ring and oil seal on piston. G Take care with the direction of the oil seal. G Apply ATF to both parts.
2. Install piston assembly by turning it slowly. G Apply ATF to inner surface of drum.
3. Install return springs and spring retainer on piston. Return spring : Refer to AT-387, "Clutch and Brake Return Springs" .
4. Set Tool on spring retainer and install snap ring while compressing return springs. G Set Tool directly above return springs. G Do not expand snap ring excessively.

[RE4F03B]
ECS0060I SAT182DA
SAT189D
SAT191D AAT683

Revision: December 2006

AT-320

2006 Sentra

HIGH CLUTCH
G Do not align snap ring gap with spring retainer stopper.

5. Install drive plates, driven plates and retaining plate. Take care with the order and direction of plates.
6. Install snap ring. G Do not expand snap ring excessively.

7. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance Standard Allowable limit Retaining plate

: 1.4 - 1.8 mm (0.055 - 0.071 in) : 2.4 mm (0.094 in) : Refer to AT-386, "HIGH CLUTCH" .

8. Check operation of high clutch. Refer to AT-317, "HIGH CLUTCH" .

[RE4F03B]
A B AT
SAT193D
D E F G
SAT195D
H I J K
SAT199D
L M
SAT196D

Revision: December 2006

AT-321

2006 Sentra

HIGH CLUTCH
9. Install seal rings to input shaft. G Apply petroleum jelly to seal rings.
G Roll paper around seal rings to prevent seal rings from spreading.

[RE4F03B]
SAT197D SAT198D

Revision: December 2006

AT-322

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH FORWARD CLUTCH AND OVERRUN CLUTCH Components
Disassembly
1. Check operation of forward clutch and overrun clutch.

[RE4F03B]
PFP:31570
A
ECS0060J
B
AT
D
E
F
G
H
I
J
WCIA0222E
K
ECS0060K
L
M

a. Install bearing retainer on forward clutch drum. b. Apply compressed air to oil hole of forward clutch drum. c. Check to see that retaining plate moves to snap ring.

SAT201D

Revision: December 2006

AT-323

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH
d. If retaining plate does not contact snap ring: G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.

[RE4F03B]

2. Remove snap ring for forward clutch. G Do not expand snap ring excessively.
3. Remove drive plates, driven plates, retaining plate and dish plate for forward clutch.

SAT202D

4. Remove snap ring for overrun clutch. G Do not expand snap ring excessively.
5. Remove drive plates, driven plates, retaining plate and dish plate for overrun clutch.

SAT203D

6. Set Tool on spring retainer and remove snap ring from forward clutch drum while compressing return springs. G Set Tool directly above return springs. G Do not expand snap ring excessively.
7. Remove spring retainer and return springs.

SAT204D AAT685

Revision: December 2006

AT-324

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH
8. Remove forward clutch piston with overrun clutch piston from forward clutch drum by turning it.

9. Remove overrun clutch piston from forward clutch piston by turning it.

10. Remove D-rings and oil seals from forward clutch piston and overrun clutch piston.

Inspection
SNAP RINGS AND SPRING RETAINER
G Check for deformation, fatigue or damage.

FORWARD CLUTCH AND OVERRUN CLUTCH RETURN SPRINGS G Check for deformation or damage. G Measure free length and outer diameter.

Inspection standard

: Refer to AT-387, "Clutch and Brake Return Springs" .

G Replace if deformed or fatigued.

[RE4F03B]
A B AT
SAT216D
D E F G
SAT215D
H I J K
SAT140E ECS0060L
L M
SAT138D

Revision: December 2006

AT-325

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH

FORWARD CLUTCH AND OVERRUN CLUTCH DRIVE PLATES G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate

Forward clutch

Standard value : 1.8 mm (0.071 in)

Wear limit

: 1.6 mm (0.063 in)

Overrun clutch

Standard value : 1.6 mm (0.063 in)

Wear limit

: 1.4 mm (0.055 in)

G If not within wear limit, replace.

FORWARD CLUTCH AND OVERRUN CLUTCH DISH PLATES G Check for deformation or damage. G Measure thickness of dish plate.

Thickness of dish plate "t" Forward clutch Overrun clutch

: 2.5 mm (0.098 in) : 2.15 mm (0.0846 in)

G If deformed or fatigued, replace.

FORWARD CLUTCH DRUM
G Make sure check balls are not fixed.
G Apply compressed air to check ball oil hole from outside of forward clutch drum. Make sure air leaks past ball.
G Apply compressed air to oil hole from inside of forward clutch drum. Make sure there is no air leakage.

[RE4F03B]
SAT162D SAT163D

OVERRUN CLUTCH PISTON
G Make sure check balls are not fixed.
G Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
G Apply compressed air to oil hole on return spring side. Make sure air leaks past ball.

SAT213D

SAT212D

Revision: December 2006

AT-326

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH Assembly
1. Install D-rings and oil seals on forward clutch piston and overrun clutch piston. G Take care with direction of oil seal. G Apply ATF to both parts.
2. Install overrun clutch piston assembly on forward clutch piston while turning it slowly. G Apply ATF to inner surface of forward clutch piston.
3. Install forward clutch piston assembly on forward clutch drum while turning it slowly. G Apply ATF to inner surface of drum.
4. Align notch in forward clutch piston with groove in forward clutch drum.

[RE4F03B]
ECS0060M
A

D
SAT208DA
E

SAT215D

K
SAT216D
L

SAT217D

Revision: December 2006

AT-327

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH

5. Install return spring on piston. 6. Install spring retainer on return springs.

Return spring

: Refer to AT-387, "Clutch and Brake Return Springs" .

[RE4F03B]

7. Set Tool on spring retainer and install snap ring while compressing return springs. G Set Tool directly above return springs.
G Do not expand snap ring excessively.

SAT218D

AAT685
G Do not align snap ring gap with spring retainer stopper.

8. Install drive plates, driven plates, retaining plate and dish plate for overrun clutch.
9. Install snap ring for overrun clutch. G Do not expand snap ring excessively.

SAT220D SAT204D

Revision: December 2006

AT-328

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH

10. Measure clearance between overrun clutch retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance Standard Allowable limit Overrun clutch retaining plate

: 1.0 - 1.4 mm (0.039 - 0.055 in) : 2.0 mm (0.079 in) : Refer to AT-386, "OVERRUN CLUTCH" .

11. Install drive plates, driven plates, retaining plate and dish plate for forward clutch.
Take care with the order and direction of plates.
12. Install snap ring for forward clutch.
G Do not expand snap ring excessively.

13. Measure clearance between forward clutch retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance Standard
Allowable limit Forward clutch retaining plate

: 0.45 - 0.85 mm (0.0177 - 0.0335 in)
: 1.85 mm (0.0728 in)
: Refer to AT-386, "FORWARD CLUTCH"

14. Check operation of forward clutch. Refer to AT-323, "FORWARD CLUTCH AND OVERRUN CLUTCH" .

[RE4F03B]
A B AT
SAT227D
D E
F G
SAT203D
H I J K
SAT228D
L M

SAT201D

Revision: December 2006

AT-329

2006 Sentra

FORWARD CLUTCH AND OVERRUN CLUTCH
15. Check operation of overrun clutch. Refer to AT-323, "FORWARD CLUTCH AND OVERRUN CLUTCH" .

[RE4F03B]

SAT202D

Revision: December 2006

AT-330

2006 Sentra

LOW & REVERSE BRAKE LOW & REVERSE BRAKE Components
Disassembly
1. Check operation of low & reverse brake. a. Apply compressed air to oil hole of transmission case. b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.
2. Stand transmission case. 3. Remove snap ring.
G Do not expand snap ring excessively. 4. Remove drive plates, driven plates, retaining plate from trans-
mission case.

[RE4F03B]
PFP:31645
A
ECS0060N
B

G
WCIA0223E
ECS0060O
H

SAT230D

SAT231D

Revision: December 2006

AT-331

2006 Sentra

LOW & REVERSE BRAKE
5. Set Tool on spring retainer and remove snap ring while compressing return springs. G Set Tool directly above return springs. G Do not expand snap ring excessively.
6. Remove spring retainer and return springs.
G Do not remove return springs from spring retainer.

[RE4F03B]
AAT687

7. Apply compressed air to oil hole of transmission case while holding piston.
8. Remove piston from transmission case by turning it.

SAT303E

Revision: December 2006

AT-332

SAT234D
2006 Sentra

LOW & REVERSE BRAKE
9. Remove D-ring and oil seal from piston.

[RE4F03B]
A

Inspection
LOW & REVERSE CLUTCH SNAP RING, SPRING RETAINER AND RETURN SPRINGS G Check for deformation, fatigue or damage. G Replace if necessary.
G When replacing spring retainer and return springs, replace them as a set.

LOW & REVERSE BRAKE DRIVE PLATES G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate

Standard value

: 2.0 mm (0.079 in)

Wear limit

: 1.8 mm (0.071 in)

G If not within wear limit, replace.

Assembly
1. Install D-ring and oil seal on piston. G Take care with the direction of the oil seal. G Apply ATF to both parts.

SAT767G
D
ECS0060P
E

G H

SAT162D

ECS0060Q

2. Stand transmission case.
3. Install piston assembly on transmission case while turning it slowly. G Apply ATF to inner surface of transmission case.

M
SAT235DA

Revision: December 2006

AT-333

SAT239D
2006 Sentra

LOW & REVERSE BRAKE

4. Install return springs and spring retainer on piston.

Return spring

:Refer to AT-387, "Clutch and Brake Return Springs" .

5. Install snap ring while compressing return springs. G Set Tool directly above return springs.

6. Install drive plates, driven plates, retaining plates and dished plates. G Do not align the projections on the two dished plates. G Make sure to put the plates in the correct order and direction.
7. Install snap ring. G Do not expand snap ring excessively.

[RE4F03B]
SAT241D AAT687 SAT254E SAT231D

Revision: December 2006

AT-334

2006 Sentra

LOW & REVERSE BRAKE

8. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate (front side).

Specified clearance Standard Allowable limit Retaining plate

: 1.4 - 1.8 mm (0.055 - 0.071 in) : 2.8 mm (0.110 in) : Refer to AT-386, "LOW & REVERSE BRAKE" .

9. Check operation of low and reverse brake. Refer to AT-331, "LOW & REVERSE BRAKE" .

[RE4F03B]
A B AT
SAT246D
D E F G
SAT230D
H I J K L M

Revision: December 2006

AT-335

2006 Sentra

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
[RE4F03B]

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH

HUB

PFP:31450

Components

ECS0060R

Disassembly
1. Remove snap ring from overrun clutch hub. 2. Remove overrun clutch hub from forward clutch hub.
3. Remove thrust washer from forward clutch hub.

Revision: December 2006

AT-336

SAT875J ECS0060S
SAT249D
SAT250D
2006 Sentra

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
[RE4F03B]
4. Remove forward clutch hub from rear internal gear. A

5. Remove end bearing from rear internal gear.

AT
SAT251D
D
E

6. Remove thrust washer from rear internal gear.

G
SAT252D
H
I

7. Remove end bearing from forward one-way clutch.

K
SAT253D
L

SAT254D

Revision: December 2006

AT-337

2006 Sentra

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
[RE4F03B]
8. Remove one-way clutch from forward clutch hub.

Inspection
REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
G Check rubbing surfaces for wear or damage.

SAT255D ECS0060T

SNAP RING, END BEARINGS AND FORWARD ONE-WAY CLUTCH G Check snap ring and end bearings for deformation and damage. G Check forward one-way clutch for wear and damage.
Assembly
1. Install forward one-way clutch on forward clutch. G Take care with the direction of forward one-way clutch.

SAT256D
SAT257D ECS0060U
SAT976H

Revision: December 2006

AT-338

2006 Sentra

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
[RE4F03B]

2. Install end bearing on forward one-way clutch.

G Apply petroleum jelly to end bearing.

3. Install thrust washer on rear internal gear. G Apply petroleum jelly to thrust washer. G Align pawls of thrust washer with holes of rear internal gear.

AT
SAT259D
D
E
F

4. Install end bearing on rear internal gear. G Apply petroleum jelly to end bearing.

G
SAT260D
H
I

5. Install forward clutch hub on rear internal gear.
G Check operation of forward one-way clutch. Hold rear internal gear and turn forward clutch hub. Check forward clutch hub for correct locking and unlocking directions.
G If not as shown in illustration, check installation direction of forward one-way clutch.

K
SAT261D
L
M

SAT713H

Revision: December 2006

AT-339

2006 Sentra

REAR INTERNAL GEAR, FORWARD CLUTCH HUB AND OVERRUN CLUTCH HUB
[RE4F03B]
6. Install thrust washer and overrun clutch hub.
G Apply petroleum jelly to thrust washer.
G Align pawls of thrust washer with holes of overrun clutch hub.

7. Install overrun clutch hub on rear internal gear.
G Align projections of rear internal gear with holes of overrun clutch hub.

SAT263D

8. Install snap ring to groove of rear internal gear.

SAT264D

SAT248D

Revision: December 2006

AT-340

2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING

RETAINER

PFP:31480 A

Components

ECS0060V

Disassembly
1. Remove seal rings from output shaft and bearing retainer.

K
WCIA0224E
ECS0060W
L

SAT644D

Revision: December 2006

AT-341

2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]
2. Remove output shaft bearing with screwdrivers. G Always replace bearing with a new one when removed. G Do not damage output shaft.

3. Remove snap ring from bearing retainer. G Do not expand snap ring excessively.

SAT645D

4. Remove needle bearing from bearing retainer.

WCIA0225E

AAT539
5. Remove idler gear bearing inner race from idler gear.

SAT648D

Revision: December 2006

AT-342

2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]
6. Remove idler gear bearing outer race from transmission case. A

7. Press out reduction pinion gear bearing from reduction pinion gear.

AT
AAT495
D
E

8. Remove reduction pinion gear bearing outer race from transmission case.

G
WAT235
H
I

Inspection
OUTPUT SHAFT, IDLER GEAR AND REDUCTION PINION GEAR G Check shafts for cracks, wear or bending. G Check gears for wear, chips and cracks.
BEARING G Make sure bearings roll freely and are free from noise, cracks,
pitting or wear.
G When replacing taper roller bearing, replace outer and inner race as a set.

K
SAT651D ECS0060X
L
M

Revision: December 2006

AT-343

SPD715
2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]
SEAL RING CLEARANCE
G Install new seal rings to output shaft.
G Measure clearance between seal ring and ring groove of output shaft.

Standard clearance : 0.10 - 0.25 mm (0.0039 - 0.0098 in)

Allowable limit

: 0.25 mm (0.0098 in)

G If not within allowable limit, replace output shaft. G Install new seal rings to bearing retainer. G Measure clearance between seal ring and ring groove of bear-
ing retainer.

Standard clearance : 0.10 - 0.25 mm (0.0039 - 0.0098 in)

Allowable limit

: 0.25 mm (0.0098 in)

SAT652D

G If not within allowable limit, replace bearing retainer.
Assembly
1. Press reduction pinion gear bearing on reduction pinion gear.

ECS0060Y

2. Install reduction pinion gear bearing outer race on transmission case.
3. Press idler gear bearing inner race on idler gear.

AAT688 SAT654D

Revision: December 2006

AT-344

AAT689
2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]
4. Install idler gear bearing outer race on transmission case. A

5. Press output shaft bearing on output shaft.

AT
SAT901D
D
E

6. Press needle bearing on bearing retainer.

G
SAT939D
H
I

7. Install snap ring to bearing retainer.

K
SAT658D
L

WCIA0226E

Revision: December 2006

AT-345

2006 Sentra

OUTPUT SHAFT, IDLER GEAR, REDUCTION PINION GEAR AND BEARING RETAINER
[RE4F03B]
8. After packing ring grooves with petroleum jelly, carefully install new seal rings on output shaft and bearing retainer.
NOTE: Do not align gaps in seal rings.

G Roll paper around seal rings to prevent seal rings from spreading.

SAT660D

SAT661D

Revision: December 2006

AT-346

2006 Sentra

BAND SERVO PISTON ASSEMBLY BAND SERVO PISTON ASSEMBLY Components
Disassembly
1. Remove band servo piston snap ring.
2. Apply compressed air to oil hole in transmission case to remove OD servo piston retainer and band servo piston assembly. G Hold band servo piston assembly with a rag or nylon waste.

[RE4F03B]
PFP:31615
A
ECS0060Z
B

G
WCIA0227E
ECS00610
H

SAT288D

SAT289D

Revision: December 2006

AT-347

2006 Sentra

BAND SERVO PISTON ASSEMBLY
3. Apply compressed air to oil hole in OD servo piston retainer to remove OD servo piston from retainer. G Hold OD servo piston while applying compressed air.

[RE4F03B]

4. Remove D-ring from OD servo piston.

SAT290DB

5. Remove O-rings from OD servo piston retainer.

SAT593GB

6. Remove band servo piston assembly from servo piston retainer by pushing it forward.

SAT292DA SAT293D

Revision: December 2006

AT-348

2006 Sentra

BAND SERVO PISTON ASSEMBLY
7. Place piston stem end on a wooden block. While pushing servo piston spring retainer down, remove E-ring.
8. Remove OD servo return spring, band servo thrust washer and band servo piston stem from band servo piston.
9. Remove O-rings from servo piston retainer.
10. Remove D-rings from band servo piston.

[RE4F03B]
A B AT
SAT294D
D E F G
SAT295DA
H I J K
SAT296DA
L M
SAT594GA

Revision: December 2006

AT-349

2006 Sentra

BAND SERVO PISTON ASSEMBLY
Inspection
PISTONS, RETAINERS AND PISTON STEM G Check frictional surfaces for abnormal wear or damage.

[RE4F03B]
ECS00611

RETURN SPRINGS G Check for deformation or damage. G Measure free length and outer diameter.

Band servo inspection : Refer to AT-392,

standard

"RETURN SPRING" .

Assembly
1. Install D-rings to band servo piston retainer. G Apply ATF to D-rings. G Pay attention to position of each D-ring.

2. Install band servo piston stem, band servo thrust washer, OD servo return spring and spring retainer to band servo piston.

Revision: December 2006

AT-350

SAT298DA
SAT138D ECS00612
SAT595GA
SAT295DA
2006 Sentra

BAND SERVO PISTON ASSEMBLY
3. Place piston stem end on a wooden block. While pushing servo piston spring retainer down, install E-ring.
4. Install O-rings to servo piston retainer. G Apply ATF to O-rings. G Pay attention to the positions of the O-rings.
5. Install band servo piston assembly to servo piston retainer by pushing it inward.
6. Install D-ring to OD servo piston. G Apply ATF to D-ring.

[RE4F03B]
A B AT
SAT301D
D E F G
SAT296DA
H I J K
SAT303D
L M
SAT596GB

Revision: December 2006

AT-351

2006 Sentra

BAND SERVO PISTON ASSEMBLY
7. Install O-rings to OD servo piston retainer. G Apply ATF to O-rings. G Pay attention to the positions of the O-rings.

[RE4F03B]

8. Install OD servo piston to OD servo piston retainer.

SAT292DA

9. Install band servo piston assembly and 2nd servo return spring to transmission case. G Apply ATF to O-ring of band servo piston and transmission case.
10. Install OD servo piston assembly to transmission case. G Apply ATF to O-ring of band servo piston and transmission case.

SAT306DA SAT307DA AAT692

Revision: December 2006

AT-352

2006 Sentra

BAND SERVO PISTON ASSEMBLY
11. Install band servo piston snap ring to transmission case.

[RE4F03B]
A B AT
SAT288D
D E F G H I J K L M

Revision: December 2006

AT-353

2006 Sentra

FINAL DRIVE Components

FINAL DRIVE

[RE4F03B]
PFP:38411
ECS00613

Disassembly
1. Remove final gear.
2. Press out differential side bearings.

Revision: December 2006

AT-354

WAT403 ECS00614
SMT696B
SAT312D
2006 Sentra

FINAL DRIVE
3. Remove speedometer drive gear.
4. Drive out pinion mate shaft lock pin.
5. Draw out pinion mate shaft from differential case. 6. Remove pinion mate gears and side gears.

[RE4F03B]
A

AT
SMT697B
D

G
SAT313D
H

SAT904D

SAT316D

Revision: December 2006

AT-355

2006 Sentra

FINAL DRIVE
Inspection
GEAR, WASHER, SHAFT AND CASE G Check mating surfaces of differential case, side gears and pin-
ion mate gears. G Check washers for wear.

BEARINGS
G Make sure bearings roll freely and are free from noise, cracks, pitting or wear.
G When replacing taper roller bearing, replace outer and inner race as a set.

Assembly
1. Install side gear and thrust washers in differential case. 2. Install pinion mate gears and thrust washers in differential case
while rotating them. G When inserting, be careful not to damage pinion mate
gear washers. G Apply ATF to any parts.

3. Measure clearance between side gear and differential case with washers using the following procedure.
a. Set Tool and dial indicator on side gear.
b. Move side gear up and down to measure dial indicator deflection. Always measure indicator deflection on both side gears.

Clearance between side gear and differential case with washers

: 0.1 - 0.2 mm (0.004 - 0.008 in)

Revision: December 2006

AT-356

[RE4F03B]
ECS00615
WAT294
SPD715 ECS00616
SAT318D
SAT902D
2006 Sentra

FINAL DRIVE

c. If not within specification adjust clearance by changing thickness of side gear thrust washers.

Side gear thrust washer

: Refer to AT-388, "DIFFERENTIAL SIDE GEAR THRUST WASHERS" .

4. Install lock pin. G Make sure that lock pin is flush with case.

5. Install speedometer drive gear on differential case. G Align the projection of speedometer drive gear with the groove of differential case.
6. Install final gear and tighten fixing bolts in numerical order. : 113 - 127 N·m (11.5 - 13.0 kg-m, 83 - 94 ft-lb)

[RE4F03B]
A B AT
SMT616
D E F G
SAT904D
H I J K
SAT313D
L M
SAT326D

Revision: December 2006

AT-357

2006 Sentra

7. Press on differential side bearings.

FINAL DRIVE

[RE4F03B]
SMT700B

Revision: December 2006

AT-358

2006 Sentra

ASSEMBLY ASSEMBLY Assembly (1)
1. Install revolution sensor onto transmission case. Always use new sealing parts.
2. Install differential side oil seals on transmission case and converter housing, so that "A" and "B" are within specifications.

A 5.5 - 6.5 (0.217 - 0.256)

B -0.5 to 0.5 (-0.020 to 0.020)

3. Install parking actuator support to transmission case. G Pay attention to direction of parking actuator support.

Revision: December 2006

AT-359

[RE4F03B]
PFP:00000
A
ECS00617
B AT
D
SAT311G
E F G H
AAT695
I J K L
WAT141
Unit: mm (in)
M
SAT328D
2006 Sentra

ASSEMBLY
4. Install parking pawl on transmission case and fix it with parking shaft.
5. Install return spring.
Adjustment (1)
DIFFERENTIAL SIDE BEARING PRELOAD 1. Install differential side bearing outer race without adjusting shim
on transmission case. 2. Install differential side bearing outer race on converter housing.
3. Place final drive assembly on transmission case. 4. Install transmission case on converter housing. Tighten trans-
mission case fixing bolts A and B to the specified torque.

Revision: December 2006

AT-360

[RE4F03B]
WAT143 WAT144
ECS00618 SAT947DA SAT027D
2006 Sentra

ASSEMBLY

5. Attach dial indicator on differential case at transmission case side.
6. Insert Tool into differential side gear from converter housing. 7. Move Tool up and down and measure dial indicator deflection.

Differential side bearing preload "T"

: 0.04 - 0.09 mm (0.0016 - 0.0035 in)

8. Select proper thickness of differential side bearing adjusting shim(s) using SDS table as a guide.

Differential side bearing adjusting shim

: Refer to AT-388, "DIFFERENTIAL SIDE BEARING ADJUSTING SHIMS" .

9. Remove converter housing from transmission case. 10. Remove final drive assembly from transmission case. 11. Remove differential side bearing outer race from transmission
case. 12. Reinstall differential side bearing outer race and shim(s)
selected from SDS table on transmission case. 13. Reinstall converter housing on transmission case and tighten
transmission case fixing bolts to the specified torque.
14. Insert Tool into differential case and measure turning torque of final drive assembly. G Turn final drive assembly in both directions several times to seat bearing rollers correctly.
Turning torque of : 0.49 - 1.08 N·m (5.0 - 11.0 kg-cm, final drive assembly 4.3 - 9.5 in-lb) (New bearing) G When old bearing is used again, turning torque will be slightly less than the above. G Make sure torque is within the specified range.

[RE4F03B]
A

G
AAT947
H

AAT477

AAT466

Revision: December 2006

AT-361

2006 Sentra

ASSEMBLY

REDUCTION PINION GEAR BEARING PRELOAD
G Be sure to remove final drive assembly before doing this procedure.
G Using caliper and straightedge, calculate a dimension "T" (adjuster shim thickness) using the following formula. Adjust the inspection standard for preload (rotating slide torque) as shown below.

T = A E
Inspection standard for preload

:0.1 - 0.69 N·m (1.1 - 7.0 kg-cm, 0.95 - 6.08 in-lb)

1. Remove transmission case and final drive assembly from converter housing.
2. Select proper thickness of reduction pinion gear bearing adjusting shim using the following procedures.
a. Place reduction pinion gear on transmission case as shown.

b. Place idler gear bearing on transmission case.
c. Measure dimensions "B", "C" and "D" and calculate dimension "A".

A = D - (B + C) "A"

: Distance between the surface of idler gear bearing inner race and the adjusting shim mating surface of reduction pinion gear.

G Measure dimension "B" between the end of reduction pinion gear and the surface of transmission case.
G Measure dimension "B" in at least two places.

[RE4F03B]
SAT876J SAT332DA SAT333DA SAT334DA

Revision: December 2006

AT-362

2006 Sentra

ASSEMBLY
G Measure dimension "C" between the surface of idler gear bearing inner race and the surface of transmission case.
G Measure dimension "C" in at least two places.

G Measure dimension "D" between the end of reduction pinion gear and the adjusting shim mating surface of reduction pinion gear.
G Measure dimension "D" in at least two places. G Calculate dimension "A".
A = D - (B + C)

d. Measure dimension "E" between the end of idler gear and the idler gear bearing inner race mating surface of idler gear. G Measure dimension "E" in at least two places.
e. Calculate "T" and select proper thickness of reduction pinion gear bearing adjusting shim using SDS table as a guide.
T = A - E 0.05 mm (0.0020 in)*

Reduction pinion gear bearing adjusting shim

: Refer to AT-390, "REDUCTION PINION GEAR BEARING ADJUSTING SHIMS" .

*: Bearing preload
3. Install reduction pinion gear and reduction pinion gear bearing adjusting shim selected in step 2-e on transmission case using Tool.
4. Press idler gear bearing inner race on idler gear.
5. Press idler gear on reduction pinion gear.
G Press idler gear so that idler gear can be locked by parking pawl.

[RE4F03B]
A B AT
SAT335D
D E F G
SAT336DA
H I J
SAT337D
K L M
AAT696

Revision: December 2006

AT-363

2006 Sentra

ASSEMBLY
6. Tighten idler gear lock nut to the specified torque. G Lock idler gear with parking pawl when tightening lock nut.

7. Measure turning torque of reduction pinion gear.
G When measuring turning torque, turn reduction pinion gear in both directions several times to seat bearing rollers correctly.

Turning torque of reduction pinion gear

: 0.1 - 0.69 N·m (1.1 - 7.0 kg-cm, 0.95 - 6.08 in-lb)

OUTPUT SHAFT END PLAY
G Measure clearance between side cover and the end of the output shaft bearing.
G Select proper thickness of adjusting shim so that clearance is within specifications.

1. Install bearing retainer for output shaft.

[RE4F03B]
SAT339D SAT340DC SAT341D SAT347D

Revision: December 2006

AT-364

2006 Sentra

ASSEMBLY
2. Install output shaft thrust needle bearing on bearing retainer.

3. Install output shaft on transmission case.

4. Measure dimensions "l1 " and "l2 " at side cover and then calculate dimension "A".
G Measure dimension "l1 " and "l2 " in at least two places "A": Distance between transmission case fitting surface and adjusting shim mating surface

A = l1 - l2 l2

: Height of gauge

5. Measure dimensions "l2 " and "l3 " and then calculate dimension "B". Measure "l2 " and "l3 " in at least two places. "B": Distance between the end of output shaft bearing outer race and the side cover fitting surface of transmission case

B = l2 - l3 l2

: Height of gauge

[RE4F03B]
A B AT
SAT438D
D E F G
SAT439D
H I J K
SAT874DA
L M
SAT875DA

Revision: December 2006

AT-365

2006 Sentra

ASSEMBLY

6. Select proper thickness of adjusting shim so that output shaft end play (clearance between side cover and output shaft bearing) is within specifications.

Output shaft end play (A - B)
Output shaft end play adjusting shim

: 0 - 0.5 mm (0 - 0.020 in)
: Refer to AT-391, "OUTPUT SHAFT END PLAY ADJUSTING SHIMS" .

7. Install adjusting shim on output shaft bearing.

8. Apply locking sealant (Loctite 5/8 or equivalent) to transmission case as shown in illustration.

9. Install side cover on transmission case. G Apply locking sealant to the mating surface of transmission case.
10. Tighten side cover fixing bolts to specified torque. : 26 - 30 N·m (2.7 - 3.1 kg-m, 20 - 22 ft-lb)
G Do not mix bolts A and B. G Always replace bolts A as they are self-sealing bolts.

[RE4F03B]
SAT440D SAT441D SAT442D SAT124E

Revision: December 2006

AT-366

2006 Sentra

ASSEMBLY Assembly (2)
1. Remove paper rolled around bearing retainer. 2. Install thrust washer on bearing retainer.
G Apply petroleum jelly to thrust washer.
3. Install forward clutch assembly. G Align teeth of low & reverse brake drive plates before installing. G Make sure that bearing retainer seal rings are not spread.
4. Install thrust needle bearing on bearing retainer. G Apply petroleum jelly to thrust bearing. G Pay attention to direction of thrust needle bearing.
5. Install thrust needle bearing on rear internal gear. G Apply petroleum jelly to thrust needle bearing. G Pay attention to direction of thrust needle bearing.

Revision: December 2006

AT-367

[RE4F03B]
ECS00619
A

D
SAT354D
E

SAT355D

K
SAT356D
L

SAT357D

2006 Sentra

ASSEMBLY
6. Hold forward clutch hub and turn overrun clutch hub. Check overrun clutch hub for directions of lock and unlock. G If not as shown in illustration, check installed direction of forward one-way clutch.
7. Install rear internal gear assembly. G Align teeth of forward clutch and overrun clutch drive plate.
8. Install needle bearing on rear planetary carrier. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
9. Install rear sun gear on rear planetary carrier. G Pay attention to direction of rear sun gear.

[RE4F03B]
SAT358D SAT359D SAT360D SAT052D

Revision: December 2006

AT-368

2006 Sentra

ASSEMBLY
10. Install rear planetary carrier on transmission case.
11. Install thrust needle bearing on front planetary carrier. G Apply petroleum jelly to thrust needle bearing. G Pay attention to direction of thrust needle bearing.
12. Install low one-way clutch to front planetary carrier by turning it in the direction of the arrow as shown.
13. While holding front planetary carrier, turn low one-way clutch. Check low one-way clutch for correct directions of lock and unlock.
14. Install front planetary carrier assembly on transmission case.

[RE4F03B]
A B AT
SAT362D
D E F G
SAT363D
H I J K
SAT048D
L M
SAT047D

Revision: December 2006

AT-369

2006 Sentra

ASSEMBLY
15. Install snap ring with screwdriver. G Forward clutch and bearings must be correctly installed for snap ring to fit groove of transmission case.
16. Install needle bearing on front sun gear. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
17. Install front sun gear on front planetary carrier.
18. Install needle bearing on front sun gear. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.

[RE4F03B]
SAT046D SAT367D SAT368D SAT369D

Revision: December 2006

AT-370

2006 Sentra

ASSEMBLY
19. Install high clutch hub on front sun gear.
20. Install needle bearing on high clutch hub. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
21. Remove paper rolled around input shaft. 22. Install input shaft assembly.
G Align teeth of high clutch drive plates before installing.
23. Install reverse clutch assembly. G Align teeth of reverse clutch drive plates before installing.

[RE4F03B]
A
B
AT
SAT370D
D
E
F
G
SAT371D
H
I
J
K
SAT372D
L
M

Adjustment (2)
When any parts listed below are replaced, adjust total end play and reverse clutch end play.

Part name
Transmission case Overrun clutch hub Rear internal gear Rear planetary carrier

Total end play
G G G G

Reverse clutch end play G G G G

Revision: December 2006

AT-371

SAT373D ECS0061A
2006 Sentra

ASSEMBLY

Part name
Rear sun gear Front planetary carrier Front sun gear High clutch hub High clutch drum Oil pump cover Reverse clutch drum

Total end play
G G G G G G --

Reverse clutch end play G G G G G G G

TOTAL END PLAY
G Measure clearance between reverse clutch drum and needle bearing for oil pump cover.
G Select proper thickness of bearing race so that end play is within specifications.

1. Measure dimensions "K" and "L" and then calculate dimension "J".

a. Measure dimension "K".

[RE4F03B]
SAT374D SAT375D SAT376D

Revision: December 2006

AT-372

2006 Sentra

ASSEMBLY
b. Measure dimension "L". c. Calculate dimension "J".
"J": Distance between oil pump fitting surface of transmission case and needle bearing mating surface of high clutch drum
J = K - L
2. Measure dimension "M".

a. Place bearing race and needle bearing on oil pump assembly.
b. Measure dimension "M". "M": Distance between transmission case fitting surface and needle bearing on oil pump cover "M1 ": Indication of gauge

c. Measure thickness of straightedge "t".

M = M1 - t
3. Adjust total end play "T3 ". T3 = J - M Total end play "T3 : 0.25 - 0.55 mm (0.0098 - 0.0217 in) "

G Select proper thickness of bearing race so that total end play is within specifications.

Bearing races

: Refer to AT-392, "BEARING RACE FOR ADJUSTING TOTAL END PLAY"

Revision: December 2006

AT-373

[RE4F03B]
A B AT
SAT377D
D E F G
SAT378D
H I J K
SAT379D
L M
SAT443D
2006 Sentra

ASSEMBLY
REVERSE CLUTCH END PLAY G Measure clearance between oil pump cover and thrust washer
for reverse clutch drum. G Select proper thickness of thrust washer so that end play is
within specifications.
1. Measure dimensions "O" and "P" and then calculate dimension "N".
a. Place thrust washer on reverse clutch drum.
b. Measure dimension "O". c. Measure dimension "P". d. Calculate dimension "N".
"N": Distance between oil pump fitting surface of transmission case and thrust washer on reverse clutch drum
N = O - P

Revision: December 2006

AT-374

[RE4F03B]
SAT380D SAT381D SAT382D SAT383D
2006 Sentra

ASSEMBLY
2. Measure dimensions "R" and "S" and then calculate dimension "Q".

[RE4F03B]
A

a. Measure dimension "R".

AT
SAT384D
D
E

SAT385D

b. Measure dimension "S".

c. Calculate dimension "Q".

"Q": Distance between transmission case fitting surface

and thrust washer mating surface

Q = R - S

3. Adjust reverse clutch end play "T4 ".

T4 = N - Q

Reverse clutch end : 0.65 - 1.00 mm (0.0256 - 0.0394

play

in)

SAT386D

G Select proper thickness of thrust washer so that reverse clutch end play is within specifications.

Thrust washer

: Refer to AT-392, "THRUST WASHERS FOR ADJUSTING REVERSE CLUTCH END PLAY"

Assembly (3)
1. Remove reverse clutch assembly and install needle bearing on high clutch assembly. G Pay attention to direction of needle bearing.
2. Install reverse clutch assembly.

L
M
ECS0061B

Revision: December 2006

AT-375

SAT387D
2006 Sentra

ASSEMBLY
3. Install anchor end pin and lock nut on transmission case. 4. Place brake band on outside of reverse clutch drum. Tighten
anchor end pin just enough so that brake band is evenly fitted on reverse clutch drum.
5. Place bearing race selected in total end play adjustment step on oil pump cover. G Apply petroleum jelly to bearing race.
6. Place thrust washer selected in reverse clutch end play step on reverse clutch drum. G Apply petroleum jelly to thrust washer.
7. Install oil pump assembly on transmission case.

[RE4F03B]
SAT038D SAT389D SAT390D SAT391D

Revision: December 2006

AT-376

2006 Sentra

ASSEMBLY
8. Tighten oil pump fixing bolts to specified torque. : 18 - 21 N·m (1.8 - 2.1 kg-m, 13 - 15 ft-lb)
9. Install O-ring to input shaft. G Apply ATF to O-ring.

10. Adjust brake band.

a. Tighten anchor end pin to specified torque.

Anchor end : 3.9 - 5.9 N·m (0.4 - 0.6 kg-m, 35 - 52 in-

lb)

b. Back off anchor end pin two and a half turns.

c. While holding anchor end pin, tighten lock nut.

Revision: December 2006

AT-377

[RE4F03B]
A B AT
SAT392D
D E F G
SAT034D
H I J K
SAT394D
L M
SAT395D
SAT396D
2006 Sentra

ASSEMBLY
11. Apply compressed air to oil holes of transmission case and check operation of brake band.
Assembly (4)
1. Install final drive assembly on transmission case.
2. Install oil tube on converter housing.

[RE4F03B]
SAT397D ECS0061C
SAT030D
SAT033DA

Revision: December 2006

AT-378

2006 Sentra

ASSEMBLY

3. Install O-ring on differential oil port of transmission case.
4. Install converter housing on transmission case. G Apply locking sealant to mating surface of converter housing.

Bolt

Length mm (in)

32.8 (1.291)

40 (1.57)

5. Install accumulator piston. a. Check contact surface of accumulator piston for damage.

b. Install O-rings on accumulator piston. G Apply ATF to O-rings.

Accumulator piston O- : Refer to AT-392, "O-

rings

RING" .

c. Install accumulator pistons and return springs on transmission case.
G Apply ATF to inner surface of transmission case.

Return springs

: Refer to AT-392, "RETURN SPRING" .

Revision: December 2006

AT-379

[RE4F03B]
A

G
SAT405D
H

SAT406DA

SAT407DA

SAT878J
2006 Sentra

ASSEMBLY
6. Install lip seals for band servo oil holes on transmission case.

[RE4F03B]
SAT021D

G Apply petroleum jelly to lip seals. 7. Install control valve assembly. a. Insert manual valve into control valve assembly.
G Apply ATF to manual valve.
b. Pass solenoid harness through transmission case and install terminal body on transmission case by pushing it.
c. Install stopper ring to terminal body.

SAT022D SAT017D AAT261A

Revision: December 2006

AT-380

2006 Sentra

ASSEMBLY

d. Tighten bolts A , B and C .

: 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)

Bolt length, number and location

Bolt symbol Bolt length "l"

A
40.0 mm (1.575 in)

Number of bolts

8. Install oil pan. a. Attach magnet to oil pan.

B 33.0 mm (1.299 in)
6

C 43.5 mm (1.713 in)
2

b. Install new oil pan gasket on transmission case. c. Install oil pan on transmission case.
G Always replace oil pan bolts as they are self-sealing bolts.
G Tighten the bolts in a criss-cross pattern to prevent dislocation of gasket.
d. Tighten drain plug to specified torque.

Revision: December 2006

AT-381

[RE4F03B]
A B AT D E F G
AAT260A
H I J K L
SAT418D
M
SAT128E
2006 Sentra

ASSEMBLY
9. Install PNP switch. a. Set manual shaft in "P" position. b. Temporarily install PNP switch on manual shaft. c. Move selector lever to "N" position.
d. Use a 4 mm (0.157 in) pin for this adjustment. 1. Insert the pin straight into the manual shaft adjustment hole. 2. Rotate PNP switch until the pin can also be inserted straight into hole in PNP switch.
e. Tighten PNP switch fixing bolts. f. Remove pin from adjustment hole after adjusting PNP switch.
10. Install oil charging pipe and oil cooler tube to transmission case.
11. Install torque converter. a. Pour ATF into torque converter.
G Approximately 1 liter (1-1/8 US qt, 7/8 Imp qt) of fluid is required for a new torque converter.
G When reusing old torque converter, add the same amount of fluid as was drained.

[RE4F03B]
SAT023JB SAT426DB SAT586H SAT428DA

Revision: December 2006

AT-382

2006 Sentra

ASSEMBLY
b. Install torque converter while aligning notches of torque converter with notches of oil pump.

c. Measure distance "A" to check that torque converter is in proper position.

Distance "A"

: 21.1 mm (0.831 in)

[RE4F03B]
A B AT
SAT429D
D E F G
SAT430D
H I J K L M

Revision: December 2006

AT-383

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS) General Specifications

[RE4F03B]
PFP:00030
ECS0061D

Engine Automatic transaxle model Automatic transaxle assembly
Transaxle gear ratio

Model code number 1st 2nd 3rd 4th Reverse Final drive

Recommended fluid

Fluid capacity
*1: Refer to MA-13, "Fluids and Lubricants" .
Shift Schedule
VEHICLE SPEED WHEN SHIFTING GEARS QG18DE (Calif. CA Model)

QG18DE RE4F03B
3AX60 2.861 1.562 1.000 0.698 2.230 3.827 Nissan Matic "D" (Continental U.S. and Alaska) or Genuine Nissan Automatic Transmission Fluid (Canada)*1 7.0l (7-3/8 US qt, 6-1/8 Imp qt)
ECS0061E

Throttle position Full throttle Half throttle

Shift pattern
Comfort
Comfort

D1 D2
54 - 62 (34 - 39)
32 - 40 (20 - 25)

D2 D3
103 - 111 (64 - 69)
60 - 68 (37 - 42)

Vehicle speed km/h (MPH)

D3 D4 D4 D3 D3 D2

163 - 171 159 - 167 (101 - 106) (99 - 104)

93 - 101 (58 - 63)

124 - 132 (77 - 82)

70 - 78 (43 - 48)

35 - 43 (22 - 27)

D2 D1
41 - 49 (25 - 30)
25 - 33 (16 - 21)

12 11
54 - 62 (34 - 39)
54 - 62 (34 - 39)

QG18DE (Except Calif. CA Model)

Throttle position Full throttle Half throttle

Shift pattern
Comfort
Comfort

D1 D2
52 - 60 (32 - 37)
31 - 39 (19 - 24)

D2 D3
100 - 108 (62 - 67)
58 - 66 (36 - 41)

Vehicle speed km/h (MPH)

D3 D4 D4 D3 D3 D2

158 - 166 154 - 162 (98 - 103) (96 - 101)

70 - 98 (56 - 61)

119 - 127 (74 - 79)

68 - 76 (42 - 47)

34 - 42 (21 - 26)

D2 D1
41 - 49 (25 - 30)
24 - 32 (15 - 20)

12 11
52 - 60 (32 - 37)
52 - 60 (32 - 37)

VEHICLE SPEED WHEN PERFORMING LOCK-UP QG18DE (Calif. CA Model)

Throttle opening 2/8

OD switch
ON (D4 ) OFF (D3 )

Shift pattern
Comfort Comfort

Vehicle speed km/h (MPH)

Lock-up ON

Lock-up OFF

97 - 105 (60 - 65)

63 - 71 (39 - 44)

86 - 94 (53 - 58)

83 - 91 (52 - 57)

QG18DE (Except Calif. CA Model)

Throttle opening 2/8

OD switch
ON (D4 ) OFF (D3 )

Shift pattern
Comfort Comfort

Vehicle speed km/h (MPH)

Lock-up ON

Lock-up OFF

94 - 102 (58 - 63)

61 - 69 (38 - 43)

86 - 94 (53 - 58)

83 - 91 (52 - 57)

Stall Revolution

ECS0061F

Engine model QG18DE

Stall revolution rpm 2,350 - 2,800

Revision: December 2006

AT-384

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

Line Pressure
Engine speed rpm
Idle Stall

R position 778 (7.9, 113) 1,816 (18.5, 263)

Line pressure kPa (kg/cm2 , psi)

D position

2 position

500 (5.1, 73)

1,167 (11.9, 169)

ECS0061G
A

1 position

500 (5.1, 73)

1,167 (11.9, 169)

Control Valves
CONTROL VALVE AND PLUG RETURN SPRINGS

AT ECS0061H
Unit: mm (in)

No .

Parts

Part No.*

Free length

Outer diameter

Upper body Refer to AT-306, "CONTROL VALVE UPPER BODY" .

35 3-2 timing valve spring

19 Cooler check valve spring

23 Pilot valve spring

15 1-2 accumulator valve spring

28 1-2 accumulator piston spring

33 1st reducing valve spring

2 Overrun clutch reducing valve spring

7 Torque converter relief valve spring

Torque converter clutch control valve spring

34 Shuttle control valve spring

31736-01X00 31742-3AX05 31742-3AX03 31742-3AX00 31742-3AX09 31742-80X05 31742-80X06 31742-3AX04
31742-3AX02
31762-41X04

23.29 (0.917) 28.04 (1.1039) 38.98 (1.5346)
20.5 (0.807) 55.66 (2.1913)
27.0 (1.063) 37.5 (1.476) 33.3 (1.3110)
53.01 (2.0870)
51.0 (2.0079)

6.65 (0.2618)

7.15 (0.2815)

8.9 (0.350)

6.95 (0.2736)

19.5 (0.7677)

7.0 (0.276)

9.0 (0.354)

6.5 (0.256)

5.65 (0.2224)

Lower body Refer to AT-310, "CONTROL VALVE LOWER BODY" .

18 Pressure regulator valve spring 23 Overrun clutch control valve spring 27 Accumulator control valve spring 29 Shift valve A spring 2 Shift valve B spring 11 Pressure modifier valve spring 7 Pressure modifier valve spring -- Oil cooler relief valve spring

31742-80X13 31762-80X00 31742-80X02 31762-80X00 31762-80X00 31742-41X15 31742-80X16 31872-31X00

45.0 (1.772) 21.7 (0.854) 22.0 (0.866) 21.7 (0.854) 21.7 (0.854) 30.5 (1.201) 32.0 (1.260) 17.02 (0.6701)

15.0 (0.591)

7.0 (0.276)

6.5 (0.256)

7.0 (0.276)

9.8 (0.386)

6.9 (0.272)

8.0 (0.315)

-- T/C pressure spring

31742-3AX11

*: Always check with the Parts Department for the latest parts information.

9.0 (0.354)

7.3 (0.287)

Clutch, Brake and Brake Band
REVERSE CLUTCH

ECS0061I
M

Number of drive plates

Number of driven plates

Drive plate thickness mm (in)

Standard Allowable limit

2.0 (0.079) 1.8 (0.071)

Clearance mm (in)

Standard Allowable limit

0.5 - 0.8 (0.020 - 0.031) 1.2 (0.047)

Thickness of retaining plates

Thickness mm (in)
4.4 (0.173) 4.6 (0.181) 4.8 (0.189) 5.0 (0.197) 5.2 (0.205)

Part number*
31537-31X00 31537-31X01 31537-31X02 31537-31X03 31537-31X04

*: Always check with the Parts Department for the latest parts information.

Revision: December 2006

AT-385

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

HIGH CLUTCH

Number of drive plates

Number of driven plates

Drive plate thickness mm (in)

Standard Allowable limit

2.0 (0.079) 1.8 (0.071)

Clearance mm (in)

Standard Allowable limit

1.4 - 1.8 (0.055 - 0.071) 2.4 (0.094)

Thickness of retaining plates

Thickness mm (in)
4.8 (0.189) 5.0 (0.197) 5.2 (0.205) 5.4 (0.213) 5.6 (0.220) 5.8 (0.228) 6.0 (0.236)

Part number*
31537-32X05 31537-32X06 31537-32X07 31537-32X08 31537-32X09 31537-32X10 31537-32X11

*: Always check with the Parts Department for the latest parts information.

FORWARD CLUTCH

Number of drive plates

Number of driven plates

Drive plate thickness mm (in)

Standard Allowable limit

1.8 (0.071) 1.6 (0.063)

Clearance mm (in)

Standard Allowable limit

0.45 - 0.85 (0.0177 - 0.0335) 1.85 (0.0728)

Thickness mm (in)

Part number*

Thickness of retaining plate *: Always check with the Parts Department for the latest parts information.

3.6 (0.142) 3.8 (0.150) 4.0 (0.157) 4.2 (0.165) 4.4 (0.173) 4.6 (0.181)

31537-31X60 31537-31X61 31537-31X62 31537-31X63 31537-31X64 31537-31X65

OVERRUN CLUTCH

Number of drive plates

Number of driven plates

Drive plate thickness mm (in) Clearance mm (in)

Standard Allowable limit Standard Allowable limit

1.6 (0.063) 1.4 (0.055) 1.0 - 1.4 (0.039 - 0.055) 2.0 (0.079)

Thickness mm (in)

Part number*

Thickness of retaining plate

3.6 (0.142) 3.8 (0.150) 4.0 (0.157) 4.2 (0.165) 4.4 (0.173)

31567-31X79 31567-31X80 31567-31X81 31567-31X82 31567-31X83

*: Always check with the Parts Department for the latest parts information.

LOW & REVERSE BRAKE

Number of drive plates

Number of driven plates

4 + 1

Revision: December 2006

AT-386

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

Drive plate thickness mm (in)

Standard Allowable limit

2.0 (0.079)
A
1.8 (0.071)

Clearance mm (in)

Standard Allowable limit

1.4 - 1.8 (0.055 - 0.071)

2.8 (0.110)

Thickness mm (in)

Part number*

Thickness of retaining plate

3.6 (0.142) 3.8 (0.150) 4.0 (0.157) 4.2 (0.165) 4.4 (0.173) 4.6 (0.181)

31667-31X16

31667-31X17

31667-31X18

31667-31X19

31667-31X20

31667-31X21

*: Always check with the Parts Department for the latest parts information.

BRAKE BAND
Anchor end pin tightening torque Number of returning revolutions for anchor end pin Lock nut tightening torque

E
3.5 - 5.9 N-m (0.35 - 0.6 kg-m, 31 - 52 in-lb)

2.5±0.125

31 - 36 N-m (3.2 - 3.7 kg-m, 23 - 27 ft-lb)

Clutch and Brake Return Springs

Parts

Free length

Forward clutch (Overrun clutch)

Outer (16 pcs)
Inner (16 pcs)

26.6 (1.047) 26.3 (1.035)

Reverse clutch (16 pcs)

18.6 (0.732)

High clutch (12 pcs)

19.7 (0.776)

Low reverse brake (20 pcs)

25.1 (0.988)

*: Always check with the Parts Department for the latest parts information.

Outer diameter 10.6 (0.417)
7.7 (0.303) 8.0 (0.315) 11.1 (0.437) 7.6 (0.299)

ECS0061J
Unit: mm (in) G
Part number*

31505-31X02

31505-31X03

31505-31X00

31505-31X01

31505-31X04

Oil Pump
Oil pump side clearance mm (in)

0.02 - 0.04 (0.0008 - 0.0016)

ECS0061K
K

Inner gear

Thickness mm (in)

Part number*

Thickness of inner gears and outer gears

9.99 - 10.00 (0.3933 - 0.3937)

31346-31X00

9.98 - 9.99 (0.3929 - 0.3933)

31346-31X01

9.97 - 9.98 (0.3925 - 0.3929)

31346-31X02

Outer gear

Thickness mm (in)

Part number*

9.99 - 10.00 (0.3933 - 0.3937) 9.98 - 9.99 (0.3929 - 0.3933) 9.97 - 9.98 (0.3925 - 0.3929)

31347-31X00 31347-31X01 31347-31X02

Clearance between oil pump Standard housing and outer gear mm (in) Allowable limit

0.08 - 0.15 (0.0031 - 0.0059) 0.15 (0.0059)

Oil pump cover seal ring clear- Standard

ance mm (in)

Allowable limit

0.1 - 0.25 (0.0039 - 0.0098) 0.25 (0.0098)

*: Always check with the Parts Department for the latest parts information.

Input Shaft
Input shaft seal ring clearance

Standard Allowable limit

ECS0061L
Unit: mm (in) 0.08 - 0.23 (0.0031 - 0.0091)
0.23 (0.0091)

Revision: December 2006

AT-387

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

Planetary Carrier

ECS0061M
Unit: mm (in)

Clearance between planetary carrier and pinion washer

Standard Allowable limit

0.15 - 0.70 (0.0059 - 0.0276) 0.80 (0.0315)

Final Drive
DIFFERENTIAL SIDE GEAR CLEARANCE

ECS0061N

Clearance between side gear and differential case with washer

0.1 - 0.2 mm (0.004 - 0.008 in)

DIFFERENTIAL SIDE GEAR THRUST WASHERS

Thickness mm (in)
0.75 - 0.80 (0.0295 - 0.0315) 0.80 - 0.85 (0.0315 - 0.0335) 0.85 - 0.90 (0.0335 - 0.0354) 0.90 - 0.95 (0.0354 - 0.0374) 0.95 - 1.00 (0.0374 - 0.0394)
*: Always check with the Parts Department for the latest parts information.

Part number*
38424-D2111 38424-D2112 38424-D2113 38424-D2114 38424-D2115

BEARING PRELOAD

Differential side bearing preload "T"

0.04 - 0.09 mm (0.0016 - 0.0035 in)

TURNING TORQUE

Turning torque of final drive assembly

0.49 - 1.08 N-m (5.0 - 11.0 kg-cm, 4.3 - 9.5 in-lb)

DIFFERENTIAL SIDE BEARING ADJUSTING SHIMS

Thickness mm (in)
0.40 (0.0157) 0.44 (0.0173) 0.48 (0.0189) 0.52 (0.0205) 0.56 (0.0220) 0.60 (0.0236) 0.64 (0.0252) 0.68 (0.0268) 0.72 (0.0283) 0.76 (0.0299) 0.80 (0.0315) 0.84 (0.0331) 0.88 (0.0346) 0.92 (0.0362) 1.44 (0.0567)
*: Always check with the Parts Department for the latest parts information.

Part number*
31499-21X07 31499-21X08 31499-21X09 31499-21X10 31499-21X11 31499-21X12 31499-21X13 31499-21X14 31499-21X15 31499-21X16 31499-21X17 31499-21X18 31499-21X19 31499-21X20 31499-21X21

Revision: December 2006

AT-388

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

TABLE FOR SELECTING DIFFERENTIAL SIDE BEARING ADJUSTING SHIMS

Dial indicator deflection
0.31 - 0.35 (0.0122 - 0.0138) 0.35 - 0.39 (0.0138 - 0.0154) 0.39 - 0.43 (0.0154 - 0.0169) 0.43 - 0.47 (0.0169 - 0.0185) 0.47 - 0.51 (0.0185 - 0.0201) 0.51 - 0.55 (0.0201 - 0.0217) 0.55 - 0.59 (0.0217 - 0.0232) 0.59 - 0.63 (0.0232 - 0.0248) 0.63 - 0.67 (0.0248 - 0.0264) 0.67 - 0.71 (0.0264 - 0.0280) 0.71 - 0.75 (0.0280 - 0.0295) 0.75 - 0.79 (0.0295 - 0.0311) 0.79 - 0.83 (0.0311 - 0.0327) 0.83 - 0.87 (0.0327 - 0.0343) 0.87 - 0.91 (0.0343 - 0.0358) 0.91 - 0.95 (0.0358 - 0.0374) 0.95 - 0.99 (0.0374 - 0.0390) 0.99 - 1.03 (0.0390 - 0.0406) 1.03 - 1.07 (0.0406 - 0.0421) 1.07 - 1.11 (0.0421 - 0.0437) 1.11 - 1.15 (0.0437 - 0.0453) 1.15 - 1.19 (0.0453 - 0.0469) 1.19 - 1.23 (0.0469 - 0.0484) 1.23 - 1.27 (0.0484 - 0.0500) 1.27 - 1.31 (0.0500 - 0.0516) 1.31 - 1.35 (0.0516 - 0.0531) 1.35 - 1.39 (0.0531 - 0.0547) 1.39 - 1.43 (0.0547 - 0.0563) 1.43 - 1.47 (0.0563 - 0.0579) 1.47 - 1.51 (0.0579 - 0.0594) 1.51 - 1.55 (0.0594 - 0.0610) 1.55 - 1.59 (0.0610 - 0.0626) 1.59 - 1.63 (0.0626 - 0.0642) 1.63 - 1.67 (0.0642 - 0.0657) 1.67 - 1.71 (0.0657 - 0.0673) 1.71 - 1.75 (0.0673 - 0.0689) 1.75 - 1.79 (0.0689 - 0.0705) 1.79 - 1.83 (0.0705 - 0.0720) 1.83 - 1.87 (0.0720 - 0.0736) 1.87 - 1.91 (0.0736 - 0.0752) 1.91 - 1.95 (0.0752 - 0.0768)

Suitable shim(s)
0.40 (0.0157) 0.44 (0.0173) 0.48 (0.0189) 0.52 (0.0205) 0.56 (0.0220) 0.60 (0.0236) 0.64 (0.0252) 0.68 (0.0268) 0.72 (0.0283) 0.76 (0.0299) 0.80 (0.0315) 0.84 (0.0331) 0.88 (0.0346) 0.92 (0.0362) 0.48 (0.0189) + 0.48 (0.0189) 0.48 (0.0189) + 0.52 (0.0205) 0.52 (0.0205) + 0.52 (0.0205) 0.52 (0.0205) + 0.56 (0.0220) 0.56 (0.0220) + 0.56 (0.0220) 0.56 (0.0220) + 0.60 (0.0236) 0.60 (0.0236) + 0.60 (0.0236) 0.60 (0.0236) + 0.64 (0.0252) 0.64 (0.0252) + 0.64 (0.0252) 0.64 (0.0252) + 0.68 (0.0268) 0.68 (0.0268) + 0.68 (0.0268) 0.68 (0.0268) + 0.72 (0.0283) 1.44 (0.0567) 0.72 (0.0283) + 0.76 (0.0299) 0.76 (0.0299) + 0.76 (0.0299) 0.76 (0.0299) + 0.80 (0.0315) 0.80 (0.0315) + 0.80 (0.0315) 0.80 (0.0315) + 0.84 (0.0331) 0.84 (0.0331) + 0.84 (0.0331) 0.84 (0.0331) + 0.88 (0.0346) 0.88 (0.0346) + 0.88 (0.0346) 0.88 (0.0346) + 0.92 (0.0362) 0.92 (0.0362) + 0.92 (0.0362) 0.92 (0.0362) + 0.96 (0.0378) 0.96 (0.0378) + 0.96 (0.0378) 0.52 (0.0205) + 1.44 (0.0567) 0.56 (0.0220) + 1.44 (0.0567)

Unit: mm (in) A B
AT D E F G H I J K L

Reduction Pinion Gear
BEARING PRELOAD

ECS0061O

Reduction pinion gear bearing preload

0.05 mm (0.0020 in)

TURNING TORQUE

Turning torque of reduction pinion gear

0.1 - 0.69 N-m (1.1 - 7.0 kg-cm, 0.95 - 6.08 in-lb)

Revision: December 2006

AT-389

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

REDUCTION PINION GEAR BEARING ADJUSTING SHIMS
Thickness mm (in)
1.74 (0.0685) 1.78 (0.0701) 1.82 (0.0717) 1.86 (0.0732) 1.90 (0.0748) 1.92 (0.0756) 1.94 (0.0764) 1.96 (0.0772) 1.98 (0.0780) 2.00 (0.0787) 2.02 (0.0795) 2.04 (0.0803) 2.06 (0.0811) 2.08 (0.0819) 2.10 (0.0827) 2.12 (0.0835) 2.14 (0.0843) 2.16 (0.0850) 2.18 (0.0858) 2.20 (0.0866) 2.22 (0.0874) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.30 (0.0906) 2.34 (0.0921) 2.38 (0.0937) 2.42 (0.0953) 2.46 (0.0969) 2.50 (0.0984) 2.54 (0.1000) 2.58 (0.1016) 2.62 (0.1031) 2.66 (0.1047)
*: Always check with the Parts Department for the latest parts information.

Part number*
31438-31X16 31438-31X17 31438-31X18 31438-31X19 31438-31X20 31439-31X60 31438-31X21 31439-31X61 31438-31X22 31439-31X62 31438-31X23 31439-31X63 31438-31X24 31439-31X64 31438-31X60 31439-31X65 31438-31X61 31439-31X66 31438-31X62 31439-31X67 31438-31X63 31439-31X68 31438-31X64 31439-31X69 31438-31X65 31438-31X66 31438-31X67 31438-31X68 31438-31X69 31438-31X70 31438-31X71 31438-31X72 31438-31X73 31438-31X74

[RE4F03B]

Revision: December 2006

AT-390

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

TABLE FOR SELECTING REDUCTION PINION GEAR BEARING ADJUSTING SHIM

Dimension "T"
1.77 - 1.81 (0.0697 - 0.0713) 1.81 - 1.85 (0.0713 - 0.0728) 1.85 - 1.89 (0.0728 - 0.0744) 1.89 - 1.93 (0.0744 - 0.0760) 1.93 - 1.96 (0.0760 - 0.0772) 1.96 - 1.98 (0.0772 - 0.0780) 1.98 - 2.00 (0.0780 - 0.0787) 2.00 - 2.02 (0.0787 - 0.0795) 2.02 - 2.04 (0.0795 - 0.0803) 2.04 - 2.06 (0.0803 - 0.0811) 2.06 - 2.08 (0.0811 - 0.0819) 2.08 - 2.10 (0.0819 - 0.0827) 2.10 - 2.12 (0.0827 - 0.0835) 2.12 - 2.14 (0.0835 - 0.0843) 2.14 - 2.16 (0.0843 - 0.0850) 2.16 - 2.18 (0.0850 - 0.0858) 2.18 - 2.20 (0.0858 - 0.0866) 2.20 - 2.22 (0.0866 - 0.0874) 2.22 - 2.24 (0.0874 - 0.0888) 2.24 - 2.26 (0.0882 - 0.0890) 2.26 - 2.28 (0.0890 - 0.0898) 2.28 - 2.30 (0.0898 - 0.0906) 2.30 - 2.32 (0.0906 - 0.0913) 2.32 - 2.34 (0.0913 - 0.0921) 2.34 - 2.37 (0.0921 - 0.0933) 2.37 - 2.41 (0.0933 - 0.0949) 2.41 - 2.45 (0.0949 - 0.0965) 2.45 - 2.49 (0.0965 - 0.0980) 2.49 - 2.53 (0.0980 - 0.0996) 2.53 - 2.57 (0.0996 - 0.1012) 2.57 - 2.61 (0.1012 - 0.1028) 2.61 - 2.65 (0.1028 - 0.1043) 2.65 - 2.69 (0.1043 - 0.1059) 2.69 - 2.73 (0.1059 - 0.1075)

Suitable shim(s)
1.74 (0.0685) 1.78 (0.0701) 1.82 (0.0717) 1.86 (0.0732) 1.90 (0.0748) 1.92 (0.0756) 1.94 (0.0764) 1.96 (0.0772) 1.98 (0.0780) 2.00 (0.0787) 2.02 (0.0795) 2.04 (0.0803) 2.06 (0.0811) 2.08 (0.0819) 2.10 (0.0827) 2.12 (0.0835) 2.14 (0.0843) 2.16 (0.0850) 2.18 (0.0858) 2.20 (0.0866) 2.22 (0.0874) 2.24 (0.0882) 2.26 (0.0890) 2.28 (0.0898) 2.30 (0.0906) 2.34 (0.0921) 2.38 (0.0937) 2.42 (0.0953) 2.46 (0.0969) 2.50 (0.0984) 2.54 (0.1000) 2.58 (0.1016) 2.62 (0.1031) 2.66 (0.1047)

Unit: mm (in) A B
AT D E F G H I J

Output Shaft
SEAL RING CLEARANCE

ECS0061P

Unit: mm (in)

Output shaft seal ring clearance

Standard Allowable limit

0.10 - 0.25 (0.0039 - 0.0098)

0.25 (0.0098)

END PLAY
Output shaft end play

M
0 - 0.5 mm (0 - 0.020 in)

OUTPUT SHAFT END PLAY ADJUSTING SHIMS

Thickness mm (in)
0.56 (0.0220) 0.96 (0.0378) 1.36 (0.0535)
*: Always check with the Parts Department for the latest parts information.

Part number*
31438-31X46 31438-31X47 31438-31X48

Bearing Retainer
SEAL RING CLEARANCE

ECS0061Q
Unit: mm (in)

Bearing retainer seal ring clearance

Standard Allowable limit

0.10 - 0.25 (0.0039 - 0.0098) 0.25 (0.0098)

Revision: December 2006

AT-391

2006 Sentra

Total End Play
Total end play "T3 "

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

0.25 - 0.55 mm (0.0098 - 0.0217 in)

ECS0061R

BEARING RACE FOR ADJUSTING TOTAL END PLAY
Thickness mm (in)
0.6 (0.024) 0.8 (0.031) 1.0 (0.039) 1.2 (0.047) 1.4 (0.055) 1.6 (0.063) 1.8 (0.071) 2.0 (0.079)
*: Always check with the Parts Department for the latest parts information.
Reverse Clutch End Play
Reverse clutch end play "T4 "

Part number* 31435-31X01 31435-31X02 31435-31X03 31435-31X04 31435-31X05 31435-31X06 31435-31X07 31435-31X08
0.65 - 1.00 mm (0.0256 - 0.0394 in)

ECS0061S

THRUST WASHERS FOR ADJUSTING REVERSE CLUTCH END PLAY

Thickness mm (in)

Part number*

0.65 (0.0256) 0.80 (0.0315) 0.95 (0.0374) 1.10 (0.0433) 1.25 (0.0492) 1.40 (0.0551)

31508-31X10 31508-31X11 31508-31X12 31508-31X13 31508-31X14 31508-31X15

*: Always check with the Parts Department for the latest parts information.

Accumulator
O-RING

ECS0061T
Unit: mm (in)

Accumulator

Diameter (Small)

Part number*

Diameter (Large)

Part number*

Servo release accumulator

26.9 (1.059)

31526-41X03

44.2 (1.740)

31526-41X02

N-D accumulator

34.6 (1.362)

31526-31X08

39.4 (1.551)

31672-21X00

*: Always check with the Parts Department for the latest parts information.

RETURN SPRING

Unit: mm (in)

Accumulator

Free length

Outer diameter

Part number*

Servo release accumulator spring

52.5 (2.067)

20.1 (0.791)

31605-80X00

N-D accumulator spring

45.0 (1.772)

27.6 (1.087)

31605-33X01

*: Always check with the Parts Department for the latest parts information.

Band Servo
RETURN SPRING

ECS0061U
Unit: mm (in)

Return spring

Free length

Outer diameter

Part number*

2nd servo return spring

32.5 (1.280)

25.9 (1.020)

31605-31X20

OD servo return spring

38.52 (1.5165)

22.0 (0.866)

31605-31X21

*: Always check with the Parts Department for the latest parts information.

Removal and Installation

ECS0061V
Unit: mm (in)

Distance between end of converter housing and torque converter

21.1 (0.831)

Revision: December 2006

AT-392

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F03B]

Shift Solenoid Valves
Gear

Solenoid A

Solenoid B

ECS0061W
A

1st

2nd

OFF

3rd

OFF

4th

OFF

Solenoid Valve

ECS0061X

Solenoid valve
Shift solenoid A Shift solenoid B Ovr. clutch sol. Line pres. sol. T/conv. clutch sol.
A/T Fluid Temperature Sensor

Resistance (Approx.) 20 - 30 5 - 20 20 - 30 2.5 - 5 5 - 20

Terminal number
2 1 3 4 5

D E F
ECS0061Y

Monitor Item A/T fluid temperature sensor

Condition
Cold [20°C (68°F)]
Hot [80°C (176°F)]

Specification

(Approx.)

1.5V
0.5V

2.5 k

0.3 k

Revolution Sensor
Condition
When moving at 20 km/h (12 MPH), use the CONSULT-II pulse frequency measuring function. *1 CAUTION: Connect the diagnosis data link cable to the vehicle diagnosis connector. *1: A circuit tester cannot be used to test this item.
When vehicle not moving.

Judgement standard Approximately 150 Hz Under 1.3V or over 4.5V

ECS0061Z
I
J
K

Dropping Resistor
Resistance

10 - 15

ECS00620
L

Revision: December 2006

AT-393

2006 Sentra

TROUBLE DIAGNOSIS - INDEX

[RE4F04B]

TROUBLE DIAGNOSIS - INDEX

PFP:00000

Alphabetical & P No. Index for DTC
ALPHABETICAL INDEX FOR DTC

ECS00621

Items (CONSULT-II screen terms)

DTC
CONSULT-II GST*1

Reference page

A/T 1ST GR FNCTN

P0731

AT-507

A/T 2ND GR FNCTN

P0732

AT-512

A/T 3RD GR FNCTN

P0733

AT-517

A/T 4TH GR FNCTN

P0734

AT-522

A/T TCC S/V FNCTN

P0744

AT-534

ATF TEMP SEN/CIRC

P0710

AT-492

ENGINE SPEED SIG

P0725

AT-503

L/PRESS SOL/CIRC

P0745

AT-542

O/R CLTCH SOL/CIRC

P1760

AT-563

PNP SW/CIRC

P0705

AT-486

SFT SOL A/CIRC*2

P0750

AT-548

SFT SOL B/CIRC*2

P0755

AT-553

TCC SOLENOID/CIRC

P0740

AT-529

TP SEN/CIRC A/T*2

P1705

AT-558

VEH SPD SEN/CIR AT*3

P0720

AT-498

CAN COMM CIRCUIT

U1000

AT-585

*1: These numbers are prescribed by SAE J2012. *2: When the fail-safe operation occurs, the MIL illuminates. *3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at the same time.

Revision: December 2006

AT-394

2006 Sentra

TROUBLE DIAGNOSIS - INDEX

[RE4F04B]

P NO. INDEX FOR DTC

DTC

CONSULT-II GST*1

P0705

PNP SW/CIRC

Items (CONSULT-II screen terms)

A
Reference page
B
AT-486

P0710

ATF TEMP SEN/CIRC

AT-492

P0720 P0725

VEH SPD SEN/CIR AT*3 ENGINE SPEED SIG

AT-498

AT-503

P0731 P0732

A/T 1ST GR FNCTN A/T 2ND GR FNCTN

AT-507

AT-512

P0733

A/T 3RD GR FNCTN

AT-517

P0734 P0740

A/T 4TH GR FNCTN TCC SOLENOID/CIRC

AT-522

AT-529

P0744 P0745

A/T TCC S/V FNCTN L/PRESS SOL/CIRC

AT-534

AT-542

P0750

SFT SOL A/CIRC*2

AT-548

P0755 P1705

SFT SOL B/CIRC*2 TP SEN/CIRC A/T*2

AT-553

AT-558

P1760 U1000

O/R CLTCH SOL/CIRC CAN COMM CIRCUIT

AT-563

AT-585

*1: These numbers are prescribed by SAE J2012.
*2: When the fail-safe operation occurs, the MIL illuminates.
*3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at I
the same time.

Revision: December 2006

AT-395

2006 Sentra

PRECAUTIONS

[RE4F04B]

PRECAUTIONS

PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT

BELT PRE-TENSIONER"

ECS00622

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. Information necessary to service the system safely is included in the SRS and SB section of this Service Manual.
WARNING: G To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be performed by an authorized NISSAN/INFINITI dealer.
G Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag Module, see the SRS section.
G Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness connectors.

Precautions for On Board Diagnostic (OBD) System of A/T and Engine

ECS00623

The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the driver of a malfunction causing emission deterioration.
CAUTION: G Be sure to turn the ignition switch OFF and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will cause the MIL to light up.
G Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease, dirt, bent terminals, etc.)
G Be sure to route and secure the harnesses properly after work. Interference of the harness with a bracket, etc. may cause the MIL to light up due to a short circuit.
G Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.
G Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM or ECM before returning the vehicle to the customer.

Precautions

ECS00624

G Before connecting or disconnecting the TCM harness connector, turn ignition switch OFF and disconnect negative battery terminal. Failure to do so may damage the TCM, because battery voltage is applied to TCM even if ignition switch is turned off.

SEF289H

Revision: December 2006

AT-396

2006 Sentra

[RE4F04B]
A B

G Before replacing TCM, perform TCM input/output signal inspection and verify whether TCM functions properly or not. Refer to AT-418, "INPUT/OUTPUT SIGNAL OF TCM".

AT
AAT470A
D
E

MEF040DA

G After performing each TROUBLE DIAGNOSIS, perform

"DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-

DURE".

The DTC should not be displayed in the "DTC CONFIRMA-

TION PROCEDURE" if the repair is completed.

G Before proceeding with disassembly, thoroughly clean the out-

side of the transaxle. It is important to prevent the internal parts

from becoming contaminated by dirt or other foreign matter.

G Disassembly should be done in a clean work area.

G Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere with the operation of the transaxle.

K
SAT964I

G Place disassembled parts in order for easier and proper assembly.

G All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or

reassembly.

G Gaskets, seals and O-rings should be replaced any time the transaxle is disassembled.

G It is very important to perform functional tests whenever they are indicated.

G Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.

G Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings and seals, or hold bearings and washers in place during assembly. Do not use grease.

G Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.

G Replace ATF cooler if excessive foreign material is found in oil pan or clogging strainer. Refer to AT-398, "ATF COOLER SERVICE" .

G After overhaul, refill the transaxle with new ATF.

G When the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque converter and ATF cooling system. Always follow the procedures when changing A/T fluid. Refer to MA-32, "Changing A/T Fluid" .

Revision: December 2006

AT-397

2006 Sentra

PRECAUTIONS

[RE4F04B]

Service Notice or Precautions
FAIL-SAFE

ECS00625

The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major electrical input/output device circuit is damaged. Under Fail-Safe, the vehicle always runs in third gear, even with a shift lever position of 1, 2 or D. The customer may complain of sluggish or poor acceleration. When the ignition key is turned ON following Fail-Safe operation, O/D OFF indicator lamp blinks for about 8 seconds. [Or, refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" ]. The blinking of the O/D OFF indicator lamp for about 8 seconds will appear only once and be cleared. The customer may resume normal driving conditions. Always follow the "Work Flow". Refer to AT-446, "Work Flow" . The SELF-DIAGNOSIS results will be as follows:

G The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.

G During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.

TORQUE CONVERTER SERVICE The torque converter should be replaced under any of the following conditions: G External leaks in the hub weld area. G Converter hub is scored or damaged. G Converter pilot is broken, damaged or fits poorly into crankshaft. G Steel particles are found after flushing the cooler and cooler lines. G Pump is damaged or steel particles are found in the converter. G Vehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses
have been made. (Converter clutch material may be glazed.) G Converter is contaminated with engine coolant containing antifreeze. G Internal failure of stator roller clutch. G Heavy clutch debris due to overheating (blue converter). G Steel particles or clutch lining material found in fluid filter or on magnet when no internal parts in unit are
worn or damaged -- indicates that lining material came from converter. The torque converter should not be replaced if: G The fluid has an odor, is discolored, and there is no evidence of metal or clutch facing particles. G The threads in one or more of the converter bolt holes are damaged. G Transaxle failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate lining material in unit and inside the fluid filter. G Vehicle has been exposed to high mileage (only). The exception may be where the torque converter clutch dampener plate lining has seen excess wear by vehicles operated in heavy and/or constant traffic, such as taxi, delivery or police use.

ATF COOLER SERVICE
If A/T fluid contains frictional material (clutches, bands, etc.), replace radiator and flush cooler line using cleaning solvent and compressed air after repair of A/T. Refer to CO-32, "RADIATOR" .

OBD-II SELF-DIAGNOSIS
G A/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through the blinking pattern of the O/D OFF indicator or the malfunction indicator lamp (MIL). Refer to the table on AT-430 for the indicator used to display each self-diagnostic result.
G The self-diagnostic results indicated by the MIL are automatically stored in both the ECM and TCM memories. Always perform the procedure "HOW TO ERASE DTC" on AT-427 to complete the repair and avoid unnecessary blinking of the MIL.
G The following self-diagnostic items can be detected using ECM self-diagnostic results mode* only when the O/D OFF indicator lamp does not indicate any malfunctions.
park/neutral position (PNP) switch *: For details of OBD-II, refer to EC-642, "ON BOARD DIAGNOSTIC (OBD) SYSTEM" .
G Certain systems and components, especially those related to OBD, may use a new style slidelocking type harness connector.

Revision: December 2006

AT-398

2006 Sentra

PRECAUTIONS
For description and how to disconnect, refer to GI-23, "How to Check Terminal" .

[RE4F04B]
A

Revision: December 2006

AT-399

2006 Sentra

PREPARATION

[RE4F04B]

PREPARATION

PFP:00002

Special Service Tools

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number (Kent-Moore No.) Tool name

Description

ECS00627

KV381054S0 (J-34286) Puller

G Removing differential side oil seals G Removing differential side bearing outer
race G Removing idler gear bearing outer race a: 250 mm (9.84 in) b: 160 mm (6.30 in)
NT414

ST33400001 (J-26082) Drift

G Installing differential side oil seal F04B and F04W (RH side)
G Installing oil seal on oil pump housing
a: 60 mm (2.36 in) dia. b: 47 mm (1.85 in) dia.

(J-34301-C) Oil pressure gauge set 1 (J-34301-1) Oil pressure gauge 2 (J-34301-2) Hoses 3 (J-34298) Adapter 4 (J-34282-2) Adapter 5 (790-301-1230-A) 60° Adapter 6 (J-34301-15) Square socket
ST27180001 (J-25726-A) Puller

NT086
G Measuring line pressure

AAT896

G Removing idler gear
a: 100 mm (3.94 in) b: 110 mm (4.33 in) c: M8 x 1.25P

ST23540000 (J-25689-A) Pin punch

NT424
G Removing and installing parking rod plate and manual plate pins
a: 2.3 mm (0.091 in) dia. b: 4 mm (0.16 in) dia.

ST25710000 (J-25689-A) Pin punch

NT442
G Aligning groove of manual shaft and hole of transmission case
a: 2 mm (0.08 in) dia.

NT410

Revision: December 2006

AT-400

2006 Sentra

Tool number (Kent-Moore No.) Tool name
KV32101000 (J-25689-A) Pin punch

KV31102400 (J-34285 and J-34285-87) Clutch spring compressor

KV40100630 (J-26092) Drift

ST30720000 (J-25405 and J-34331) Bearing installer

ST35321000

(

)

Drift

-- (J-34291-A) Shim setting gauge set

ST33230000 (J25805-01) Drift

Revision: December 2006

PREPARATION
NT410 NT423 NT107

Description

[RE4F04B]
A

G Removing and installing manual shaft re-

taining pin

G Removing and installing pinion mate shaft

lock pin

a: 4 mm (0.16 in) dia.

G Removing and installing clutch return

springs

G Installing low and reverse brake piston

a: 320 mm (12.60 in) b: 174 mm (6.85 in)

G Installing reduction gear bearing inner race

G Installing idler gear bearing inner race

a: 67.5 mm (2.657 in) dia.

b: 44 mm (1.73 in) dia.

c: 38.5 mm (1.516 in) dia.

G Installing idler gear bearing outer race

a: 77 mm (3.03 in) dia.

b: 55.5 mm (2.185 in) dia.

J
NT115

G Installing output shaft bearing

a: 49 mm (1.93 in) dia.

b: 41 mm (1.61 in) dia.

NT073

G Selecting oil pump cover bearing race and

oil pump thrust washer

G Selecting side gear thrust washer

NT101
G Installing differential side bearing inner race (RH side)
a: 51 mm (2.01 in) dia. b: 28.5 mm (1.122 in) dia.
NT084

AT-401

2006 Sentra

Tool number (Kent-Moore No.) Tool name
(J-34290) Shim selecting tool set

ST3306S001 (J-22888-D) Differential side bearing puller set 1 ST33051001 (J-22888-D) Puller 2 ST33061000 (J-8107-2) Adapter

ST3127S000

(J-25765-A)

Preload gauge

1 GG91030000

(J-25765-A)

Torque wrench

2 HT62940000

(

)

Socket adapter

3 HT62900000

(

)

Socket adapter

ST35271000 (J-26091) Drift

-- (J-39713) Preload adapter

-- J-45816 E20 TORX socket

PREPARATION
Description

[RE4F04B]

G Selecting differential side bearing adjusting shim

NT080 AMT153

G Removing differential side bearing inner race
a: 38 mm (1.50 in) dia. b: 28.5 mm (1.122 in) dia. c: 130 mm (5.12 in) d: 135 mm (5.31 in) e: 100 mm (3.94 in)
G Checking differential side bearing preload

NT124
G Installing idler gear a: 72 mm (2.83 in) dia. b: 63 mm (2.48 in) dia.
NT115
G Selecting differential side bearing adjusting shim
G Checking differential side bearing preload
NT087
G Removing flex plate bolts on vehicles equipped with QR25DE engines
LCIA0258E

Revision: December 2006

AT-402

2006 Sentra

Commercial Service Tools
Tool name Puller
Puller
Drift
Drift
Drift

PREPARATION
NT077 NT411

[RE4F04B]

Description

ECS00628
A

G Removing idler gear bearing inner race

G Removing and installing band servo piston

snap ring

G Removing reduction gear bearing inner race

a: 60 mm (2.36 in) dia. b: 35 mm (1.38 in) dia.
E

G Installing needle bearing on bearing retain-

a: 36 mm (1.42 in) dia.

NT083

G Removing needle bearing from bearing re-

tainer

a: 33.5 mm (1.319 in) dia.

J
NT083

G Installing differential side bearing outer race

(RH side)

a: 75 mm (2.95 in) dia.

L
NT083
M

Revision: December 2006

AT-403

2006 Sentra

OVERALL SYSTEM
OVERALL SYSTEM A/T Electrical Parts Location

[RE4F04B]
PFP:00000
ECS00629

Revision: December 2006

AT-404

WCIA0131E
2006 Sentra

Circuit Diagram

OVERALL SYSTEM

[RE4F04B]
ECS0062A
A B AT D E F G H I J K L M

Revision: December 2006

AT-405

BCWA0240E
2006 Sentra

Cross-sectional View

OVERALL SYSTEM

[RE4F04B]
ECS0062B

1. Band servo piston 4. Oil pump 7. High clutch 10. Rear planetary gear 13. Low & reverse brake 16. Forward one-way clutch 19. Differential case 22. Side cover

2. Reverse clutch drum 5. Brake band 8. Front planetary gear 11. Forward clutch 14. Output gear 17. Pinion reduction gear 20. Input shaft

3. Converter housing 6. Reverse clutch 9. Low one-way clutch 12. Overrun clutch 15. Idler gear 18. Final gear 21. Torque converter

SAT488K

Revision: December 2006

AT-406

2006 Sentra

Hydraulic Control Circuit

OVERALL SYSTEM

[RE4F04B]
ECS0062C
A B AT D E F G H I J K L M

Revision: December 2006

AT-407

LCIA0040E
2006 Sentra

Shift Mechanism
CONSTRUCTION

OVERALL SYSTEM

[RE4F04B]
ECS0062D

1. Torque converter
4. Brake band
7. Front sun gear
10 Front planetary carrier .
13 Rear internal gear .
16 Forward one-way clutch .
19 Low & reverse brake .
22 Output shaft .

2. Oil pump
5. Reverse clutch
8. Front pinion gear
11 Rear sun gear .
14 Rear planetary carrier .
17 Overrun clutch .
20 Parking pawl .
23 Idle gear .

3. Input shaft
6. High clutch
9. Front internal gear
12 Rear pinion gear .
15 Forward clutch .
18 Low one-way clutch .
21 Parking gear .
24 Output gear .

SAT998I

FUNCTION OF CLUTCH AND BRAKE

Clutch and brake components Reverse clutch 5 High clutch 6 Forward clutch 15
Overrun clutch 17 Brake band 4 Forward one-way clutch 16
Low one-way clutch 18
Low & reverse brake 19

Abbr. R/C H/C F/C
O/C B/B F/O.C
L/O.C
L & R/B

Function To transmit input power to front sun gear 7 . To transmit input power to front planetary carrier 10 . To connect front planetary carrier 10 with forward one-way clutch 16 . To connect front planetary carrier 10 with rear internal gear 13 . To lock front sun gear 7 . When forward clutch 15 is engaged, to stop rear internal gear 13 from rotating in opposite direction against engine revolution. To stop front planetary carrier 10 from rotating in opposite direction against engine revolution. To lock front planetary carrier 10 .

Revision: December 2006

AT-408

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

CLUTCH AND BAND CHART

Reverse High

Shift position clutch clutch

Forward clutch
15

Overrun
clutch 17

Band servo

2nd

3rd

4th

apply release apply

Forward oneway clutch
16

Low oneway clutch 18

Low & reverse brake
19

Lockup

Remarks

A B

PARK
POSITION AT

REVERSE POSITION

NEUTRAL

POSITION

1st 2nd D*4 3rd 4th 1st 2 2nd 3rd

*1 D

*1 A

*1 A *2 C

*3 C

Automatic

shift

*4 O 1 2 3

Automatic shift
123 G

1st 2nd 1 3rd

*2 C

Locks (held

stationary)

in 1st

speed 1 2 3

*1: Operates when overdrive control switch is set in OFF position.

*2: Oil pressure is applied to both 2nd "apply" side and 3rd "release" side of band servo piston. However, brake band does not contract

because oil pressure area on the "release" side is greater than that on the "apply" side.

*3: Oil pressure is applied to 4th "apply" side in condition *2 above, and brake band contracts.

*4: A/T will not shift to 4th when overdrive control switch is set in OFF position.

O: Operates

A: Operates when throttle opening is less than 3/16, activating engine brake.

B: Operates during "progressive" acceleration.

C: Operates but does not affect power transmission.

D: Operates when throttle opening is less than 3/16, but does not affect engine brake.

Revision: December 2006

AT-409

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

POWER TRANSMISSION
P and N Positions
G P position Similar to the N position, the clutches do not operate. The parking pawl engages with the parking gear to mechanically hold the output shaft so that the powertrain is locked.
G N position Power from the input shaft is not transmitted to the output shaft because the clutches do not operate.

SAT991I

Revision: December 2006

AT-410

2006 Sentra

11 Position
G Forward clutch G Forward one-way clutch G Overrun clutch G Low and reverse brake Engine brake

OVERALL SYSTEM

[RE4F04B]
A

J
AAT537A

As overrun clutch engages, rear internal gear is locked by the operation of low and reverse

brake.

This is different from that of D1 and 21 .

Overrun clutch always engages, therefore engine brake can be obtained when decelerating. L

Revision: December 2006

AT-411

2006 Sentra

D1 and 21 Positions

OVERALL SYSTEM

[RE4F04B]

G Forward one-way clutch G Forward clutch G Low one-way clutch
Overrun clutch engagement conditions (Engine brake)

AAT532A
Rear internal gear is locked to rotate counterclockwise because of the functioning of these three clutches.
D1 : Overdrive control switch OFF and throttle opening is less than 3/16 21 : Always engaged At D1 and 21 positions, engine brake is not activated due to free turning of low one-way clutch.

Revision: December 2006

AT-412

2006 Sentra

D2 , 32 , 22 and 12 Positions

OVERALL SYSTEM

[RE4F04B]
A

G Forward clutch G Forward one-way clutch G Brake band
Overrun clutch engagement conditions

J
AAT533A

Rear sun gear drives rear planetary carrier and combined front internal gear. Front internal

gear now rotates around front sun gear accompanying front planetary carrier.

As front planetary carrier transfers the power to rear internal gear through forward clutch and

forward one-way clutch, this rotation of rear internal gear increases the speed of rear plane-

tary carrier compared with that of the 1st speed.
L
D2 : Overdrive control switch OFF and throttle opening is less than 3/16

22 and 12 : Always engaged

Revision: December 2006

AT-413

2006 Sentra

D3 and 33 Positions

OVERALL SYSTEM

[RE4F04B]

G High clutch G Forward clutch G Forward one-way clutch
Overrun clutch engagement conditions

AAT534A
Input power is transmitted to front planetary carrier through high clutch. And front planetary carrier is connected to rear internal gear by operation of forward clutch and forward one-way clutch. This rear internal gear rotation and another input (the rear sun gear) accompany rear planetary carrier to turn at the same speed.
D3 : Overdrive control switch OFF and throttle opening is less than 3/16

Revision: December 2006

AT-414

2006 Sentra

D4 (O/D) Position

OVERALL SYSTEM

[RE4F04B]
A

G High clutch G Brake band G Forward clutch (Does not affect
power transmission)
Engine brake

J
AAT536A

Input power is transmitted to front carrier through high clutch.

This front carrier turns around the sun gear which is fixed by brake band and makes front

internal gear (output) turn faster.

At D4 position, there is no one-way clutch in the power transmission line and engine brake

can be obtained when decelerating.

Revision: December 2006

AT-415

2006 Sentra

R Position

OVERALL SYSTEM

[RE4F04B]

G Reverse clutch G Low and reverse brake
Engine brake

AAT535A
Front planetary carrier is stationary because of the operation of low and reverse brake. Input power is transmitted to front sun gear through reverse clutch, which drives front internal gear in the opposite direction.
As there is no one-way clutch in the power transmission line, engine brake can be obtained when decelerating.

Revision: December 2006

AT-416

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

Control System
OUTLINE

ECS0062E
A

The automatic transaxle senses vehicle operating conditions through various sensors. It always controls the optimum shift position and reduces shifting and lock-up shocks.

SENSORS

TCM

ACTUATORS

Park/neutral position (PNP) switch Throttle position sensor [accelerator pedal position (APP) sensor] Engine speed signal A/T fluid temperature sensor Revolution sensor Vehicle speed sensor Overdrive control switch ASCD control unit Stop lamp switch Turbine revolution sensor

Shift control Line pressure control Lock-up control Overrun clutch control Timing control Fail-safe control Self-diagnosis CONSULT-II communication line control

AT
Shift solenoid valve A Shift solenoid valve B Overrun clutch solenoid valve
Torque converter clutch solenoid D
valve Line pressure solenoid valve O/D OFF indicator lamp
E

CONTROL SYSTEM

WCIA0113E

Revision: December 2006

AT-417

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

TCM FUNCTION The function of the TCM is to: G Receive input signals sent from various switches and sensors. G Determine required line pressure, shifting point, lock-up operation, and engine brake operation. G Send required output signals to the respective solenoids.

INPUT/OUTPUT SIGNAL OF TCM

Sensors and solenoid valves

Function

Park/neutral position (PNP) switch
Throttle position sensor [accelerator pedal position (APP) sensor]
Engine speed signal

Detects select lever position and sends a signal to TCM.
Detects accelerator pedal position and requested throttle opening and sends a signal to TCM.
Receives signal from ECM and controls lock-up control solenoid valve.

A/T fluid temperature sensor Revolution sensor

Detects transmission fluid temperature and sends a signal to TCM. Detects output shaft rpm and sends a signal to TCM.

Input

Vehicle speed sensor Overdrive control switch ASCD control unit

Used as an auxiliary vehicle speed sensor. Sends a signal which is used if revolution sensor (installed on transmission) malfunctions.
Sends a signal to the TCM which prohibits a shift to D4 (overdrive) position.
Sends the cruise signal and D4 (overdrive) cancellation signal from ASCD control unit to TCM.

Stop lamp switch CAN communication

Send the lock-up release signal to the TCM at time of D4 (lock-up).
Control units are connected to two communication lines (CAN H and CAN L) allowing a high rate of information transmission.

Shift solenoid valve A/B

Selects shifting point suited to driving conditions in relation to a signal sent from TCM.

Line pressure solenoid valve

Regulates line pressure suited to driving conditions in relation to a signal sent from TCM.

Output

Torque converter clutch solenoid valve
Overrun clutch solenoid valve
O/D OFF indicator lamp

Regulates lock-up pressure suited to driving conditions in relation to a signal sent from TCM.
Controls an "engine brake" effect suited to driving conditions in relation to a signal sent from TCM.
Shows TCM faults, when A/T control components malfunction.

CAN communication

Control units are connected to two communication lines (CAN H and CAN L) allowing a high rate of information transmission.

CAN Communication
SYSTEM DESCRIPTION

ECS006H8

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only. For details, refer to LAN-17, "CAN Communication Unit" .

Revision: December 2006

AT-418

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

Control Mechanism
LINE PRESSURE CONTROL

ECS0062F
A

TCM has various line pressure control characteristics to meet the driving conditions. An ON-OFF duty signal is sent to the line pressure solenoid valve based on TCM characteristics. Hydraulic pressure on the clutch and brake is electronically controlled through the line pressure solenoid valve B to accommodate engine torque. This results in smooth shift operation.

Normal Control

The line pressure to throttle opening characteristics is set for suitable

clutch operation.

Back-up Control (Engine brake)
If the selector lever is shifted to 2 position while driving in D4 (O/D) or D3 , great driving force is applied to the clutch inside the transmission. Clutch operating pressure (line pressure) must be increased to deal with this driving force.

F
SAT003J
G H

During Shift Change
The line pressure is temporarily reduced corresponding to a change in engine torque when shifting gears (that is, when the shift solenoid valve is switched for clutch operation) to reduce shifting shock.

SAT004J

M
SAT005J
At Low Fluid Temperature G Fluid viscosity and frictional characteristics of the clutch facing change with fluid temperature. Clutch
engaging or band-contacting pressure is compensated for, according to fluid temperature, to stabilize shifting quality.

Revision: December 2006

AT-419

2006 Sentra

OVERALL SYSTEM
G The line pressure is reduced below 60°C (140°F) to prevent shifting shock due to low viscosity of automatic transmission fluid when temperature is low.

[RE4F04B]

SAT006J
G Line pressure is increased to a maximum irrespective of the throttle opening when fluid temperature drops to -10°C (14°F). This pressure rise is adopted to prevent a delay in clutch and brake operation due to extreme drop of fluid viscosity at low temperature.
SAT007J
SHIFT CONTROL The shift is regulated entirely by electronic control to accommodate vehicle speed and varying engine operations. This is accomplished by electrical signals transmitted by the revolution sensor and the ECM (throttle opening). This results in improved acceleration performance and fuel economy. Control of Shift Solenoid Valves A and B The TCM activates shift solenoid valves A and B according to signals from the ECM (throttle opening) and revolution sensor to select the optimum gear position on the basis of the shift schedule memorized in the TCM. The shift solenoid valve performs simple ON-OFF operation. When set to ON, the drain circuit closes and pilot pressure is applied to the shift valve.
SAT008J

Revision: December 2006

AT-420

2006 Sentra

OVERALL SYSTEM

Relation between shift solenoid valves A and B and gear positions

Shift solenoid valve
A B

D1 , 21 , 11 ON (Closed) ON (Closed)

D2 , 22 , 12 OFF (Open) ON (Closed)

Gear position D3
OFF (Open) OFF (Open)

Control of Shift Valves A and B

D4 (O/D) ON (Closed) OFF (Open)

[RE4F04B]

N-P

ON (Closed)

SAT009J

Pilot pressure generated by the operation of shift solenoid valves A and B is applied to the end face of shift

valves A and B.

The drawing above shows the operation of shift valve B. When the shift solenoid valve is ON, pilot pressure

applied to the end face of the shift valve overcomes spring force, moving the valve upward.

LOCK-UP CONTROL

The torque converter clutch piston in the torque converter is locked to eliminate torque converter slip to

increase power transmission efficiency. The solenoid valve is controlled by an ON-OFF duty signal sent from

the TCM. The signal is converted to an oil pressure signal which controls the lock-up piston.

Conditions for Lock-up Operation

When vehicle is driven in 3rd and 4th gear position, vehicle speed and throttle opening are detected. If the detected values fall within the lock-up zone memorized in the TCM, lock-up occurs.

Overdrive control switch

OFF

Selector lever

D position

Gear position

Vehicle speed sensor

More than set value

ECM (throttle opening)

Less than set opening

A/T fluid temperature sensor

More than 40°C (104°F)

Torque Converter Clutch Solenoid Valve Control

The torque converter clutch solenoid valve is controlled by the TCM. The plunger closes the drain circuit during the OFF period, and opens the circuit during the ON period. If the percentage of OFF-time increases in one cycle, the pilot pressure drain time is reduced and pilot pressure remains high.

SAT010J

Revision: December 2006

AT-421

2006 Sentra

OVERALL SYSTEM
The torque converter clutch piston is designed to slip to adjust the ratio of ON-OFF, thereby reducing lock-up shock. OFF-time INCREASING
Amount of drain DECREASING
Pilot pressure HIGH
Lock-up RELEASING
Torque Converter Clutch Control Valve Operation

[RE4F04B]
SAT011J

AAT155A
Lock-up released The OFF-duration of the torque converter clutch solenoid valve is long, and pilot pressure is high. The pilot pressure pushes the end face of the torque converter clutch control valve in combination with spring force to move the valve to the left. As a result, converter pressure is applied to chamber A (torque converter clutch piston release side). Accordingly, the torque converter clutch piston remains unlocked. Lock-up applied When the OFF-duration of the torque converter clutch solenoid valve is short, pilot pressure drains and becomes low. Accordingly, the control valve moves to the right by the pilot pressure of the other circuit and converter pressure. As a result, converter pressure is applied to chamber B, keeping the torque converter clutch piston applied. Also smooth lock-up is provided by transient application and release of the lock-up.
OVERRUN CLUTCH CONTROL (ENGINE BRAKE CONTROL) Forward one-way clutch is used to reduce shifting shocks in downshifting operations. This clutch transmits engine torque to the wheels. However, drive force from the wheels is not transmitted to the engine because the one-way clutch rotates idle. This means the engine brake is not effective. The overrun clutch operates when the engine brake is needed.
Overrun Clutch Operating Conditions

D position 2 position 1 position
Revision: December 2006

Gear position D1 , D2 , D3 gear position
21 , 22 gear position 11 , 12 gear position
AT-422

SAT014J
Throttle opening Less than 3/16 At any position
2006 Sentra

OVERALL SYSTEM
Overrun Clutch Solenoid Valve Control The overrun clutch solenoid valve is operated by an ON-OFF signal transmitted by the TCM to provide overrun clutch control (engine brake control). When this solenoid valve is ON, the pilot pressure drain port closes. When it is OFF, the drain port opens. During the solenoid valve ON pilot pressure is applied to the end face of the overrun clutch control valve.

[RE4F04B]
A B AT

Overrun Clutch Control Valve Operation
When the solenoid valve is ON, pilot pressure is applied to the overrun clutch control valve. This pushes up the overrun clutch control valve. The line pressure is then shut off so that the clutch does not engage. When the solenoid valve is OFF, pilot pressure is not generated. At this point, the overrun clutch control valve moves downward by spring force. As a result, overrun clutch operation pressure is provided by the overrun clutch reducing valve. This causes the overrun clutch to engage. In the 1 position, the overrun clutch control valve remains pushed down so that the overrun clutch is engaged at all times.

D
SAT015J
E F G H

Control Valve
FUNCTION OF CONTROL VALVES

SAT016J

ECS0062G

Valve name

Function

Pressure regulator valve, plug and sleeve Regulates oil discharged from the oil pump to provide optimum line pressure for all driv- M

plug

ing conditions.

Pressure modifier valve and sleeve

Used as a signal supplementary valve to the pressure regulator valve. Regulates pressure-modifier pressure (signal pressure) which controls optimum line pressure for all driving conditions.

Pilot valve

Regulates line pressure to maintain a constant pilot pressure level which controls lock-up mechanism, overrun clutch, shift timing.

Accumulator control valve

Regulates accumulator back-pressure to pressure suited to driving conditions.

Manual valve

Directs line pressure to oil circuits corresponding to select positions. Hydraulic pressure drains when the shift lever is in Neutral.

Shift valve A

Simultaneously switches three oil circuits using output pressure of shift solenoid valve A to meet driving conditions (vehicle speed, throttle opening, etc.). Provides automatic downshifting and up-shifting (1st 2nd 3rd 4th gears/4th 3rd 2nd 1st gears) in combination with shift valve B.

Revision: December 2006

AT-423

2006 Sentra

OVERALL SYSTEM

[RE4F04B]

Valve name

Function

Shift valve B

Simultaneously switches two oil circuits using output pressure of shift solenoid valve B in relation to driving conditions (vehicle speed, throttle opening, etc.). Provides automatic downshifting and up-shifting (1st 2nd 3rd 4th gears/4th 3rd 2nd 1st gears) in combination with shift valve A.

Overrun clutch control valve

Switches hydraulic circuits to prevent engagement of the overrun clutch simultaneously with application of the brake band in D4 . (Interlocking occurs if the overrun clutch engages during D4 .)

"1" reducing valve

Reduces low & reverse brake pressure to dampen engine-brake shock when down-shifting from the 1 position 12 to 11 .

Overrun clutch reducing valve

Reduces oil pressure directed to the overrun clutch and prevents engine-brake shock. In 1 and 2 positions, line pressure acts on the overrun clutch reducing valve to increase the pressure-regulating point, with resultant engine brake capability.

Torque converter relief valve

Prevents an excessive rise in torque converter pressure.

Torque converter clutch control valve, plug Activates or inactivates the lock-up function.

and sleeve

Also provides smooth lock-up through transient application and release of the lock-up

system.

1-2 accumulator valve and piston

Dampens the shock encountered when 2nd gear band servo contracts, and provides smooth shifting.

3-2 timing valve

Switches the pace that oil pressure is released depending on vehicle speed; maximizes the high clutch release timing, and allows for soft down shifting.

Shuttle valve

Determines if the overrun clutch solenoid valve should control the 3-2 timing valve or the overrun clutch control valve and switches between the two.

Cooler check valve

At low speeds and with a small load when little heat is generated, saves the volume of cooler flow, and stores the oil pressure for lock up.

Revision: December 2006

AT-424

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION Introduction

PFP:00000
A
ECS0062H

The A/T system has two self-diagnostic systems. The first is the emission-related on board diagnostic system (OBD-II) performed by the TCM (transmission B control module) in combination with the ECM. The malfunction is indicated by the MIL (malfunction indicator lamp) and is stored as a DTC in the ECM memory but not the TCM memory. The second is the TCM original self-diagnosis indicated by the O/D OFF indicator lamp. The malfunction is stored in the TCM memory. The detected items are overlapped with OBD-II self-diagnostic items. For details, AT refer to AT-425, "OBD-II Function for A/T System" .

OBD-II Function for A/T System

ECS0062I

The ECM provides emission-related on board diagnostic (OBD-II) functions for the A/T system. One function

is to receive a signal from the TCM used with OBD-related parts of the A/T system. The signal is sent to the

ECM when a malfunction occurs in the corresponding OBD-related part. The other function is to indicate a E diagnostic result by means of the MIL (malfunction indicator lamp) on the instrument panel. Sensors, switches

and solenoid valves are used as sensing elements.

The MIL automatically illuminates in One or Two Trip Detection Logic when a malfunction is sensed in relation

to A/T system parts.

One or Two Trip Detection Logic of OBD-II

ECS0062J

ONE TRIP DETECTION LOGIC
G If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored in

the ECM memory as a DTC. The TCM is not provided with such a memory function.

TWO TRIP DETECTION LOGIC

When a malfunction is sensed during the first test drive, it is stored in the ECM memory as a 1st trip DTC

(diagnostic trouble code) or 1st trip freeze frame data. At this point, the MIL will not illuminate. -- First Trip

If the same malfunction as that experienced during the first test drive is sensed during the second test drive, I the MIL will illuminate. -- Second Trip

A/T-related parts for which the MIL illuminates during the first or second test drive are listed below.

Items

MIL

One trip detection

Two trip detection

Shift solenoid valve A -- DTC: P0750 Shift solenoid valve B -- DTC: P0755

Throttle position sensor [accelerator pedal position (APP) sensor] -- DTC: P1705

Except above

The "trip" in the "One or Two Trip Detection Logic" means a driving mode in which self-diagnosis is performed during vehicle operation.

OBD-II Diagnostic Trouble Code (DTC)
HOW TO READ DTC AND 1ST TRIP DTC

M
ECS0062K

DTC and 1st trip DTC can be read by the following methods.

( With CONSULT-II or GST) CONSULT-II or GST (Generic Scan Tool) Examples: P0705, P0710, P0720, P0725, etc. These DTCs are prescribed by SAE J2012. (CONSULT-II also displays the malfunctioning component or system.)
G 1st trip DTC No. is the same as DTC No.
G Output of the diagnostic trouble code indicates that the indicated circuit has a malfunction. However, in case of the Mode II and GST they do not indicate whether the malfunction is still occurring or occurred in the past and returned to normal. CONSULT-II can identify them as shown below. Therefore, using CONSULT-II (if available) is recommended.

Revision: December 2006

AT-425

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
A sample of CONSULT-II display for DTC and 1st trip DTC is shown in the following page. DTC or 1st trip DTC of a malfunction is displayed in "SELF DIAGNOSIS" mode for "ENGINE" with CONSULTII. Time data indicates how many times the vehicle was driven after the last detection of a DTC.

[RE4F04B]

If the DTC is being detected currently, the time data will be "0".

BCIA0030E

If a 1st trip DTC is stored in the ECM, the time data will be "1t".

SAT015K

SAT016K

Freeze Frame Data and 1st Trip Freeze Frame Data
The ECM has a memory function, which stores the driving condition such as fuel system status, calculated load value, engine coolant temperature, short term fuel trim, long term fuel trim, engine speed and vehicle speed at the moment the ECM detects a malfunction. Data which are stored in the ECM memory, along with the 1st trip DTC, are called 1st trip freeze frame data, and the data, stored together with the DTC data, are called freeze frame data and displayed on CONSULT-II or GST. The 1st trip freeze frame data can only be displayed on the CONSULT-II screen, not on the GST. For detail, refer to EC-646, "FREEZE FRAME DATA AND 1ST TRIP FREEZE FRAME DATA" . Only one set of freeze frame data (either 1st trip freeze frame data of freeze frame data) can be stored in the ECM. 1st trip freeze frame data is stored in the ECM memory along with the 1st trip DTC. There is no priority for 1st trip freeze frame data and it is updated each time a different 1st trip DTC is detected. However, once freeze frame data (2nd trip detection/MIL on) is stored in the ECM memory, 1st trip freeze frame data is no longer stored. Remember, only one set of freeze frame data can be stored in the ECM. The ECM has the following priorities to update the data.

Priority

Items

Freeze frame data

Misfire -- DTC: P0300 - P0304

Fuel Injection System Function -- DTC: P0171, P0172, P0174, P0175

Except the above items (Includes A/T related items)

1st trip freeze frame data

Both 1st trip freeze frame data and freeze frame data (along with the DTCs) are cleared when the ECM memory is erased.

Revision: December 2006

AT-426

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

HOW TO ERASE DTC The diagnostic trouble code can be erased by CONSULT-II, GST or ECM DIAGNOSTIC TEST MODE as A described in the following.

G If the battery terminal is disconnected, the diagnostic trouble code will be lost within 24 hours. G When you erase the DTC, using CONSULT-II or GST is easier and quicker than switching the mode B
selector on the ECM.

The following emission-related diagnostic information is cleared from the ECM memory when erasing DTC related to OBD-II. For details, refer to EC-643, "EMISSION-RELATED DIAGNOSTIC INFORMATION ITEMS" AT
.

G Diagnostic trouble codes (DTC)

G 1st trip diagnostic trouble codes (1st trip DTC)

G Freeze frame data

G 1st trip freeze frame data

G System readiness test (SRT) codes

G Test values

HOW TO ERASE DTC (WITH CONSULT-II)

G If a DTC is displayed for both ECM and TCM, it needs to be erased for both ECM and TCM.

1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10

seconds and then turn it ON (engine stopped) again.

2. Turn CONSULT-II "ON" and touch "A/T".

3. Touch "SELF-DIAG RESULTS".

4. Touch "ERASE". (The DTC in the TCM will be erased.) Then touch "BACK" twice.

5. Touch "ENGINE".

6. Touch "SELF DIAGNOSIS".

Revision: December 2006

AT-427

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
7. Touch "ERASE". (The DTC in the ECM will be erased.)

[RE4F04B]

SCIA5586E
HOW TO ERASE DTC (WITH GST)
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Perform TCM self-diagnostic procedure. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" . (The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.)
3. Select Mode 4 with Generic Scan Tool (GST). For details, refer to EC-653, "How to Erase DTC" .
HOW TO ERASE DTC (NO TOOLS)
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Perform TCM self-diagnostic procedure. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" . (The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.)
3. Perform OBD-II self-diagnostic procedure. Refer to AT-438, "OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" . (The engine warm-up step can be skipped when performing the diagnosis only to erase the DTC.)

Revision: December 2006

AT-428

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

Malfunction Indicator Lamp (MIL)
1. The malfunction indicator lamp will light up when the ignition switch is turned ON without the engine running. This is for checking the lamp.
G If the malfunction indicator lamp does not light up, refer to DI27, "WARNING LAMPS" . (Or see AT-429, "Malfunction Indicator Lamp (MIL)" .)
2. When the engine is started, the malfunction indicator lamp should go off. If the lamp remains on, the on board diagnostic system has detected an emission-related (OBD-II) malfunction. For details, refer to AT-425, "ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION" .

ECS0062L
A
B
AT
D
SAT964I

CONSULT-II

ECS0062M

After performing AT-430, "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II)" , place check marks for results on the AT-443, "DIAGNOSTIC WORKSHEET" . Reference pages are provided following the items.

NOTICE:

1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-

noid).

Check for time difference between actual shift timing and the CONSULT-II display. If the difference is G noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical

parts using applicable diagnostic procedures.

2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Manual may differ slightly. This occurs because of the following reasons:

Actual shift schedule has more or less tolerance or allowance,

Shift schedule indicated in Service Manual refers to the point where shifts start, and

Gear position displayed on CONSULT-II indicates the point where shifts are completed.

3. Shift solenoid valve "A" or "B" is displayed on CONSULT-II at the start of shifting. Gear position is dis-

played upon completion of shifting (which is computed by TCM).

4. Additional CONSULT-II information can be found in the Operation Manual supplied with the CONSULT-II

unit.

FUNCTION

Diagnostic test mode

Function

Reference page

Work support

This mode enables a technician to adjust some devices faster and more accurately by following the indications on CONSULT-II.

Self-diagnostic results

Self-diagnostic results can be read and erased quickly.

AT-430

Data monitor
CAN diagnostic support monitor

Input/Output data in the ECM can be read.
The results of transmit/receive diagnosis of CAN communication can be read.

AT-432

Function test

Performed by CONSULT-II instead of a technician to determine whether each system is "OK" or "NG".

DTC work support

Select the operating condition to confirm Diagnostic Trouble Codes.

AT-434

TCM part number

TCM part number can be read.

Revision: December 2006

AT-429

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II) 1. Turn on CONSULT-II and touch "ENGINE" for OBD-II detected
items or touch "A/T" for TCM self-diagnosis. If A/T is not displayed, check TCM power supply and ground circuit. Refer to AT-483, "TROUBLE DIAGNOSIS FOR POWER SUPPLY" . If result is NG, refer to PG-3, "POWER SUPPLY ROUTING" .

[RE4F04B]

2. Touch "SELF DIAGNOSIS". Display shows malfunction experienced since the last erasing operation. CONSULT-II performs "Real Time Diagnosis". Also, any malfunction detected while in this mode will be displayed at real time.

BCIA0030E

SELF-DIAGNOSTIC RESULT TEST MODE

Detected items (Screen terms for CONSULT-II, "SELF DIAGNOSIS" test mode)

Malfunction is detected when...

"A/T"

"ENGINE"

Park/neutral position (PNP) switch circuit

PNP SW/CIRC

Revolution sensor

VHCL SPEED SEN·A/T

VEH SPD SEN/ CIR AT

Vehicle speed sensor (Meter)

VHCL SPEED SEN·MTR

A/T 1st gear function

A/T 1ST GR FNCTN

A/T 2nd gear function

A/T 2ND GR FNCTN

A/T 3rd gear function

A/T 3RD GR FNCTN

A/T 4th gear function

A/T 4TH GR FNCTN

A/T TCC S/V function (lock-up)

A/T TCC S/V FNCTN

G TCM does not receive the correct voltage signal (based on the gear position) from the switch.
G TCM does not receive the proper voltage signal from the sensor.
G TCM does not receive the proper voltage signal from the sensor.
G A/T cannot be shifted to the 1st gear position even if electrical circuit is good.
G A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.
G A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.
G A/T cannot be shifted to the 4th gear position even if electrical circuit is good.
G A/T cannot perform lock-up even if electrical circuit is good.

TCM self-diagnosis Available by O/D OFF indicator lamp or "A/T"
on CONSULT-II -- X
X
--
--
--
--
--

SAT987J
OBD-II (DTC) Available by malfunction indicator lamp*2, "ENGINE" on CON-
SULT-II or GST P0705
P0720
--
P0731*1
P0732*1
P0733*1
P0734*1
P0744*1

Revision: December 2006

AT-430

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

Detected items (Screen terms for CONSULT-II, "SELF DIAGNOSIS" test mode)

"A/T"

"ENGINE"

TCM self-diagnosis

OBD-II (DTC)

Malfunction is detected when...

Available by O/D OFF indicator lamp or "A/T"
on CONSULT-II

Available by malfunction indicator lamp*2, "ENGINE" on CON-
SULT-II or GST

Shift solenoid valve A

G TCM detects an improper voltage

drop when it tries to operate the

SHIFT SOLENOID/V A SFT SOL A/CIRC solenoid valve.

Shift solenoid valve B

G TCM detects an improper voltage

drop when it tries to operate the

SHIFT SOLENOID/V B SFT SOL B/CIRC solenoid valve.

Overrun clutch solenoid valve

G TCM detects an improper voltage

OVERRUN CLUTCH S/ O/R CLUCH SOL/ drop when it tries to operate the

CIRC

solenoid valve.

T/C clutch solenoid valve

G TCM detects an improper voltage

T/C CLUTCH SOL/V

TCC SOLENOID/ CIRC

drop when it tries to operate the solenoid valve.

Line pressure solenoid valve

G TCM detects an improper voltage

LINE PRESSURE S/V

L/PRESS SOL/ CIRC

drop when it tries to operate the solenoid valve.

Throttle position sensor [accelerator pedal

position (APP) sensor] signal

G TCM receives an excessively low or high voltage from this sensor.

THROTTLE POSI SEN TP/SEN/CIRC A/T

P0750
AT
P0755
D
P1760
E
P0740
F
P0745
G
P1705
H

Engine speed signal ENGINE SPEED SIG

G TCM does not receive the proper voltage signal from the ECM.

A/T fluid temperature sensor

BATT/FLUID TEMP

G TCM receives an excessively low

ATF TEMP SEN/

or high voltage from the sensor.

SEN

CIRC

Engine control A/T COMM LINE

G The ECM-A/T communication line

is open or shorted.

P0725
I
P0710
J
U1000

Turbine revolution sensor TURBINE REV

G TCM does not receive the proper voltage signal from the sensor.

P0710

TCM (RAM)
CONTROL UNIT (RAM)

G TCM memory (RAM) is malfunc-

tioning

TCM (ROM)
CONTROL UNIT (ROM)

G TCM memory (ROM) is malfunc-

tioning

TCM (EEP ROM)

CONT UNIT(EEP ROM)

G TCM memory (EEP ROM) is mal-

functioning.

Initial start

G This is not a malfunction message

INITIAL START

(Whenever shutting off a power

supply to the TCM, this message

appears on the screen.)

No failure

(NO SELF DIAGNOSTIC FAILURE INDICATED FURTHER TESTING MAY BE

G No failure has been detected.

REQUIRED**)

X: Applicable -: Not applicable

*1: These malfunctions cannot be displayed by MIL
Revision: December 2006

if another malfunction is assigned to MIL.
AT-431

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

*2: Refer to EC-655, "Malfunction Indicator Lamp (MIL)" .

DATA MONITOR MODE (A/T)

Item

Display

Monitor item

TCM Input signals

Main signals

Description

Remarks

Vehicle speed sensor 1

VHCL/S SE·A/T

(A/T) (Revolution sensor)

[km/h] or [mph]

G Vehicle speed computed When racing engine in N or

from signal of revolution P with vehicle stationary,

sensor is displayed.

CONSULT-II data may not

indicate 0 km/h (0 mph).

Vehicle speed sensor 2

VHCL/S

(Meter)

SE·MTR

[km/h] or [mph]

Throttle position sensor

THRTL POS

[accelerator pedal position SEN [V]

(APP) sensor]

G Vehicle speed computed Vehicle speed display may

from signal of vehicle

not be accurate under

speed sensor is displayed.

approx. 10 km/h (6 mph). It may not indicate 0 km/h (0

mph) when vehicle is sta-

tionary.

G Throttle position sensor

signal voltage is dis-

played.

A/T fluid temperature sen- FLUID TEMP SE

sor

[V]

G A/T fluid temperature sensor signal voltage is

displayed.

G Signal voltage lowers as fluid temperature rises.

Battery voltage

BATTERY VOLT [V]

G Source voltage of TCM is displayed.

Engine speed

ENGINE SPEED [rpm]
X

G Engine speed, computed Engine speed display may

from engine speed signal, not be accurate under

is displayed.

approx. 800 rpm. It may not

indicate 0 rpm even when

engine is not running.

Turbine revolution sensor TURBINE REV X

G Checks changing speed

then performs oil pressure control and torque

down control.

Overdrive control switch

OVERDRIVE

G ON/OFF state computed

from signal of overdrive

[ON/OFF]

control SW is displayed.

PN position (PNP) switch PN POSI SW

[ON/OFF]

R position switch

R POSITION SW

[ON/OFF]

G ON/OFF state computed

from signal of PN position

SW is displayed.

G ON/OFF state computed

from signal of R position

SW is displayed.

D position switch 2 position switch

D POSITION SW

[ON/OFF]

2 POSITION SW

[ON/OFF]

G ON/OFF state computed

from signal of D position

SW is displayed.

G ON/OFF status, com-

puted from signal of 2

position SW, is displayed.

1 position switch

1 POSITION SW

[ON/OFF]

G ON/OFF status, com-

puted from signal of 1

position SW, is displayed.

ASCD cruise signal

ASCD·CRUISE [ON/OFF]
X

G Status of ASCD cruise

G This is displayed even

signal is displayed.

when no ASCD is

ON ... Cruising state

mounted.

OFF ... Normal running

state

Revision: December 2006

AT-432

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

Item ASCD OD cut signal

Display
ASCD·OD CUT [ON/OFF]

Kickdown switch Gear position

KICKDOWN SW [ON/OFF]
GEAR

Selector lever position

SLCT LVR POSI

Vehicle speed
Throttle position sensor [accelerator pedal position (APP) sensor]

VEHICLE SPEED [km/h] or [mph]
THROTTLE POSI [/8]

Stop lamp switch

BRAKE SW [ON/OFF]

Line pressure duty

LINE PRES DTY [%]

Torque converter clutch solenoid valve duty

TCC S/V DUTY [%]

Shift solenoid valve A

SHIFT S/V A [ON/OFF]

Shift solenoid valve B

SHIFT S/V B [ON/OFF]

Overrun clutch solenoid valve

OVERRUN/C S/ V [ON/OFF]

Self-diagnosis display lamp SELF-D DP LMP (O/D OFF indicator lamp) [ON/OFF]
X: Applicable --: Not applicable

Monitor item

TCM Input signals

Main signals

Description

A
Remarks

G Status of ASCD OD

G This is displayed even

release signal is dis-

when no ASCD is

played.

mounted.

ON ... OD released OFF ... OD not released

G ON/OFF status, com-

G This is displayed even

puted from signal of kick- when no kickdown switch

down SW, is displayed.

is equipped.

G Gear position data used

for computation by TCM,

is displayed.

G Selector lever position

G A specific value used for

data, used for computa-

control is displayed if fail-

tion by TCM, is displayed.

safe is activated due to error.

G Vehicle speed data, used

for computation by TCM,

is displayed.

G Throttle position data,

G A specific value used for

used for computation by

control is displayed if fail-

TCM, is displayed.

safe is activated due to

error.

G ON/OFF status is dis-

played.

ON ... Brake pedal is

depressed.

OFF ... Brake pedal is

released.

G Control value of line pres-

sure solenoid valve, com-

puted by TCM from each input signal, is displayed.

G Control value of torque

converter clutch solenoid

valve, computed by TCM

from each input signal, is

displayed.

G Control value of shift sole- Control value of solenoid is M

noid valve A, computed displayed even if solenoid

by TCM from each input circuit is disconnected.

signal, is displayed.

The OFF signal is displayed

G Control value of shift sole- if solenoid circuit is shorted.

noid valve B, computed

by TCM from each input

signal, is displayed.

G Control value of overrun clutch solenoid valve computed by TCM from each input signal is displayed.

G Control status of O/D OFF indicator lamp is displayed.

Revision: December 2006

AT-433

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

DTC WORK SUPPORT MODE WITH CONSULT-II CONSULT-II Setting Procedure

CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication.
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.

LAT136
3. Turn ignition switch ON. 4. Touch "START (NISSAN BASED VHCL)".

5. Touch "A/T". If "A/T" is not indicated, go to GI-38, "CONSULT-II Data Link Connector (DLC) Circuit" .
6. Touch "DTC WORK SUPPORT".

BCIA0029E BCIA0030E

Revision: December 2006

AT-434

BCIA0031E
2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
7. Touch select item menu (1ST, 2ND, etc.).

[RE4F04B]
A

8. Touch "START".

AT
SAT018K
D
E

9. Perform driving test according to "DTC CONFIRMATION PROCEDURE" in "TROUBLE DIAGNOSIS FOR DTC".

G
SAT589J
H
I

G When testing conditions are satisfied, CONSULT-II screen changes from "OUT OF CONDITION" to "TESTING".

K
SAT019K
L
M

SAT591J

Revision: December 2006

AT-435

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
10. Stop vehicle. If "NG" appears on the screen, malfunction may exist. Go to "DIAGNOSTIC PROCEDURE".

[RE4F04B]

SAT592J

11. Perform test drive to check gear shift feeling in accordance with instructions displayed.
12. Touch "YES" or "NO".

SAT593J SAT594J SAT595J

Revision: December 2006

AT-436

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
13. CONSULT-II procedure ended.

[RE4F04B]
A

AT
SAT596J
D

SAT593J

If "NG" appears on the screen, a malfunction may exist. Go to "DIAGNOSTIC PROCEDURE".

DTC WORK SUPPORT MODE

DTC work support item

Description

Check item

Following items for "A/T 1st gear function (P0731)" can be con-

G Shift solenoid valve A

firmed.

G Shift solenoid valve B

1ST GR FNCTN P0731

G Self-diagnosis status (whether the diagnosis is being conducted

or not)

G Each clutch

G Self-diagnosis result (OK or NG)

G Hydraulic control circuit

2ND GR FNCTN P0732 3RD GR FNCTN P0733 4TH GR FNCTN P0734 TCC S/V FNCTN P0744

Following items for "A/T 2nd gear function (P0732)" can be con-

firmed.

G Shift solenoid valve B

G Self-diagnosis status (whether the diagnosis is being conducted G Each clutch

or not)

G Hydraulic control circuit

G Self-diagnosis result (OK or NG)

Following items for "A/T 3rd gear function (P0733)" can be confirmed.

G Shift solenoid valve A

G Self-diagnosis status (whether the diagnosis is being conducted G Each clutch

or not)

G Hydraulic control circuit

G Self-diagnosis result (OK or NG)

Following items for "A/T 4th gear function (P0734)" can be confirmed.
G Self-diagnosis status (whether the diagnosis is being conducted or not)
G Self-diagnosis result (OK or NG)

G Shift solenoid valve A G Shift solenoid valve B G Line pressure solenoid valve G Each clutch G Hydraulic control circuit

Following items for "A/T TCC S/V function (lock-up) (P0744)" can be confirmed.
G Self-diagnosis status (whether the diagnosis is being conducted or not)
G Self-diagnosis result (OK or NG)

G Torque converter clutch solenoid valve
G Each clutch G Hydraulic control circuit

Diagnostic Procedure Without CONSULT-II
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)

ECS0062N

Refer to EC-717, "Generic Scan Tool (GST) Function" .

Revision: December 2006

AT-437

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS) Refer to EC-655, "Malfunction Indicator Lamp (MIL)" .
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
1. CHECK O/D OFF INDICATOR LAMP
1. Move selector lever to P position. Start engine and warm it up to normal engine operating temperature.
2. Turn ignition switch to OFF position. 3. Wait 5 seconds. 4. Turn ignition switch to ON position.
(Do not start engine.)

[RE4F04B]

SAT967I
5. Does O/D OFF indicator lamp come on for about 2 seconds?

WCIA0129E
Yes or No Yes >> GO TO 2. No >> Stop procedure. Perform AT-596, "1. O/D OFF Indicator Lamp Does Not Come On" before proceeding.

Revision: December 2006

AT-438

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

[RE4F04B]

2. JUDGEMENT PROCEDURE STEP 1 A

1. Turn ignition switch to OFF position.

2. Turn ignition switch to ACC position.

3. Move selector lever from P to D position.

4. Turn ignition switch to ON position.

(Do not start engine.) 5. Depress and hold overdrive control switch in OFF position (the O/D OFF indicator lamp will be ON) until AT

directed to release the switch. (If O/D OFF indicator lamp does not come on, refer to "Steps 3 and 4" in AT-

596, "1. O/D OFF Indicator Lamp Does Not Come On" ).

6. Turn ignition switch to OFF position.

7. Turn ignition switch to ON position (Do not start engine.)

8. Release the overdrive control switch (the O/D OFF indicator

lamp will be OFF).

9. Wait 2 seconds.

10. Move selector lever to 2 position.
11. Depress and release overdrive control switch in ON position until next step is completed (the O/D OFF indicator lamp will be ON).

F G
SAT968I

12. Depress and hold the overdrive control switch (the O/D OFF

indicator lamp will be OFF) until directed to release the switch.

>> GO TO 3. I

3. JUDGEMENT PROCEDURE STEP 2

SAT969I
K

1. Move selector lever to 1 position.

2. Release the overdrive control switch.

3. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be ON).

4. Depress and release the overdrive control switch (the O/D OFF indicator lamp will be OFF).

5. Depress and hold the overdrive control switch (the O/D OFF indicator lamp will be ON) until directed to release the switch.

6. Depress accelerator pedal fully and release it.

7. Release the overdrive control switch (the O/D OFF indicator lamp will begin to flash ON and OFF).

>> GO TO 4.

Revision: December 2006

AT-439

SAT970I
2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
4. CHECK SELF-DIAGNOSTIC CODE
Check O/D OFF indicator lamp. Refer to AT-440, "JUDGEMENT OF SELF-DIAGNOSIS CODE" .

[RE4F04B]

>> DIAGNOSIS END

JUDGEMENT OF SELF-DIAGNOSIS CODE

O/D OFF indicator lamp:

All judgement flickers are the same.

1st judgement flicker is longer than others.

WCIA0129E

WCIA0114E
All circuits that can be confirmed by self-diagnosis are OK.
2nd judgement flicker is longer than others.

WCIA0115E
ÞRevolution sensor circuit is short-circuited or disconnected. Go to AT-498, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" .
3rd judgement flicker is longer than others.

WCIA0116E
ÞVehicle speed sensor circuit is short-circuited or disconnected. Go to AT-575, "DTC VEHICLE SPEED SENSOR MTR" .
4th judgement flicker is longer than others.

WCIA0117E
Throttle position sensor [accelerator pedal position (APP) sensor]
Þcircuit is short-circuited or disconnected. Go to AT-558, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .
5th judgement flicker is longer than others.

WCIA0118E
ÞShift solenoid valve A circuit is short-circuited or disconnected. Go to AT-548, "DTC P0750 SHIFT SOLENOID VALVE A" .

WCIA0119E
ÞShift solenoid valve B circuit is short-circuited or disconnected. Go to AT-553, "DTC P0755 SHIFT SOLENOID VALVE B" .

Revision: December 2006

AT-440

2006 Sentra

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION

6th judgement flicker is longer than others.

O/D OFF indicator lamp: 7th judgement flicker is longer than others.

[RE4F04B]
A

WCIA0120E

WCIA0121E

Overrun clutch solenoid valve circuit is short-circuited or discon- Torque converter clutch solenoid valve circuit is short-circuited or

Þ Þ nected.

disconnected.

Go to AT-563, "DTC P1760 OVERRUN CLUTCH SOLENOID Go to AT-529, "DTC P0740 TORQUE CONVERTER CLUTCH

VALVE" .

SOLENOID VALVE" .

8th judgement flicker is longer than others.

9th judgement flicker is longer than others.

WCIA0122E

WCIA0123E

A/T fluid temperature sensor is disconnected or TCM power

Engine speed signal circuit is short-circuited or disconnected.

Þ source circuit is damaged.

Go to AT-503, "DTC P0725 ENGINE SPEED SIGNAL" .

Þ Go to AT-492, "DTC P0710 A/T FLUID TEMPERATURE SEN-

SOR CIRCUIT" .

10th judgement flicker is longer than others.

11th judgement flicker is longer than others.

WCIA0124E

SAT599J

Line pressure solenoid valve circuit is short-circuited or discon-
Þnected. Go to AT-542, "DTC P0745 LINE PRESSURE SOLENOID

ÞThe ECM-A/T communication line is open or shorted. Go to AT-585, "DTC U1000 CAN COMMUNICATION LINE" .

VALVE" .

Lamp comes on.

Flickers as shown below.

WCIA0126E
Park/neutral position (PNP) switch, overdrive control switch or throttle position switch circuit is disconnected or TCM is dam-
Þaged. Go to AT-626, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks}" .

WCIA0127E
Battery power is low. Battery has been disconnected for a long time. Battery is connected conversely. (When reconnecting TCM connectors. -- This is not a problem.)

t1 = 2.5 seconds t2 = 2.0 seconds t3 = 1.0 second t4 = 1.0 second

Revision: December 2006

AT-441

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION
TROUBLE DIAGNOSIS - INTRODUCTION
Introduction
The TCM receives a signal from the vehicle speed sensor, ECM (throttle opening) or park/neutral position (PNP) switch and provides shift control or lock-up control via A/T solenoid valves. The TCM also communicates with the ECM by means of a signal sent from sensing elements used with the OBD-related parts of the A/T system for malfunction-diagnostic purposes. The TCM is capable of diagnosing malfunctioning parts while the ECM can store malfunctions in its memory. Input and output signals must always be correct and stable in the operation of the A/T system. The A/T system must be in good operating condition and be free of valve seizure, solenoid valve malfunction, etc.
It is much more difficult to diagnose a problem that occurs intermittently rather than continuously. Most intermittent problems are caused by poor electric connections or improper wiring. In this case, careful checking of suspected circuits may help prevent the replacement of good parts. A visual check only, may not find the cause of the problems. A road test with CONSULT-II (or GST) or a circuit tester connected should be performed. Follow the "Work Flow". Refer to AT-446, "Work Flow" .
Before undertaking actual checks, take a few minutes to talk with a customer who approaches with a driveability complaint. The customer can supply good information about such problems, especially intermittent ones. Find out what symptoms are present and under what conditions they occur. A "DIAGNOSTIC WORKSHEET" like the example referenced at AT-443 should be used. Start your diagnosis by looking for "conventional" problems first. This will help troubleshoot driveability problems on an electronically controlled engine vehicle. Also check related Service bulletins for information.

[RE4F04B]
PFP:00000
ECS0062O
SAT631IA
SAT632I
SEF234G

Revision: December 2006

AT-442

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION

DIAGNOSTIC WORKSHEET
Information from Customer
KEY POINTS WHAT ........ Vehicle & A/T model WHEN ........ Date, Frequencies WHERE ..... Road conditions HOW .......... Operating conditions, Symptoms

Customer name MR/MS

Model & Year

VIN

Trans. model

Engine

Mileage

Incident Date

Manuf. Date

In Service Date

Frequency

Continuous Intermittent ( times a day)

Symptoms

Vehicle does not move. ( Any position Particular position)

No up-shift ( 1st 2nd 2nd 3rd 3rd O/D)

No down-shift ( O/D 3rd 3rd 2nd 2nd 1st)

Lockup malfunction

Shift point too high or too low.

Shift shock or slip ( N D Lockup Any drive position)

Noise or vibration

No kickdown

No pattern select

Others

(

)

O/D OFF indicator lamp

Blinks for about 8 seconds.

Continuously lit

Not lit

Malfunction indicator lamp (MIL) Continuously lit

Not lit

[RE4F04B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-443

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION

[RE4F04B]

Diagnostic Worksheet

1. Read the Fail-safe and listen to customer complaints.

AT-398

2. CHECK A/T FLUID

AT-448

Leakage (Follow specified procedure) Fluid condition Fluid level

3. Perform STALL TEST and PRESSURE TEST. Stall test -- Mark possible damaged components/others.

AT-448, AT452

Torque converter one-way clutch Reverse clutch Forward clutch Overrun clutch Forward one-way clutch

Low & reverse brake Low one-way clutch Engine Line pressure is low Clutches and brakes except high clutch and brake band are OK

Pressure test -- Suspected parts:

4. Perform all ROAD TEST and mark required procedures.

AT-453

4- Check before engine is started. 1. SELF-DIAGNOSTIC PROCEDURE - Mark detected items.

AT-455

Park/neutral position (PNP) switch, AT-486 . A/T fluid temperature sensor, AT-568 . Vehicle speed sensor·A/T (Revolution sensor), AT-498 . Engine speed signal, AT-503 . Turbine revolution sensor, AT-580 . Torque converter clutch solenoid valve, AT-529 . Line pressure solenoid valve, AT-542 . Shift solenoid valve A, AT-548 . Shift solenoid valve B, AT-553 . Throttle position sensor [accelerator pedal position (APP) sensor, AT-558 . Overrun clutch solenoid valve, AT-563 . Park/neutral position (PNP), overdrive control and throttle position sensor [accelerator pedal position (APP) sensor] circuit checks, AT-626 . A/T fluid temperature sensor and TCM power source, AT-483 . Vehicle speed sensor·MTR, AT-575 . A/T communication line, AT-585 . Control unit (RAM), Control unit (ROM), AT-588 . Control unit (EEP ROM), AT-590 . Battery Others

Revision: December 2006

AT-444

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION

[RE4F04B]

4- Check at idle 2. 1. O/D OFF Indicator Lamp Does Not Come On, AT-596 .
2. Engine Cannot Be Started In P and N Position, AT-597 . 3. In P Position, Vehicle Moves Forward or Backward When Pushed, AT-599 . 4. In N Position, Vehicle Moves, AT-599 . 5. Large Shock. N R Position, AT-601 . 6. Vehicle Does Not Creep Backward In R Position, AT-603 . 7. Vehicle Does Not Creep Forward In D, 2 or 1 Position, AT-606 .
4- Cruise test 3. Part-1

AT-455
A

AT-458

AT-461

8. Vehicle Cannot Be Started From D1 , AT-608 . 9. A/T Does Not Shift: D1 D2 or Does Not Kickdown: D4 D2 , AT-611 . 10. A/T Does Not Shift: D2 D3 , AT-613 . 11. A/T Does Not Shift: D3 D4 , AT-616 . 12. A/T Does Not Perform Lock-up, AT-618 . 13. A/T Does Not Hold Lock-up Condition, AT-619 . 14. Lock-up Is Not Released, AT-620 . 15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 ), AT-621 .
Part-2

AT-464

16. Vehicle Does Not Start From D1 , AT-623 .

9. A/T Does Not Shift: D1 D2 or Does Not Kickdown: D4 D2 , AT-611 .

10. A/T Does Not Shift: D2 D3 , AT-613 .

11. A/T Does Not Shift: D3 D4 , AT-616 .

Part-3 4.
17. A/T Does Not Shift: D4 D3 When Overdrive Control Switch ON OFF, AT-624 .

AT-466
H

15. Engine Speed Does Not Return To Idle (Engine Brake In D3 ), AT-621 . 18. A/T Does Not Shift: D3 22 , When Selector Lever D 2 Position, AT-624 .

15. Engine Speed Does Not Return To Idle (Engine Brake In 22 ), AT-621 .

19. A/T Does Not Shift: 22 11 , When Selector Lever 2 1 Position, AT-625 .

20. Vehicle Does Not Decelerate By Engine Brake, AT-626 .

SELF-DIAGNOSTIC PROCEDURE -- Mark detected items.

Park/neutral position (PNP) switch, AT-486 .

A/T fluid temperature sensor, AT-492 .

Vehicle speed sensor·A/T (Revolution sensor), AT-498 .

Engine speed signal, AT-503 . Turbine revolution sensor, AT-580 .

Torque converter clutch solenoid valve, AT-529 .

Line pressure solenoid valve, AT-542 .

Shift solenoid valve A, AT-548 .

Shift solenoid valve B, AT-553 .

Throttle position sensor [accelerator pedal position (APP) sensor], AT-558 .

Overrun clutch solenoid valve, AT-563 .

Park/neutral position (PNP), overdrive control and throttle position sensor [accelerator pedal posi-

tion (APP) sensor] circuit checks, AT-626 .

A/T fluid temperature sensor and TCM power source, AT-483 .

Vehicle speed sensor·MTR, AT-575 .

A/T communication line, AT-585 .

Control unit (RAM), Control unit (ROM), AT-588 .

Control unit (EEP ROM), AT-590 .

Battery Others

5. For self-diagnosis NG items, inspect each component. Repair or replace the damaged parts.

AT-638

6. Perform all ROAD TEST and re-mark required procedures.

AT-453

7. Perform DTC CONFIRMATION PROCEDURE for following MIL indicating items and check out NG items. Refer to EC-643, "Emission-related Diagnostic Information" .

EC-643

DTC (P0731) A/T 1st gear function, AT-507 . DTC (P0732) A/T 2nd gear function, AT-512 . DTC (P0733) A/T 3rd gear function, AT-517 . DTC (P0734) A/T 4th gear function, AT-522 . DTC (P0744) A/T TCC S/V function (lock-up), AT-534 .

Revision: December 2006

AT-445

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION

[RE4F04B]

8. Perform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged parts. AT-430

Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible

AT-437

symptoms and the component inspection orders.)

9. Erase DTC from TCM and ECM memories.

AT-427

Work Flow
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR

ECS0062P

A good understanding of the malfunction conditions can make troubleshooting faster and more accurate. In general, each customer feels differently about a problem. It is important to fully understand the symptoms or conditions for a customer complaint. Make good use of the two sheets provided, AT-443, "Information from Customer" and AT-444, "Diagnostic Worksheet" , to perform the best troubleshooting possible.

Revision: December 2006

AT-446

2006 Sentra

TROUBLE DIAGNOSIS - INTRODUCTION
WORK FLOW CHART

[RE4F04B]
A B AT D E F G H I J K L M

*1: AT-443 *4: AT-448 *7: AT-429 *10: AT-486 *13: AT-631 *16: AT-486
Revision: December 2006

*2: AT-444 *5: AT-448, AT-452 *8: AT-425 *11: AT-592 *14: AT-469 *17: AT-588
AT-447

*3: AT-398 *6: AT-453 *9: AT-442 *12: AT-592 *15: AT-427 *18: EC-643

SAT086JI
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
TROUBLE DIAGNOSIS - BASIC INSPECTION A/T Fluid Check
FLUID LEAKAGE CHECK 1. Clean area suspected of leaking. For example, mating surface
of converter housing and transmission case. 2. Start engine, apply foot brake, place selector lever in D position
and wait a few minutes. 3. Stop engine.

[RE4F04B]
PFP:00000
ECS0062Q

4. Check for fresh leakage.

SAT767B

FLUID CONDITION CHECK

Fluid color Dark or black with burned odor
Milky pink
Varnished fluid, light to dark brown and tacky

Suspected problem
Wear of frictional material
Water contamination -- Road water entering through filler tube or breather
Oxidation -- Over or under filling, -- Overheating

FLUID LEVEL CHECK Refer to MA-32, "Checking A/T Fluid" .
Stall Test
STALL TEST PROCEDURE 1. Check A/T fluid and engine oil levels. If necessary, add fluid and
oil. 2. Drive vehicle for approx. 10 minutes or until fluid and oil reach
operating temperature.
ATF operating temperature :50 - 80°C (122 - 176°F)

Revision: December 2006

AT-448

SAT288G
SAT638A ECS0062R
SAT647B
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
3. Set parking brake and block wheels. 4. Install a tachometer where it can be seen by driver during test.
G It is good practice to mark the point of specified engine rpm on indicator.

[RE4F04B]
A B

5. Start engine, apply foot brake, and place selector lever in D position.
6. Accelerate to wide open throttle gradually while applying foot brake.
7. Quickly note the engine stall revolution and immediately release throttle. G During test, never hold throttle wide open for more than 5 seconds.
Stall revolution :2,350 - 2,800 rpm
8. Move selector lever to N position. 9. Cool off ATF.
G Run engine at idle for at least one minute. 10. Repeat steps 5 through 9 with selector lever in 2, 1 and R posi-
tions.

AT
SAT513G
D
E
F
G
SAT514G
H
I
J

K
SAT771B

JUDGEMENT OF STALL TEST

The test result and possible damaged components relating to each result are shown in the illustrations on next L page.

In order to pinpoint the possible damaged components, follow the procedure shown in AT-447, "WORK FLOW

CHART" .

NOTE:

Stall revolution is too high in D, 2 or 1 position:

G Slippage occurs in 1st gear but not in 2nd and 3rd gears. ..... Low one-way clutch slippage
G Slippage occurs in the following gears: 1st through 3rd gears in D position and engine brake functions with overdrive control switch set to OFF. 1st and 2nd gears in 2 position and engine brake functions with accelerator pedal released (fully closed throttle). ..... Forward clutch or forward one-way clutch slippage

Stall revolution is too high in R position:

G Engine brake does not function in 1 position. ..... Low & reverse brake slippage G Engine brake functions in 1 position. ..... Reverse clutch slippage Stall revolution within specifications:

G Vehicle does not achieve speed of more than 80 km/h (50 MPH). ..... One-way clutch seizure in torque converter housing

CAUTION: Be careful since automatic fluid temperature increases abnormally.

G Slippage occurs in 3rd and 4th gears in D position. ..... High clutch slippage

Revision: December 2006

AT-449

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION

[RE4F04B]

G Slippage occurs in 2nd and 4th gear in D position. ..... Brake band slippage G Engine brake does not function in 2nd and 3rd gears in D position, 2nd gear in 2 position, and 1st gear in
1 position with overdrive control switch set to OFF. ..... Overrun clutch slippage Stall revolution less than specifications: G Poor acceleration during starts. ..... One-way clutch seizure in torque converter

Revision: December 2006

AT-450

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION

[RE4F04B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-451

SAT499K
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
Line Pressure Test
LINE PRESSURE TEST PORTS Location of line pressure test ports are shown in the illustration. G Always replace pressure plugs as they are self-sealing
bolts.

[RE4F04B]
ECS0062S

LINE PRESSURE TEST PROCEDURE 1. Check A/T fluid and engine oil levels. If necessary, add fluid and
oil. 2. Drive vehicle for approx. 10 minutes or until fluid and oil reach
operating temperature. ATF operating temperature :50 - 80°C (122 176°F)
3. Install pressure gauge to corresponding line pressure port.

SAT301FA SAT647B

4. Set parking brake and block wheels.
G Continue to depress brake pedal fully while line pressure test is being performed at stall speed.

Revision: December 2006

AT-452

AAT898 SAT513G
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION

5. Start engine and measure line pressure at idle and stall speed.
G When measuring line pressure at stall speed, follow the stall test procedure.

AT-452, "Line Pressure : Refer to SDS, AT-747,

Test"

"Line Pressure"

[RE4F04B]
A B

JUDGEMENT OF LINE PRESSURE TEST

SAT493G
D

Judgement

Suspected parts

Line pressure is low in all positions.

At idle

Line pressure is low in particular position.

G Oil pump wear

G Control piston damage

G Pressure regulator valve or plug sticking

G Spring for pressure regulator valve damaged

G Fluid pressure leakage between oil strainer and pressure regulator valve

G Clogged strainer

G Fluid pressure leakage between manual valve and particular clutch

G For example, line pressure is:

- Low in R and 1 positions, but

- Normal in D and 2 positions.

Therefore, fluid leakage exists at or around low and

reverse brake circuit.

Refer to AT-409, "CLUTCH AND BAND CHART" .

Line pressure is high.

G A/T fluid temperature sensor damaged

G Line pressure solenoid valve sticking

G Short circuit of line pressure solenoid valve circuit

G Pressure modifier valve sticking

G Pressure regulator valve or plug sticking

G Open in dropping resistor circuit

Line pressure is low. At stall speed

G Line pressure solenoid valve sticking

G Short circuit of line pressure solenoid valve circuit

G Pressure regulator valve or plug sticking

G Pressure modifier valve sticking

G Pilot valve sticking

Road Test
DESCRIPTION G The purpose of the test is to determine overall performance of A/
T and analyze causes of problems. G The road test consists of the following three parts:
1. Check before engine is started 2. Check at idle
3. Cruise test

ECS0062T

SAT786A

Revision: December 2006

AT-453

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
G Before road test, familiarize yourself with all test procedures and items to check.
G Conduct tests on all items until specified symptom is found. Troubleshoot items which check out No Good after road test. Refer to AT-425, "ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION" and AT-592, "TROUBLE DIAGNOSIS FOR SYMPTOMS" .

[RE4F04B]
SAT496G

Revision: December 2006

AT-454

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
1. CHECK BEFORE ENGINE IS STARTED
1. CHECK O/D OFF INDICATOR LAMP
1. Park vehicle on flat surface. 2. Move selector lever to P position. 3. Turn ignition switch to OFF position. Wait at least 5 seconds. 4. Turn ignition switch to ON position. (Do not start engine.) 5. Does O/D OFF indicator lamp come on for about 2 seconds? Yes or No
Yes >> GO TO 2. No >> Stop ROAD TEST. Go to AT-596, "1. O/D OFF Indicator
Lamp Does Not Come On" .
2. CHECK O/D OFF INDICATOR LAMP
Does O/D OFF indicator lamp flicker for about 8 seconds? Yes or No
Yes >> TCM is in fail-safe mode. Perform self-diagnosis and check NG items on the DIAGNOSTIC WORKSHEET, AT-444 . Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" .
No >> 1. Turn ignition switch to OFF position. 2. Perform self-diagnosis and note NG items. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" . 3. Go to AT-455, "2. CHECK AT IDLE" .
2. CHECK AT IDLE
1. CHECK ENGINE START
1. Park vehicle on flat surface. 2. Move selector lever to P position. 3. Turn ignition switch to OFF position. 4. Turn ignition switch to START position. 5. Is engine started? Yes or No
Yes >> Stop ROAD TEST. No >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to
AT-597, "2. Engine Cannot Be Started In P and N Position" .

[RE4F04B]
A B AT D E
SAT967I
F G H I
WCIA0129E
J K L M
SAT769B

Revision: December 2006

AT-455

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
2. CHECK ENGINE START
1. Turn ignition switch to ACC position. 2. Move selector lever to D, 1, 2 or R position. 3. Turn ignition switch to START position. 4. Is engine started? Yes or No
Yes >> Stop ROAD TEST. Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-597, "2. Engine Cannot Be Started In P and N Position" .
No >> GO TO 3.
3. CHECK VEHICLE MOVE
1. Move selector lever to P position. 2. Turn ignition switch to OFF position. 3. Release parking brake.

[RE4F04B]
SAT770B

4. Push vehicle forward or backward. 5. Does vehicle move when it is pushed forward or backward? 6. Apply parking brake. Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-599, "3. In P Position, Vehicle Moves Forward or Backward When Pushed" . Continue ROAD TEST.
No >> GO TO 4.
4. CHECK VEHICLE MOVE
1. Start engine. 2. Move selector lever to N position. 3. Release parking brake. 4. Does vehicle move forward or backward? Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-599, "4. In N Position, Vehicle Moves" . Continue ROAD TEST.
No >> GO TO 5.

Revision: December 2006

AT-456

SAT768B SAT796A
SAT771B
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
5. CHECK SHIFT LOCK
1. Apply foot brake.
2. Move selector lever to R position. 3. Is there large shock when changing from N to R position? Yes or No
Yes >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to AT-601, "5. Large Shock N R Position" . Continue ROAD TEST.
No >> GO TO 6.
6. CHECK VEHICLE MOVE
1. Release foot brake for several seconds. 2. Does vehicle creep backward when foot brake is released? Yes or No
Yes >> GO TO 7. No >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to
AT-603, "6. Vehicle Does Not Creep Backward In R Position" . Continue ROAD TEST.
7. CHECK VEHICLE MOVE
1. Move selector lever to D, 2 and 1 positions and check if vehicle creeps forward.
2. Does vehicle creep forward in all three positions? Yes or No
Yes >> Go to AT-458, "3. CRUISE TEST" . No >> Mark the box on the DIAGNOSTIC WORKSHEET. Go to
AT-606, "7. Vehicle Does Not Creep Forward in D, 2 or 1 Position" . Continue ROAD TEST.

[RE4F04B]
A B AT D
SAT797A
E F G H
SAT772B
I J K L
SAT799A
M
SAT773B

Revision: December 2006

AT-457

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
3. CRUISE TEST G Check all items listed in Parts 1 through 3.

[RE4F04B]

SAT601J
With CONSULT-II G Using CONSULT-II, conduct a cruise test and record the result. G Print the result and ensure that shifts and lock-ups take place as per Shift Schedule. Refer to AT-746,
"Shift Schedule" CONSULT-II Setting Procedure CAUTION: If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be detected in self-diagnosis depending on control unit which carries out CAN communication. 1. With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn ignition switch ON.
LAT136
2. Touch "START (NISSAN BASED VHCL)".

3. Touch "A/T". If "A/T" is not indicated, go to GI-38, "CONSULT-II Data Link Connector (DLC) Circuit" .

Revision: December 2006

AT-458

BCIA0029E
BCIA0030E
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
4. Touch "DATA MONITOR".
5. Touch "MAIN SIGNAL" or "TCM INPUT SIGNALS". 6. See "NUMERICAL DISPLAY", "BARCHART DISPLAY" or "LINE
GRAPH DISPLAY".
7. Touch "SETTING" to set recording condition ("AUTO TRIG" or "MANU TRIG") and touch "BACK".
8. Touch "START".
9. When performing cruise test, touch "RECORD".

[RE4F04B]
A
B
AT
BCIA0031E
D
E
F
G
SAT175K
H
I
J
K
SAT973J
L
M

SAT134K

Revision: December 2006

AT-459

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
10. After finishing cruise test part 1, touch "STOP".

[RE4F04B]

11. Touch "STORE" and touch "BACK".

SAT135K

12. Touch "DISPLAY". 13. Touch "PRINT". 14. Check the monitor data printed out. 15. Continue cruise test part 2 and 3.

SAT987J SAT975J

Revision: December 2006

AT-460

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
Cruise Test -- Part 1
1. CHECK STARTING GEAR (D1 ) POSITION

[RE4F04B]
A

1. Drive vehicle for approx. 10 minutes to warm engine oil and ATF up to operating temperature.

ATF operating tempera- :50 - 80°C (122 - 176°F)

ture

2. Park vehicle on flat surface.

3. Set overdrive control switch to ON position.

4. Move selector lever to P position.

5. Start engine.

6. Move selector lever to D position.

SAT001J

7. Accelerate vehicle by constantly depressing accelerator pedal half-way.
8. Does vehicle start from D1 ?
Read gear position.
Yes or No
Yes >> GO TO 2. No >> Go to AT-608, "8. Vehicle Cannot Be Started From D1" .
Continue ROAD TEST.

J
SAT775B
K L M
SAT495G

Revision: December 2006

AT-461

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
2. CHECK SHIFT UP (D1 TO D2 )
Does A/T shift from D1 to D2 at the specified speed? Read gear position, throttle opening and vehicle speed. Specified speed when :Refer to AT-746, "Shift shifting from D1 to D2 Schedule" .
Yes or No Yes >> GO TO 3. No >> Go to AT-611, "9. A/T Does Not Shift: D1 D2 or Does Not Kickdown: D4 D2" . Continue ROAD TEST.
3. CHECK SHIFT UP (D2 TO D3 )
Does A/T shift from D2 to D3 at the specified speed? Read gear position, throttle opening and vehicle speed. Specified speed when :Refer to AT-746, "Shift shifting from D2 to D3 Schedule" .
Yes or No Yes >> GO TO 4. No >> Go to AT-613, "10. A/T Does Not Shift: D2 D3" . Continue ROAD TEST.
4. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Read gear position, throttle opening and vehicle speed. Specified speed when :Refer to AT-746, "Shift shifting from D3 to D4 Schedule" .
Yes or No Yes >> GO TO 5. No >> Go to AT-616, "11. A/T Does Not Shift: D3 D4" . Continue ROAD TEST.

[RE4F04B]
SAT954I SAT955I SAT956I

Revision: December 2006

AT-462

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION

5. CHECK LOCK-UP (D4 TO D4 L/U)

Does A/T perform lock-up at the specified speed?

Read vehicle speed, throttle opening when lock-up duty becomes 94%.

Specified speed when :Refer to AT-746, "Shift

lock-up occurs

Schedule" .

Yes or No
Yes >> GO TO 6. No >> Go to AT-618, "12. A/T Does Not Perform Lock-up" .
Continue ROAD TEST.

6. CHECK HOLD LOCK-UP
Does A/T hold lock-up condition for more than 30 seconds? Yes or No
Yes >> GO TO 7. No >> Go to AT-619, "13. A/T Does Not Hold Lock-up Condition" .
7. CHECK SHIFT DOWN (D4 L/U TO D4 )
1. Release accelerator pedal. 2. Is lock-up released when accelerator pedal is released? Yes or No
Yes >> GO TO 8. No >> Go to AT-620, "14. Lock-up Is Not Released" . Continue
ROAD TEST.

8. CHECK SHIFT DOWN (D4 TO D3 )
1. Decelerate vehicle by applying foot brake lightly. 2. Does engine speed return to idle smoothly when A/T is shifted
from D4 to D3 ?
Read gear position and engine speed. Yes or No
Yes >> 1. Stop vehicle. 2. Go to AT-464, "Cruise Test -- Part 2" .
No >> Go to AT-621, "15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )" . Continue ROAD TEST.

[RE4F04B]
A B AT D E
SAT957I
F G H I J K
SAT958I
L M
SAT959I

Revision: December 2006

AT-463

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
Cruise Test -- Part 2
1. CHECK STARTING GEAR (D1 ) POSITION
1. Confirm overdrive control switch is in ON position. 2. Confirm selector lever is in D position. 3. Accelerate vehicle by half throttle again. 4. Does vehicle start from D1 ?
Read gear position. Yes or No
Yes >> GO TO 2. No >> Go to AT-623, "16. Vehicle Does Not Start From D1" .
Continue ROAD TEST.
2. CHECK SHIFT UP AND SHIFT DOWN (D3 TO D4 TO D2 )
1. Accelerate vehicle to 80 km/h (50 MPH) as shown in illustration. 2. Release accelerator pedal and then quickly depress it fully. 3. Does A/T shift from D4 to D2 as soon as accelerator pedal is
depressed fully? Read gear position and throttle opening.
Yes or No Yes >> GO TO 3. No >> Go to AT-611, "9. A/T Does Not Shift: D1 D2 or Does Not Kickdown: D4 D2" . Continue ROAD TEST.
3. CHECK SHIFT UP (D2 TO D3 )
Does A/T shift from D2 to D3 at the specified speed? Read gear position, throttle opening and vehicle speed. Specified speed when :Refer to AT-746, "Shift shifting from D2 to D3 Schedule" .
Yes or No Yes >> GO TO 4. No >> Go to AT-613, "10. A/T Does Not Shift: D2 D3" . Continue ROAD TEST.

[RE4F04B]
SAT495G SAT404H SAT960I

Revision: December 2006

AT-464

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
4. CHECK SHIFT UP (D3 TO D4 ) AND ENGINE BRAKE
Release accelerator pedal after shifting from D2 to D3 . Does A/T shift from D3 to D4 and does vehicle decelerate by engine brake?
Read gear position, throttle opening and vehicle speed. Yes or No
Yes >> 1. Stop vehicle. 2. Go to AT-466, "Cruise Test -- Part 3" .
No >> Go to AT-616, "11. A/T Does Not Shift: D3 D4" . Continue ROAD TEST.

[RE4F04B]
A

SAT405H

Revision: December 2006

AT-465

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
Cruise Test -- Part 3
1. VEHICLE SPEED (D4 ) POSITION
1. Confirm overdrive control switch is in ON position. 2. Confirm selector lever is in D position. 3. Accelerate vehicle using half-throttle to D4 .

[RE4F04B]

4. Release accelerator pedal. 5. Set overdrive control switch to OFF position while driving in D4 . 6. Does A/T shift from D4 to D3 (O/D OFF)?
Read gear position and vehicle speed.

SAT812A SAT813A

SAT999I
Yes or No
Yes >> GO TO 2. No >> Go to AT-624, "17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch ON OFF" .
Continue ROAD TEST.

Revision: December 2006

AT-466

2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
2. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> GO TO 3. No >> Go to AT-621, "15. Engine Speed Does Not Return To
Idle (Light Braking D4 D3 )" . Continue ROAD TEST.
3. CHECK SHIFT DOWN (D3 TO D2 )
1. Move selector lever from D to 2 position while driving in D3 (O/D OFF). 2. Does A/T shift from D3 (O/D OFF) to 22 ?
Read gear position. Yes or No
Yes >> GO TO 4. No >> Go to AT-624, "18. A/T Does Not Shift: D3 22 , When
Selector Lever D 2 Position" . Continue ROAD TEST.
4. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> GO TO 5. No >> Go to AT-621, "15. Engine Speed Does Not Return To
Idle (Light Braking D4 D3 )" . Continue ROAD TEST.
5. CHECK SHIFT DOWN (22 TO 11 )
1. Move selector lever from 2 to 1 position while driving in 22 . 2. Does A/T shift from 22 to 11 position?
Read gear position. Yes or No
Yes >> GO TO 6. No >> Go to AT-625, "19. A/T Does Not Shift: 22 11 , When
Selector Lever 2 1 Position" . Continue ROAD TEST.

[RE4F04B]
A
B
AT
D
SAT999I
E
F
G H
I
SAT791GA
J
K L
M
SAT791GA

Revision: December 2006

AT-467

SAT778B
2006 Sentra

TROUBLE DIAGNOSIS - BASIC INSPECTION
6. CHECK ENGINE BRAKE
Does vehicle decelerate by engine brake? Yes or No
Yes >> 1. Stop vehicle. 2. Perform self-diagnosis. Refer to AT-438, "TCM SELFDIAGNOSTIC PROCEDURE (NO TOOLS)" .
No >> Go to AT-626, "20. Vehicle Does Not Decelerate By Engine Brake" . Continue ROAD TEST.

[RE4F04B]
SAT778B

Revision: December 2006

AT-468

2006 Sentra

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

Symptom Chart

Numbers are arranged in order of inspection. Perform inspections starting with number one and work up.

Items

Symptom

Condition

Diagnostic Item

PFP:00000
A
ECS0062U

Reference Page

1. Throttle position sensor {accelerator pedal position (APP) sensor]

AT-558

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

Torque converter ON vehicle

3. Engine speed signal

AT-503
D

is not locked up.

4. A/T fluid temperature sensor

AT-568

5. Line pressure test

AT-452

6. Torque converter clutch solenoid valve

AT-529

7. Control valve assembly

AT-638

OFF vehicle

8. Torque converter

AT-651

1. Fluid level

AT-448

No Lock-up Engagement/ TCC Inoperative

2. Throttle position sensor {accelerator pedal position (APP) sensor]

AT-558

Torque converter ON vehicle

3. Line pressure test

AT-452

clutch piston slip.

4. Torque converter clutch solenoid valve

AT-529

5. Line pressure solenoid valve

AT-542

6. Control valve assembly

AT-638

OFF vehicle

7. Torque converter

AT-651

1. Throttle position sensor {accelerator pedal position (APP) sensor]

AT-558

Lock-up point is extremely high or ON vehicle

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

low.

3. Torque converter clutch solenoid valve

AT-529

4. Control valve assembly

AT-638

1. Engine idling rpm

EC-669

2. Throttle position sensor {accelerator pedal position (APP) sensor]

AT-558

3. Line pressure test

AT-452

Sharp shock in ON vehicle

4. A/T fluid temperature sensor

AT-568

Shift Shock

shifting from N to D position.

5. Engine speed signal

AT-503

6. Line pressure solenoid valve

AT-542

7. Control valve assembly

AT-638

8. Accumulator N-D

AT-651

OFF vehicle

9. Forward clutch

AT-696

Revision: December 2006

AT-469

2006 Sentra

Items
Shift Shock
Improper Shift Timing

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Too sharp a shock in change from D1 to D2 .

ON vehicle

OFF vehicle

Too sharp a shock in change from D2 to D3 .

ON vehicle

OFF vehicle

Too sharp a shock in change from D3 to D4 .

ON vehicle

OFF vehicle

Gear change shock felt during deceleration by releasing accelerator pedal.

ON vehicle

Large shock changing from 12 to 11 in 1 position.

ON vehicle ON vehicle

Too high a gear change point from D1 to D2 , from D2 to D3 , from D3 to D4 .

ON vehicle

Gear change directly from D1 to D3 occurs.

ON vehicle OFF vehicle

Too high a change point from D4 to D3 , from D3 to D2 , from D2 to D1 .

ON vehicle

Diagnostic Item

Reference Page

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Line pressure test

AT-452

3. Accumulator servo release

AT-651

4. Control valve assembly

AT-638

5. A/T fluid temperature sensor

AT-568

6. Brake band

AT-651

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Line pressure test

AT-452

3. Control valve assembly

AT-638

4. A/T fluid temperature sensor

AT-492

5. High clutch

AT-691

6. Brake band

AT-651

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Line pressure test

AT-452

3. Control valve assembly

AT-638

4. A/T fluid temperature sensor

AT-492

5. Brake band

AT-651

6. Overrun clutch

AT-696

7. Forward one-way clutch

AT-651

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Line pressure test

AT-452

3. Overrun clutch solenoid valve

AT-563

4. Control valve assembly

AT-638

1. Control valve assembly

AT-638

2. Low & reverse brake

AT-702

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

3. Shift solenoid valve A

AT-548

4. Shift solenoid valve B

AT-553

1. Fluid level

AT-448

2. Accumulator servo release

AT-651

3. Brake band

AT-651

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

Revision: December 2006

AT-470

2006 Sentra

Items Improper Shift Timing
No Down Shift

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Diagnostic Item

Reference Page

Kickdown does

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

not operate when

depressing pedal in D4 within kick-

ON vehicle

2. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

down vehicle speed.

3. Shift solenoid valve A 4. Shift solenoid valve B

AT-548

AT-553

Kickdown operates or engine

1. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

overruns when depressing pedal ON vehicle

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

in D4 beyond

kickdown vehicle

3. Shift solenoid valve A

AT-548

speed limit.

4. Shift solenoid valve B

AT-553

Gear change from 22 to 23 in 2 ON vehicle position.

1. Park/neutral position (PNP) switch adjustment

AT-640

2. Control cable adjustment

AT-641

Gear change from 11 to 12 in 1 ON vehicle

1. Park/neutral position (PNP) switch adjustment

AT-640

position.

2. Control cable adjustment

AT-641

1. Fluid level

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

Failure to change ON vehicle gear from D4 to

3. Overrun clutch solenoid valve 4. Shift solenoid valve A

AT-563 AT-548

D3 .

5. Line pressure solenoid valve

AT-542

6. Control valve assembly

AT-638

OFF vehicle

7. Brake band 8. Overrun clutch

AT-651 AT-696

1. Fluid level

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

Failure to change ON vehicle gear from D3 to

3. Shift solenoid valve A

AT-548

D2 or from D4 to

4. Shift solenoid valve B

AT-553

D2 .

5. Control valve assembly

AT-638

OFF vehicle

6. High clutch 7. Brake band

AT-691 AT-651

1. Fluid level

AT-448

Failure to change gear from D2 to D1 or from D3 to D1 .

ON vehicle

2. Throttle position sensor [accelerator pedal position (APP) sensor] 3. Shift solenoid valve A 4. Shift solenoid valve B 5. Control valve assembly 6. Low one-way clutch

AT-558
AT-548 AT-553 AT-638 AT-651

OFF vehicle

7. High clutch

AT-691

8. Brake band

AT-651

Revision: December 2006

AT-471

2006 Sentra

Items No Down Shift
No Up Shift No Up Shift

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Failure to change from D3 to 22 when changing lever into 2 position. AT-624

ON vehicle OFF vehicle

Does not change from 12 to 11 in 1 position.

ON vehicle

OFF vehicle

Failure to change ON vehicle gear from D1 to D2 .
OFF vehicle

Failure to change gear from D2 to D3 .

ON vehicle

OFF vehicle

Failure to change ON vehicle gear from D3 to D4 .
OFF vehicle

Diagnostic Item

Reference Page

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Shift solenoid valve B

AT-553

3. Control valve assembly

AT-638

4. Control cable adjustment

AT-641

5. Brake band

AT-651

1. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

2. Shift solenoid valve A

AT-548

3. Control valve assembly

AT-638

4. Overrun clutch

AT-696

5. Brake band

AT-651

6. Low & reverse brake

AT-702

1. Control cable adjustment

AT-641

2. Shift solenoid valve A

AT-548

3. Control valve assembly

AT-638

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

5. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

6. Brake band

AT-651

1. Control cable adjustment

AT-641

2. Shift solenoid valve B

AT-553

3. Control valve assembly

AT-638

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

5. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

6. High clutch

AT-691

7. Brake band

AT-651

1. Park/neutral position (PNP) switch adjustment

AT-640

2. Overdrive control switch

AT-626

3. Shift solenoid valve A

AT-548

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

5. Throttle position sensor [accelerator pedal position (APP) sensor

AT-640

6. A/T fluid temperature sensor

AT-568

7. Brake band

AT-651

Revision: December 2006

AT-472

2006 Sentra

Items No Up Shift
Slips/Will Not Engage
Slips/Will Not Engage

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Diagnostic Item

Reference Page

1. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

2. Park/neutral position (PNP) switch adjustment

AT-640

3. Overdrive control switch

AT-626

A/T does not shift to D4 when driv-

ON vehicle

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

ing with over-

5. Shift solenoid valve A

AT-548

drive control switch ON.

6. Overrun clutch solenoid valve

AT-563

7. Control valve assembly

AT-638

8. A/T fluid temperature sensor

AT-568

9. Line pressure solenoid valve

AT-542

10. Brake band

AT-651

OFF vehicle

11. Overrun clutch

AT-696
F

1. Control cable adjustment

AT-641

2. Line pressure test

AT-452

Vehicle will not ON vehicle

3. Stall test

AT-448

run in R position (but runs in D, 2 and 1 positions). Clutch slips. Very poor acceleration.

4. Line pressure solenoid valve

AT-542

5. Control valve assembly

AT-638

6. Reverse clutch

AT-688

7. High clutch

AT-691

AT-603

OFF vehicle

8. Forward clutch

AT-696

9. Overrun clutch

AT-696

10. Low & reverse brake

AT-702

Vehicle will not ON vehicle

1. Control cable adjustment

AT-641

run in D and 2

positions (but runs in 1 and R positions).

OFF vehicle

2. Low one-way clutch

AT-651

1. Fluid level

AT-448

2. Stall test

AT-448

3. Line pressure test

AT-452

Vehicle will not ON vehicle

run in D, 1, 2 positions (but

4. Line pressure solenoid valve

AT-542

5. Control valve assembly

AT-638

runs in R position). Clutch slips.

6. Accumulator N-D

AT-651

Very poor accel-

7. Reverse clutch

AT-688

eration. AT-606

8. High clutch

AT-691

OFF vehicle

9. Forward clutch

AT-696

10. Forward one-way clutch

AT-651

11. Low one-way clutch

AT-651

Revision: December 2006

AT-473

2006 Sentra

Items
Slips/Will Not Engage

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

ON vehicle
Clutches or brakes slip somewhat in starting.

OFF vehicle

No creep at all. AT-603, AT-606

ON vehicle OFF vehicle

Almost no shock or clutches slipping in change from D1 to D2 .

ON vehicle

OFF vehicle

Diagnostic Item

Reference Page

1. Fluid level

AT-448

2. Control cable adjustment

AT-641

3. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

4. Line pressure test

AT-452

5. Line pressure solenoid valve

AT-542

6. Control valve assembly

AT-638

7. Accumulator N-D

AT-651

8. Shift solenoid valve A

AT-548

9. Shift solenoid valve B

AT-553

10. Overrun clutch solenoid valve

AT-563

11. Torque converter clutch solenoid valve AT-529

12. Forward clutch

AT-696

13. Reverse clutch

AT-688

14. Low & reverse brake

AT-702

15. Oil pump

AT-669

16. Torque converter

AT-651

1. Fluid level

AT-448

2. Line pressure test

AT-452

3. Control valve assembly

AT-638

4. Forward clutch

AT-696

5. Oil pump

AT-669

6. Torque converter

AT-651

1. Fluid level

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

3. Line pressure test

AT-452

4. Accumulator servo release

AT-651

5. Control valve assembly

AT-638

6. Brake band

AT-651

Revision: December 2006

AT-474

2006 Sentra

Items
Slips/Will Not Engage

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Diagnostic Item 1. Fluid level

Reference Page
A
AT-448

Almost no shock ON vehicle or slipping in

2. Throttle position sensor [accelerator pedal position (APP) sensor]
3. Line pressure test

AT-558 AT-452

change from D2

to D3 .

4. Control valve assembly

AT-638

OFF vehicle

5. High clutch 6. Forward clutch

AT-691

AT-696

1. Fluid level

AT-448

Almost no shock

or slipping in

ON vehicle

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

change from D3 to D4 .

3. Line pressure test

AT-452

4. Control valve assembly

AT-638

OFF vehicle

5. Brake band

AT-651

1. Fluid level

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

Races extremely fast or slips in

ON vehicle

3. Line pressure test

AT-452

changing from D4

4. Line pressure solenoid valve

AT-542

to D3 when

5. Shift solenoid valve B

AT-548

depressing pedal.

6. Control valve assembly

AT-638

OFF vehicle

7. Brake band 8. Forward clutch 1. Fluid level

AT-651

AT-696

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

Races extremely fast or slips in

ON vehicle

3. Line pressure test 4. Line pressure solenoid valve

AT-452 AT-542

changing from D4 to D2 when

5. Shift solenoid valve A

AT-548

depressing pedal.

6. Shift solenoid valve B

AT-548

7. Control valve assembly

AT-638

OFF vehicle

8. Brake band 9. High clutch 10. Forward clutch

AT-651

AT-691

AT-696

1. Fluid level

AT-448

Races extremely fast or slips in changing from D3 to D2 when depressing pedal.

ON vehicle

2. Throttle position sensor [accelerator pedal position (APP) sensor] 3. Line pressure test 4. Line pressure solenoid valve 5. Control valve assembly 6. Shift solenoid valve B

AT-558
AT-452 AT-542 AT-638 AT-548

OFF vehicle

7. Brake band 8. High clutch

AT-651 AT-691

Revision: December 2006

AT-475

2006 Sentra

Items Slips/Will Not Engage
NOT USED

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

Races extremely fast or slips in changing from D4 or D3 to D1 when depressing pedal.

ON vehicle

OFF vehicle

ON vehicle

Vehicle will not run in any position.

OFF vehicle

Engine cannot be started in P and N positions. AT-597

ON vehicle

Engine starts in positions other than P and N. AT-597

ON vehicle

Transaxle noise in P and N positions.

ON vehicle

OFF vehicle

Vehicle moves when changing into P position or parking gear does not disengage when shifted out of P position. AT-599

ON vehicle OFF vehicle

Diagnostic Item

Reference Page

1. Fluid level

AT-448

2. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

3. Line pressure test

AT-452

4. Line pressure solenoid valve

AT-542

5. Shift solenoid valve A

AT-548

6. Shift solenoid valve B

AT-548

7. Control valve assembly

AT-638

8. Forward clutch

AT-696

9. Forward one-way clutch

AT-651

10. Low one-way clutch

AT-651

1. Fluid level

AT-448

2. Control cable adjustment

AT-641

3. Line pressure test

AT-452

4. Line pressure solenoid valve

AT-542

5. Oil pump

AT-669

6. High clutch

AT-691

7. Brake band

AT-651

8. Low & reverse brake

AT-702

9. Torque converter

AT-651

10. Parking components

AT-666

1. Ignition switch and starter

PG-3, SC-7

2. Control cable adjustment

AT-641

3. Park/neutral position (PNP) switch adjustment

AT-640

1. Control cable adjustment

AT-641

2. Park/neutral position (PNP) switch adjustment

AT-640

1. Fluid level

AT-448

2. Line pressure test

AT-452

3. Throttle position sensor [accelerator pedal position (APP) sensor] (Adjustment)

EC-670

4. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

5. Oil pump

AT-669

6. Torque converter

AT-651

1. Control cable adjustment

AT-641

2. Parking components

AT-666

Revision: December 2006

AT-476

2006 Sentra

Items NOT USED

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom
Vehicle runs in N position. AT-599

Condition ON vehicle
OFF vehicle

Diagnostic Item 1. Control cable adjustment 2. Forward clutch 3. Reverse clutch 4. Overrun clutch

Reference Page
A
AT-641

AT-696

AT-688

AT-696

1. Fluid level

AT-448

2. Line pressure test

AT-452

ON vehicle

3. Line pressure solenoid valve

AT-542

Vehicle braked when shifting into

4. Control valve assembly

AT-638

R position.

5. High clutch

AT-691

OFF vehicle

6. Brake band 7. Forward clutch

AT-651

AT-696

8. Overrun clutch

AT-696

Excessive creep. ON vehicle

1. Engine idling rpm 1. Engine idling rpm

EC-669
F
EC-669

Engine stops

2. Fluid level

AT-448

when shifting

ON vehicle

lever into R, D, 2

3. Torque converter clutch solenoid valve

AT-529

and 1.

4. Control valve assembly

AT-638

OFF vehicle ON vehicle

5. Torque converter 1. Fluid level

AT-651
H
AT-448

Vehicle braked by

gear change from

D1 to D2 .

OFF vehicle

2. Reverse clutch 3. Low & reverse brake 4. High clutch

AT-688

AT-702

AT-691

Vehicle braked by ON vehicle

gear change from

D2 to D3 .

OFF vehicle

5. Low one-way clutch 1. Fluid level 2. Brake band

AT-651

AT-448

AT-651

ON vehicle

1. Fluid level

AT-448

Vehicle braked by

2. Overrun clutch

AT-696

gear change from

D3 to D4 .

OFF vehicle

3. Forward one-way clutch

AT-651

4. Reverse clutch

AT-688

Revision: December 2006

AT-477

2006 Sentra

Items NOT USED

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Symptom

Condition

ON vehicle
Maximum speed not attained. Acceleration poor.

OFF vehicle

Transaxle noise in D, 2, 1 and R positions.

ON vehicle ON vehicle

Engine brake does not operate in "1" position. AT-626

ON vehicle

OFF vehicle

ON vehicle
Transaxle overheats.
OFF vehicle

Diagnostic Item

Reference Page

1. Fluid level

AT-448

2. Park/neutral position (PNP) switch adjustment

AT-640

3. Overdrive control switch

AT-626

4. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

5. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

6. Shift solenoid valve A

AT-548

7. Shift solenoid valve B

AT-553

8. Control valve assembly

AT-638

9. Reverse clutch

AT-688

10. High clutch

AT-691

11. Brake band

AT-651

12. Low & reverse brake

AT-702

13. Oil pump

AT-669

14. Torque converter

AT-651

1. Fluid level

AT-448

2. Torque converter

AT-651

1. Park/neutral position (PNP) switch adjustment

AT-640

2. Control cable adjustment

AT-641

3. Vehicle speed sensor·A/T (Revolution sensor) and vehicle speed sensor·MTR

AT-498, AT-575

4. Control valve assembly

AT-638

5. Overrun clutch solenoid valve

AT-563

6. Overrun clutch

AT-696

7. Low & reverse brake

AT-702

1. Fluid level

AT-448

2. Engine idling rpm

EC-669

3. Throttle position sensor [accelerator pedal position (APP) sensor]

AT-558

4. Line pressure test

AT-452

5. Line pressure solenoid valve

AT-542

6. Control valve assembly

AT-638

7. Oil pump

AT-669

8. Reverse clutch

AT-688

9. High clutch

AT-691

10. Brake band

AT-651

11. Forward clutch

AT-696

12. Overrun clutch

AT-696

13. Low & reverse brake

AT-702

14. Torque converter

AT-651

Revision: December 2006

AT-478

2006 Sentra

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Items

Symptom

Condition

Diagnostic Item

ON vehicle

1. Fluid level

ATF shoots out during operation. White smoke emitted from exhaust pipe during operation.

OFF vehicle

2. Reverse clutch 3. High clutch 4. Brake band 5. Forward clutch 6. Overrun clutch

7. Low & reverse brake

NOT USED

ON vehicle

1. Fluid level 2. Torque converter 3. Oil pump

Offensive smell at

fluid charging pipe.

OFF vehicle

4. Reverse clutch 5. High clutch 6. Brake band

7. Forward clutch

8. Overrun clutch

9. Low & reverse brake

TCM Terminals and Reference Value
PREPARATION

Reference Page
A
AT-448

AT-688

AT-691

AT-651

AT-696

AT-702

AT-448

AT-651

AT-669

AT-688

AT-691

AT-651
F
AT-696

AT-696

AT-702

ECS0062V
H

AAT475A

G Measure voltage between each terminal and terminal 25 or 48 by following "TCM INSPECTION TABLE".

TCM HARNESS CONNECTOR TERMINAL LAYOUT
L

WAT158
TCM INSPECTION TABLE (Data are reference values.)

Revision: December 2006

AT-479

2006 Sentra

Terminal No.
1
2
3 5* 6*
10

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Wire color

Item

R/W

Line pressure solenoid valve

Line pressure

P/B

solenoid valve (with dropping

resistor)

Torque converter Y/G clutch solenoid
valve

CAN-H

CAN-L

Condition

Judgement standard (Approx.)

When releasing accelerator pedal after warming up engine.

1.5 - 3.0V

When depressing accelerator pedal fully after warming up engine.

When releasing accelerator pedal after warming up engine.

4 - 14V

When depressing accelerator pedal fully after warming up engine.

When A/T performs lock-up.

8 - 15V

When A/T does not perform lock-up.

BR/R Power source

When turning ignition switch to ON. When turning ignition switch to OFF.

Battery voltage
0V

L/W

Shift solenoid valve A

L/Y

Shift solenoid valve B

BR/R Power source

When shift solenoid valve A operates. (When driving in D1 or D4 .)
When shift solenoid valve A does not operate. (When driving in D2 or D3 .)
When shift solenoid valve B operates. (When driving in D1 or D2 .)
When shift solenoid valve B does not operate. (When driving in D3 or D4 .)

Battery voltage
0V
Battery voltage
0V

With ignition switch ON.

Battery voltage

With ignition switch OFF.

L/B

Overrun clutch solenoid valve

Ground

BR/Y

PNP switch 1 position

B/R

PNP switch 2 position

When overrun clutch solenoid valve operates.

Battery voltage

When overrun clutch solenoid valve does not operate.

When setting selector lever to 1 position.

Battery voltage

When setting selector lever to other positions. 0V

When setting selector lever to 2 position.

Battery voltage

When setting selector lever to other positions. 0V

Revision: December 2006

AT-480

2006 Sentra

Terminal No.
28
29
30** 31** 32

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

Wire color

Item

Condition

[RE4F04B]

Judgement

standard

(Approx.)

R/B

Power source (Memory back-up)

With ignition switch OFF. With ignition switch ON.

Battery

voltage

Battery voltage

Revolution sensor

G/B GY/L

Data link connector (RX)
Data link connector (TX)

Sensor power

When moving at 20 km/h (12 MPH), use the

CONSULT-II pulse frequency measuring func-

tion.*1

CAUTION:

450 Hz

Connect the diagnosis data link cable to the

vehicle diagnosis connector.

*1: A circuit tester cannot be used to test this

item.

When vehicle is parked.

Under 1.3V or F
over 4.5V

Ignition switch ON.

H
4.5 - 5.5V

Ignition switch OFF.

I
0V

W/G

PNP switch D position

G/Y

PNP switch R position

PNP switch P or N position

Turbine revolution sensor

When setting selector lever to D position.

Battery voltage

When setting selector lever to other positions. 0V

When setting selector lever to R position.

Battery voltage

When setting selector lever to other positions. 0V

When setting selector lever to P or N position.

Battery voltage

When setting selector lever to other positions. 0V

When moving at 20 km/h (12 MPH), use the

CONSULT-II pulse frequency measuring func-

tion.*1

CAUTION: Connect the diagnosis data link cable to the vehicle diagnosis connector. *1: A circuit tester cannot be used to test this item.

240 Hz

When vehicle is parked.

Under 1.3V or over 4.5V

L/OR

Engine speed signal

Refer to EC-698, "ECM INSPECTION TABLE" .

Revision: December 2006

AT-481

2006 Sentra

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION

[RE4F04B]

Terminal No.

Wire color

Item

Condition

Judgement standard (Approx.)

PU/R

Vehicle speed sensor

When moving vehicle at 2 to 3 km/h (1 to 2 MPH) for 1 m (3 ft) or more.

Voltage varies between less than 1V and more than 4.5V

Throttle position

sensor [accelerator pedal position

(APP) sensor]

B/W Sensor ground

A/T fluid temperature sensor

When depressing accelerator pedal slowly after warming up engine. (Voltage rises gradually in response to throttle position.)

Fully-closed throttle: 0.5V Fully-open throttle: 4V

When ATF temperature is 20°C (68°F).

1.5V

When ATF temperature is 80°C (176°F).

0.5V

Ground

*: These terminals are connected to the ECM. **: These terminals are connected to the Data link connector.

Revision: December 2006

AT-482

2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY
TROUBLE DIAGNOSIS FOR POWER SUPPLY Wiring Diagram -- AT -- MAIN

[RE4F04B]
PFP:00000
A
ECS0062X
B AT
D E
F G H I J K L M

Revision: December 2006

AT-483

BCWA0234E
2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/R

POWER SOURCE

IGNITION ON IGNITION OFF

BATTERY VOLTAGE APPROX. 0V

BR/R

POWER SOURCE

IGNITION ON IGNITION OFF

BATTERY VOLTAGE APPROX. 0V

GROUND

R/B

POWER SOURCE (MEMORY BACKUP)

IGNITION ON IGNITION OFF

BATTERY VOLTAGE BATTERY VOLTAGE

GROUND

Diagnostic Procedure

ECS0062Y

1. CHECK TCM POWER SOURCE STEP 1
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM terminals 10 (BR/R), 19 (BR/R), 28 (R/B) and ground.

OK or NG OK >> GO TO 2. NG >> GO TO 3.
2. CHECK TCM POWER SOURCE STEP 2

SAT611J

1. Turn ignition switch to OFF position. 2. Check voltage between TCM terminal 28 (R/B) and ground.

OK or NG OK >> GO TO 4. NG >> GO TO 3.
Revision: December 2006

AT-484

WCIA0043E
2006 Sentra

TROUBLE DIAGNOSIS FOR POWER SUPPLY

[RE4F04B]

3. DETECT MALFUNCTIONING ITEM A

Check the following items:

G Harness for short or open between ignition switch and TCM terminals 10, 19 and 28 (Main harness)

G Fuse

G Ignition switch

Refer to PG-3, "POWER SUPPLY ROUTING" .

OK or NG

OK >> GO TO 4.
NG >> Repair or replace damaged parts. D
4. CHECK TCM GROUND CIRCUIT

1. Turn ignition switch to OFF position.

2. Disconnect TCM harness connector.

3. Check continuity between TCM terminals 25, 48 and ground. Refer to AT-483, "Wiring Diagram -- AT --

MAIN" .

Continuity should exist.

OK or NG G
OK >> INSPECTION END NG >> Repair open circuit or short to ground or short to power in harness or connectors.

Revision: December 2006

AT-485

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH
DTC P0705 PARK/NEUTRAL POSITION SWITCH Description
G The park/neutral position (PNP) switch includes a transmission range switch.
G The transmission range switch detects the selector lever position and sends a signal to the TCM.

[RE4F04B]
PFP:32006
ECS0062Z

WCIA0066E

On Board Diagnosis Logic

ECS00630

Diagnostic trouble code PNP SW/CIRC with CONSULT-II or P0705 without CONSULT-II is detected when TCM does not receive the correct voltage signal from the switch based on the gear position.

Possible Cause

ECS00631

Check the following items. G Harness or connectors
(The park/neutral position (PNP) switch circuit is open or shorted.)
G Park/neutral position (PNP) switch

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00632

CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II 1. Turn ignition switch ON.

2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

BCIA0030E

Revision: December 2006

AT-486

BCIA0031E
2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH
3. Start engine and maintain the following conditions for at least 5 consecutive seconds. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: More than 1.3V Selector lever: D position (O/D ON or OFF)
WITH GST Follow the procedure "With CONSULT-II".

[RE4F04B]
A B AT

Revision: December 2006

AT-487

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH Wiring Diagram -- AT -- PNP/SW

[RE4F04B]
ECS00633

Revision: December 2006

AT-488

WCWA0129E
2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/Y

PNP SWITCH 1 POSITION

IGNITION ON AND SELECTOR LEVER IN 1 POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

PNP SWITCH 2 POSITION

IGNITION ON AND SELECTOR LEVER IN 2 POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

W/G

PNP SWITCH D POSITION

G/Y

PNP SWITCH R POSITION

IGNITION ON AND SELECTOR LEVER IN D POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

IGNITION ON AND SELECTOR LEVER IN R POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

PNP SWITCH P OR N POSITION

IGNITION ON AND SELECTOR LEVER IN P OR N POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

Diagnostic Procedure

ECS00634

1. INSPECTION START
Do you have CONSULT-II? Yes or No
Yes >> GO TO 2. No >> GO TO 6.
2. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (WITH CONSULT-II)
With CONSULT-II 1. Turn ignition switch to ON position.
(Do not start engine.) 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for
"A/T" with CONSULT-II. 3. Read out P, R, N, D, 2 and 1 position switches moving selector
lever to each position. Check that the signal of the selector lever position is indicated properly. OK or NG OK >> GO TO 7. NG >> GO TO 3.

I J K L M
SAT701J

Revision: December 2006

AT-489

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH
3. DETECT MALFUNCTIONING ITEM
Check the following item: G Park/neutral position (PNP) switch
Check continuity between park/neutral position (PNP) switch F29 terminals 1 (G/OR) and 2 (B) and between terminals 3 (Y) and 4 (BR/Y), 5 (B/R), 6 (W/G), 7 (G), 8 (G/Y) and 9 (W/L) while moving manual shaft through each position.

[RE4F04B]

Lever position

Terminal No.

3 - 7

1 - 2

3 - 8

3 - 9

1 - 2

3 - 6

3 - 5

3 - 4

OK or NG
OK >> GO TO 5. NG >> GO TO 4.

4. CHECK MANUAL CONTROL CABLE ADJUSTMENT

WCIA0096E

Check PNP switch again with manual control cable disconnected from manual shaft of A/T assembly. Refer to test group 1. OK or NG
OK >> Adjust manual control cable. Refer to AT-641, "Control Cable Adjustment" . NG >> Repair or replace PNP switch.
5. DETECT MALFUNCTIONING ITEM

Check the following items: G Harness for short or open between ignition switch and park/neutral position (PNP) switch (Main harness) G Harness for short or open between park/neutral position (PNP) switch and TCM (Main harness) G Fuse G Ignition switch
Refer to PG-3, "POWER SUPPLY ROUTING" . OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-490

2006 Sentra

DTC P0705 PARK/NEUTRAL POSITION SWITCH

[RE4F04B]

6. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (WITHOUT CONSULT-II) A

Without CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.) B
2. Check voltage between TCM terminals 26 (BR/Y), 27 (B/R), 34 (W/G), 35 (G/Y), 36 (LG) and ground while moving selector lever through each position.

OK or NG OK >> GO TO 7. NG >> GO TO 5.
7. CHECK DTC

SAT840J

Perform AT-486, "Diagnostic Trouble Code (DTC) Confirmation Procedure" .

OK or NG

OK >> INSPECTION END

NG >> GO TO 8.

8. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-491

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT

PFP:31940

Description

ECS00635

The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.

SAT283HB

SAT021J

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification (Approximately)

A/T fluid temperature sensor

Cold [20°C (68°F)]
Hot [80°C (176°F)]

1.5V
0.5V

2.5 k
0.3 k

On Board Diagnosis Logic

ECS00636

Diagnostic trouble code ATF TEMP SEN/CIRC with CONSULT-II or P0710 without CONSULT-II is detected when TCM receives an excessively low or high voltage from the sensor.

Possible Cause

ECS00637

Check the following items.
G Harness or connectors (The sensor circuit is open or shorted.)
G A/T fluid temperature sensor

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00638

Revision: December 2006

AT-492

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for

"ENGINE" with CONSULT-II.

D
BCIA0030E
E

BCIA0031E
H 2. Start engine and maintain the following conditions for at least 10 minutes (Total). (It is not necessary to

maintain continuously.)

CMPS·RPM (REF): 450 rpm or more

VHCL SPEED SE: 10 km/h (6 MPH) or more

THRTL POS SEN: More than 1.2V

Selector lever: D position (O/D ON)

WITH GST

Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-493

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]

Wiring Diagram -- AT -- FTS

ECS00639

Revision: December 2006

AT-494

BCWA0249E
2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

B/W

SENSOR GROUND

A/T FLUID TEMPERATURE SENSOR

Diagnostic Procedure

IGNITION ON AND ATF TEMPERATURE IS 20°C (68°F)

APPROX. 1.5V

IGNITION ON AND ATF TEMPERATURE IS 80°C (176°F)

APPROX. 0.5V

B
AT
ECS0063A

1. INSPECTION START

Do you have CONSULT-II?

Yes or No

Yes >> GO TO 2.

No >> GO TO 6.

2. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)

With CONSULT-II G
1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "FLUID TEMP SE".

Voltage :Cold [20°C (68°F)] Hot [80°C (176°F)] :Approximately 1.5V 0.5V
OK or NG OK >> GO TO 7. NG >> GO TO 3.

K
SAT614J
L
M

Revision: December 2006

AT-495

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]
3. CHECK A/T FLUID TEMPERATURE SENSOR WITH TERMINAL CORD ASSEMBLY
1. Turn ignition switch to OFF position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal cord assembly F30 terminals 6 and 7 (component side) when A/T is
cold.

4. Reinstall any part removed. OK or NG
OK >> GO TO 4. NG >> GO TO 5.
4. DETECT MALFUNCTIONING ITEM

WCIA0007E

Check the following items: G Harness for short to ground or short to power or open between TCM, ECM and terminal cord assembly
(Main harness) G Ground circuit for ECM
Refer to AT-483, "TROUBLE DIAGNOSIS FOR POWER SUPPLY" . OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM

1. Remove oil pan.
2. Check the following items:
A/T fluid temperature sensor Check resistance between two terminals while changing temperature as shown in figure.

Temperature

Resistance (Approx.)

20°C (68°F)

2.5k

80°C (176°F)

0.3k

Harness of terminal cord assembly for short or open OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

SAT298F

Revision: December 2006

AT-496

2006 Sentra

DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
[RE4F04B]

6. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II) A

Without CONSULT-II
1. Start engine. B
2. Check voltage between TCM connector F57 terminal 47 (BR) and ground while warming up A/T.

Voltage :Cold [20°C (68°F)] Hot [80°C (176°F)]

:Approximately 1.5V 0.5V

OK or NG

OK >> GO TO 7.

NG >> GO TO 3.

7. CHECK DTC
Perform AT-492, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 8.
8. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

E
WCIA0049E
F G H
I J

Revision: December 2006

AT-497

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F04B]

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)

PFP:32702

Description

ECS0063B

The revolution sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. The pulse signal is sent to the TCM which converts it into vehicle speed.

LCIA0070E

On Board Diagnosis Logic

ECS0063C

Diagnostic trouble code VEH SPD SEN/CIR AT with CONSULT-II or P0720 without CONSULT-II is detected when TCM does not receive the proper voltage signal from the sensor.

Possible Cause

ECS0063D

Check the following items. G Harness or connectors
(The sensor circuit is open or shorted.)
G Revolution sensor

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0063E

CAUTION: G Always drive vehicle at a safe speed.
G Be careful not to rev engine into the red zone on the tachometer.
NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II
1. Turn ignition switch ON and select "DATA MONITOR" mode for "A/T" with CONSULT-II.

BCIA0030E

Revision: December 2006

AT-498

BCIA0031E
2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F04B]

2. Drive vehicle and check for an increase of "VHCL/S SE·MTR" value.

If the check result is NG, go to AT-501, "Diagnostic Procedure" .

If the check result is OK, go to following step.

3. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

D
BCIA0030E
E

BCIA0031E

4. Start engine and maintain the following conditions for at least 5 consecutive seconds.

VHCL SPEED SE: 30 km/h (19 MPH) or more

THRTL POS SEN: More than 1.2V

Selector lever: D position (O/D ON)

Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving J conditions required for this test.

If the check result is NG, go to AT-501, "Diagnostic Procedure" .

If the check result is OK, go to following step.

5. Maintain the following conditions for at least 5 consecutive seconds.

CMPS·RPM (REF): 3,500 rpm or more

THRTL POS SEN: More than 1.2V

Selector lever: D position (O/D ON)

Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving

conditions required for this test.

WITH GST

Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-499

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F04B]

Wiring Diagram -- AT -- VSSA/T

ECS0063F

Revision: December 2006

AT-500

BCWA0241E
2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F04B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/R

POWER SOURCE

IGNITION OFF IGNITION ON

APPROX. 0V BATTERY VOLTAGE

VEHICLE MOVING AT 20 KM/H

(12 MPH).

USE THE CONSULT-II PULSE

FREQUENCY MEASURING

FUNCTION. A CIRCUIT TESTER

CANNOT BE USED TO TEST

450 HZ

REVOLUTION SENSOR

THIS ITEM.

CAUTION: CONNECT THE DIAG-

NOSIS DATA LINK CABLE TO

THE VEHICLE DIAGNOSIS CON-

NECTOR.

VEHICLE NOT MOVING.

LESS THAN 1.3V OR GREATER THAN 4.5V

B/W

SENSOR GROUND

Diagnostic Procedure

--
F
ECS0063G

1. CHECK INPUT SIGNAL (WITH CONSULT-II)

With CONSULT-II

1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "VHCL/S SE·A/T" while driving.

Check the value changes according to driving speed.

OK or NG
OK >> GO TO 3. NG >> GO TO 2.

L
SAT614J
M

Revision: December 2006

AT-501

2006 Sentra

DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)
[RE4F04B]
2. CHECK REVOLUTION SENSOR (WITH CONSULT-II)
With CONSULT-II 1. Start engine.

G Harness for short or open between TCM, ECM and revolution sensor G Harness for short or open between ignition switch and revolution sensor OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.
3. CHECK DTC
Perform AT-498, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 4.
4. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

MTBL0594

Revision: December 2006

AT-502

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL

[RE4F04B]

DTC P0725 ENGINE SPEED SIGNAL Description

PFP:24825
A
ECS0063H

The engine speed signal is sent from the ECM to the TCM.
On Board Diagnosis Logic

B
ECS0063I

Diagnostic trouble code ENGINE SPEED SIG with CONSULT-II or P0725 without CONSULT-II is detected

when TCM does not receive the proper voltage signal from ECM.

Possible Cause

ECS0063J

Check harness or connectors. (The sensor circuit is open or shorted.)
Diagnostic Trouble Code (DTC) Confirmation Procedure

D
ECS0063K

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at

least 10 seconds before conducting the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for

"ENGINE" with CONSULT-II.

J
BCIA0030E
K

2. Start engine and maintain the following conditions for at least 10 consecutive seconds. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: More than 1.2V Selector lever: D position (O/D ON)
WITH GST
Follow the procedure "With CONSULT-II".

M
BCIA0031E

Revision: December 2006

AT-503

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL Wiring Diagram -- AT -- ENGSS

[RE4F04B]
ECS0063L

Revision: December 2006

AT-504

WCWA0132E
2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WITH ENGINE RUNNING AT IDLE SPEED

APPROX. 0.6V

L/OR

ENGINE SPEED SIGNAL

WITH ENGINE RUNNING AT 3,000 RPM

APPROX. 2.2V

Diagnostic Procedure

ECS0063M
AT

1. CHECK DTC WITH ECM

D G Check P code with CONSULT-II "ENGINE".

Turn ignition switch ON and select "SELF-DIAGNOSTIC RESULTS" mode for "ENGINE" with CONSULT-

II.

Refer to EC-655, "Malfunction Indicator Lamp (MIL)" .

OK or NG

OK (with CONSULT-II)>>GO TO 2.

OK (without CONSULT-II)>>GO TO 4.

NG >> Check ignition signal circuit for engine control. Refer to EC-1184, "IGNITION SIGNAL" .

2. CHECK INPUT SIGNAL (WITH CONSULT-II)

With CONSULT-II

1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "ENGINE SPEED".

Check engine speed changes according to throttle position.

OK or NG

OK >> GO TO 6.

NG >> GO TO 3.

3. DETECT MALFUNCTIONING ITEM
Check the following items: G Harness for short or open between TCM and ECM G Resistor and ignition coil
Refer to EC-1184, "IGNITION SIGNAL" . OK or NG
OK >> GO TO 6. NG >> Repair or replace damaged parts.

SAT645J

Revision: December 2006

AT-505

2006 Sentra

DTC P0725 ENGINE SPEED SIGNAL
4. CHECK INPUT SIGNAL (WITHOUT CONSULT-II)
Without CONSULT-II 1. Start engine. 2. Check voltage between TCM connector F57 terminal 39 (L/OR)
and ground.
Voltage :0.6 (Idle speed) - 2.2V (3,000 rpm) OK or NG
OK >> GO TO 6. NG >> GO TO 5.

[RE4F04B]

5. DETECT MALFUNCTIONING ITEM
Check the following items: G Harness for short or open between TCM and ECM G Resistor and ignition coil
Refer to EC-1184, "IGNITION SIGNAL" . OK or NG
OK >> GO TO 6. NG >> Repair or replace damaged parts.
6. CHECK DTC
Perform AT-503, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 7.
7. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

LCIA0099E

Revision: December 2006

AT-506

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

[RE4F04B]

DTC P0731 A/T 1ST GEAR FUNCTION Description

PFP:31940
A
ECS0063N

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis

malfunction.

G This malfunction is detected when the A/T does not shift into first gear position as instructed by the TCM.

This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such

as control valve sticking, improper solenoid valve operation, etc.

Gear position

Shift solenoid valve A Shift solenoid valve B

ON (Closed) ON (Closed)

OFF (Open) ON (Closed)

OFF (Open) OFF (Open)

ON (Closed)
D
OFF (Open)

On Board Diagnosis Logic

ECS0063O

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as E

follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from ECM

C: Gear ratio determined as gear position which TCM supposes

If the actual gear position is higher than the position (1st) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

This malfunction will be caused when either shift solenoid valve A is stuck open or shift solenoid valve B is

stuck open.

Gear positions supposed by TCM are as follows.

In case of gear position with no malfunctions: 1 , 2, 3 and 4 positions

In case of gear position with shift solenoid valve A stuck open: 2* , 2, 3 and 3 positions

In case of gear position with shift solenoid valve B stuck open: 4* , 3, 3 and 4 positions to each gear position above

*: P0731 is detected.

Diagnostic trouble code A/T 1ST GR FNCTN with CONSULT-II or P0731 without CONSULT-II is detected

when A/T cannot be shifted to the 1st gear position even if electrical circuit is good.

Possible Cause

ECS0063P

Check the following items.

G Shift solenoid valve A

G Shift solenoid valve B

G Each clutch

G Hydraulic control circuit

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0063Q

CAUTION: G Always drive vehicle at a safe speed.

G Be careful not to rev engine into the red zone on the tachometer.

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. TESTING CONDITION: Always drive vehicle on a level road to improve the accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

Revision: December 2006

AT-507

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION
WITH CONSULT-II 1. Start engine and select "DATA MONITOR" mode for "A/T" with
CONSULT-II. 2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid). 3. Select "1ST GR FNCTN P0731" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

[RE4F04B]
BCIA0030E

4. Accelerate vehicle to 20 to 25 km/h (12 to 16 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 1.0/8 (at all times during step 4) Selector lever: D position (O/D ON)

Check that "GEAR" shows "2" after releasing pedal.

5. Depress accelerator pedal to WOT (more than 7.0/8 of "THROTTLE POSI") quickly from a speed of 20 to 25 km/h (12 to 16 MPH) until "TESTING" changes to "STOP VEHICLE" or "COMPLETED". (It will take approximately 3 seconds.) If the check result NG appears on CONSULT-II screen, go to AT510, "Diagnostic Procedure" . If "STOP VEHICLE" appears on CONSULT-II screen, go to the following step.

BCIA0031E

Check that "GEAR" shows "1" when depressing accelerator pedal to WOT.

If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS" for "ENGINE". In case a 1st trip DTC other than P0731 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".

6. Stop vehicle.

7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists.

1 2 3 4

Malfunction for P0731 exists.

2 2 3 3 4 3 3 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".) Refer to AT-510, "Diagnostic Procedure" . Refer to AT-746, "Shift Schedule" .

WITH GST Follow the procedure "With CONSULT-II".

SAT021J

Revision: December 2006

AT-508

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION Wiring Diagram -- AT -- 1ST

[RE4F04B]
ECS0063R
A B AT D E F G H I J K L M

Revision: December 2006

AT-509

WCWA0021E
2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SHIFT SOLENOID VALVE

A IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D4)

L/W

SHIFT SOLENOID VALVE A

WHEN SHIFT SOLENOID VALVE

A IS NOT OPERATING (DRIVING APPROX. 0V

IN D2 OR D3)

WHEN SHIFT SOLENOID VALVE

B IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D2)

L/Y

SHIFT SOLENOID VALVE B

WHEN SHIFT SOLENOID VALVE

B IS NOT OPERATING (DRIVING APPROX. 0V

IN D3 OR D4)

Diagnostic Procedure

ECS0063S

1. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Shift solenoid valve A Shift solenoid valve B 2. Check resistance between terminal cord assembly F30 terminals 1 and 2, and ground.

OK or NG
OK >> GO TO 2. NG >> Repair or replace damaged parts.

WCIA0028E

Revision: December 2006

AT-510

2006 Sentra

DTC P0731 A/T 1ST GEAR FUNCTION

[RE4F04B]

2. CHECK VALVE OPERATION A

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

Shift solenoid valve A

Shift solenoid valve B

2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid. AT

OK or NG OK >> GO TO 3. NG >> Repair or replace shift solenoid valve assembly.
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own
weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and
fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 4. NG >> Repair control valve assembly.
4. CHECK DTC
Perform AT-507, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

F
WCIA0029E
G H I J K
SAT367H
L M

Revision: December 2006

AT-511

2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION

[RE4F04B]

DTC P0732 A/T 2ND GEAR FUNCTION

PFP:31940

Description

ECS0063T

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis malfunction.
G This malfunction is detected when the A/T does not shift into second gear position as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.

Gear position

Shift solenoid valve A

ON (Closed)

OFF (Open)

ON (Closed)

Shift solenoid valve B

ON (Closed)

OFF (Open)

On Board Diagnosis Logic

ECS0063U

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes If the actual gear position is higher than the position (2nd) supposed by TCM, the slip ratio will be more than normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction. This malfunction will be caused when shift solenoid valve B is stuck open. Gear positions supposed by TCM are as follows. In case of gear position with no malfunctions: 1, 2 , 3 and 4 positions In case of gear position with shift solenoid valve B stuck open: 4, 3* , 3 and 4 positions to each gear position above *: P0732 is detected. Diagnostic trouble code A/T 2ND GR FNCTN with CONSULT-II or P0732 without CONSULT-II is detected when A/T cannot be shifted to the 2nd gear position even if electrical circuit is good.

Possible Cause

ECS0063V

Check the following items. G Shift solenoid valve B G Each clutch G Hydraulic control circuit

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0063W

CAUTION: G Always drive vehicle at a safe speed.
G Be careful not to rev engine into the red zone on the tachometer.
NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. TESTING CONDITION: Always drive vehicle on a level road to improve the accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

Revision: December 2006

AT-512

2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION
WITH CONSULT-II 1. Start engine and select "DATA MONITOR" mode for "A/T" with
CONSULT-II. 2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid). 3. Select "2ND GR FNCTN P0732" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

[RE4F04B]
A B AT D
BCIA0030E

4. Accelerate vehicle to 63 to 68 km/h (39 to 42 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 1.0/8 Selector lever: D position (O/D ON)
Check that "GEAR" shows "3" or "4" after releasing pedal.
5. Depress accelerator pedal to WOT (more than 7.0/8 of "THROTTLE POSI") quickly from a speed of 63 to 68 km/h (39 to 42 MPH) until "TESTING" changes to "STOP VEHICLE" or "COMPLETE". (It will take approximately 3 seconds.) If the check result NG appears on CONSULT-II screen, go to AT515, "Diagnostic Procedure" . If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.
Check that "GEAR" shows "2" when depressing accelerator pedal to WOT.
If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS" for "ENGINE". In case a 1st trip DTC other than P0732 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

E
F
G
BCIA0031E
H
I
J
K
SAT021J

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists

1 2 3 4

Malfunction for P0732 exists.

4 3 3 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".) Refer to AT-515, "Diagnostic Procedure" . Refer to AT-746, "Shift Schedule" .

WITH GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-513

2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION Wiring Diagram -- AT -- 2ND

[RE4F04B]
ECS0063X

Revision: December 2006

AT-514

WCWA0022E
2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SHIFT SOLENOID VALVE

B IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D2)

L/Y

SHIFT SOLENOID VALVE B

WHEN SHIFT SOLENOID VALVE

B IS NOT OPERATING (DRIVING APPROX. 0V

IN D3 OR D4)

Diagnostic Procedure

A
B
AT
ECS0063Y

1. CHECK VALVE RESISTANCE

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

Shift solenoid valve B

2. Check resistance between terminal cord assembly F30 terminal 1 and ground.

OK or NG OK >> GO TO 2. NG >> Repair or replace shift solenoid valve assembly.
2. CHECK VALVE OPERATION

WCIA0026E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

Shift solenoid valve B

2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the

solenoid.

OK or NG
OK >> GO TO 3. NG >> Repair or replace shift solenoid valve assembly.

Revision: December 2006

AT-515

WCIA0027E
2006 Sentra

DTC P0732 A/T 2ND GEAR FUNCTION
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own
weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and
fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 4. NG >> Repair control valve assembly.
4. CHECK DTC
Perform AT-512, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

[RE4F04B]
SAT367H

Revision: December 2006

AT-516

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION

[RE4F04B]

DTC P0733 A/T 3RD GEAR FUNCTION Description

PFP:31940
A
ECS0063Z

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis

malfunction.

G This malfunction is detected when the A/T does not shift into third gear position as instructed by the TCM.

This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such

as control valve sticking, improper solenoid valve operation, malfunctioning servo piston or brake band, AT etc.

Gear position Shift solenoid valve A

1 ON (Closed)

2 OFF (Open)

3 OFF (Open)

ON (Closed)

Shift solenoid valve B

ON (Closed)

OFF (Open)

On Board Diagnosis Logic

ECS00640

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as

follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from ECM

C: Gear ratio determined as gear position which TCM supposes If the actual gear position is higher than the position (3rd) supposed by TCM, the slip ratio will be more than

normal. In case the ratio exceeds the specified value, TCM judges this diagnosis malfunction.

This malfunction will be caused when shift solenoid valve A is stuck closed.

Gear positions supposed by TCM are as follows.

In case of gear position with no malfunctions: 1, 2, 3 and 4 positions

In case of gear position with shift solenoid valve A stuck closed: 1, 1, 4* and 4 positions to each gear position

above *: P0733 is detected.

Diagnostic trouble code A/T 3RD GR FNCTN with CONSULT-II or P0733 without CONSULT-II is detected

when A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.

Possible Cause

J
ECS00641

Check the following items. G Shift solenoid valve A G Each clutch G Hydraulic control circuit
Diagnostic Trouble Code (DTC) Confirmation Procedure

K
L
ECS00642

CAUTION:

G Always drive vehicle at a safe speed.

G Be careful not to rev engine into the red zone on the tachometer.

Revision: December 2006

AT-517

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION
WITH CONSULT-II 1. Start engine and select "DATA MONITOR" mode for "A/T" with
CONSULT-II. 2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid). 3. Select "3RD GR FNCTN P0733" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

[RE4F04B]
BCIA0030E

4. Accelerate vehicle to 80 to 95 km/h (50 to 59 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 1.0/8 (at all times during step 4) Selector lever: D position (OD "ON")
Check that "GEAR" shows "4" after releasing pedal.
5. Depress accelerator pedal steadily with 3.5/8 - 4.5/8 of "THROTTLE POSI" from a speed of 80 to 95 km/h (50 to 59 MPH) until "TESTING" changes to "STOP VEHICLE" or "COMPLETED". (It will take approximately 3 seconds.) If the check result NG appears on CONSULT-II screen, go to AT520, "Diagnostic Procedure" . If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.
Check that "GEAR" shows "3" when depressing accelerator pedal with 3.5/8 - 4.5/8 of "THROTTLE POSI".
If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS" for "ENGINE". In case a 1st trip DTC other than P0733 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

BCIA0031E SAT021J

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists.

1 2 3 4

Malfunction for P0733 exists.

1 1 4 4

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".) Refer to AT-520, "Diagnostic Procedure" . Refer to AT-746, "Shift Schedule" .

WITH GST Follow the procedure "With CONSULT-II".

Revision: December 2006

AT-518

2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION Wiring Diagram -- AT -- 3RD

[RE4F04B]
ECS00643
A B AT D E F G H I J K L M

Revision: December 2006

AT-519

WCWA0023E
2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SHIFT SOLENOID VALVE

A IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D4)

L/W

SHIFT SOLENOID VALVE A

WHEN SHIFT SOLENOID VALVE

A IS NOT OPERATING (DRIVING APPROX. 0V

IN D2 OR D3)

Diagnostic Procedure

ECS00644

1. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Shift solenoid valve A 2. Check resistance between terminal cord assembly F30 terminal 2 and ground.

OK or NG OK >> GO TO 2. NG >> Repair or replace shift solenoid valve assembly.
2. CHECK VALVE OPERATION

WCIA0030E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .
Shift solenoid valve A 2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

OK or NG
OK >> GO TO 3. NG >> Repair or replace shift solenoid valve assembly.

Revision: December 2006

AT-520

WCIA0031E
2006 Sentra

DTC P0733 A/T 3RD GEAR FUNCTION
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own
weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and
fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 4. NG >> Repair control valve assembly.
4. CHECK DTC
Perform AT-517, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> Check transaxle internal components (clutch, brake, etc.).

[RE4F04B]
A B AT D
SAT367H
E F G H I J K L M

Revision: December 2006

AT-521

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F04B]

DTC P0734 A/T 4TH GEAR FUNCTION

PFP:31940

Description

ECS00645

G This malfunction will not be detected while the O/D OFF indicator lamp is indicating another self-diagnosis malfunction.
G This malfunction is detected when the A/T does not shift into fourth gear position as instructed by the TCM, or if the line pressure is low. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, malfunctioning oil pump or torque converter clutch, etc.

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Specification

Torque converter clutch solenoid valve duty

Lock-up OFF
Lock-up ON

Approximately 4%
Approximately 94%

Line pressure solenoid valve duty

Small throttle opening (Low line pressure)
Large throttle opening (High line pressure)

Approximately 24%
Approximately 95%

On Board Diagnosis Logic

ECS00646

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes If the actual gear position is much lower than the position (4th) supposed by TCM, the slip ratio will be much less than normal. In case the ratio does not reach the specified value, TCM judges this diagnosis malfunction. This malfunction will be caused when shift solenoid valve B is stuck closed. Gear positions supposed by TCM are as follows. In case of gear position with no malfunctions: 1, 2, 3 and 4 positions In case of gear position with shift solenoid valve B stuck closed: 1, 2, 2 and 1* positions to each gear position above *: P0734 is detected. Diagnostic trouble code A/T 4TH GR FNCTN with CONSULT-II or P0734 without CONSULT-II is detected when A/T cannot be shifted to the 4th gear position even if electrical circuit is good.

Possible Cause

ECS00647

Check the following items. G Shift solenoid valve A G Shift solenoid valve B G Line pressure solenoid valve G Each clutch G Hydraulic control circuit

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00648

CAUTION: G Always drive vehicle at a safe speed.
G If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch OFF and wait at least 10 seconds before continuing.
G Be careful not to rev engine into the red zone on the tachometer.

Revision: December 2006

AT-522

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F04B]

NOTE:

If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at A

least 10 seconds before conducting the next test.

TESTING CONDITION:

Always drive vehicle on a level road to improve the accuracy of test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II
1. Start engine and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Make sure that output voltage of A/T fluid temperature sensor is within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).
3. Select "4TH GR FNCTN P0734" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

BCIA0030E

4. Accelerate vehicle to 60 to 70 km/h (37 to 43 MPH) under the following condition and release the accelerator pedal completely. THROTTLE POSI: Less than 5.5/8 (at all times during step 4) Selector lever: D position (O/D ON)
Check that "GEAR" shows "3" after releasing pedal.
5. Depress accelerator pedal steadily with 1.0/8 - 2.0/8 of "THROTTLE POSI" from a speed of 60 to 70 km/h (37 to 43 MPH) until "TESTING" has turned to "STOP VEHICLE" or "COMPLETED". (It will take approximately 3 seconds.) If the check result NG appears on CONSULT-II screen, go to AT525, "Diagnostic Procedure" . If "STOP VEHICLE" appears on CONSULT-II screen, go to following step.
Check that "GEAR" shows "4" when depressing accelerator pedal with 1.0/8 - 2.0/8 of "THROTTLE POSI".
If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS" for "ENGINE". In case a 1st trip DTC other than P0734 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC".
6. Stop vehicle.
7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)

G H I
BCIA0031E
J K L M

Vehicle condition

Gear on actual transmission shift pattern when screen is changed to 1 2 3 4

No malfunction exists

1 2 3 4

Malfunction for P0734 exists.

1 2 2 1

8. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE".) Refer to AT-525, "Diagnostic Procedure" . Refer to AT-746, "Shift Schedule" .

WITH GST Follow the procedure "With CONSULT-II".

SAT021J

Revision: December 2006

AT-523

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION Wiring Diagram -- AT -- 4TH

[RE4F04B]
ECS00649

Revision: December 2006

AT-524

BCWA0242E
2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

R/W

LINE PRESSURE SOLENOID VALVE

WHEN ACCELERATOR PEDAL IS RELEASED WHILE DRIVING

APPROX. 1.5 - 3.0V

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

WHEN ACCELERATOR PEDAL LINE PRESSURE SOLENOID IS RELEASED WHILE DRIVING

APPROX. 4 - 14V

P/B

VALVE (DROPPING RESIS-

TOR)

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

WHEN SHIFT SOLENOID VALVE

A IS OPERATING (DRIVING IN D1 BATTERY VOLTAGE

OR D4 )

L/W

SHIFT SOLENOID VALVE A

WHEN SHIFT SOLENOID VALVE

A IS NOT OPERATING (DRIVING APPROX. 0V

IN D2 OR D3 )

WHEN SHIFT SOLENOID VALVE

B IS OPERATING (DRIVING IN D1 BATTERY VOLTAGE

OR D2 )

L/Y

SHIFT SOLENOID VALVE B

WHEN SHIFT SOLENOID VALVE

BE IS NOT OPERATING (DRIV- APPROX. 0V

ING IN D3 OR D4 )

Diagnostic Procedure

ECS0064A
H

1. CHECK SHIFT UP (D3 TO D4 )

I During AT-461, "Cruise Test -- Part 1" , does A/T shift from D3 to D4 at the specified speed?

Yes or No

Yes >> GO TO 11.

No >> GO TO 2.

2. CHECK LINE PRESSURE

Perform line pressure test.

Engine Speed RPM
Idle Stall

Line Pressure kPa (kg/cm2 , psi)

D, 2 and 1 Position

R Position

500 (5.1, 73)

778 (7.9, 113)

1,223 (12.6, 179)

1,918 (19.6, 278)

Refer to AT-452, "Line Pressure Test" .
OK or NG OK >> GO TO 3. NG >> GO TO 7.

L
SAT988H
M

Revision: December 2006

AT-525

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION
3. CHECK VALVE RESISTANCE

[RE4F04B]

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Shift solenoid valve A Shift solenoid valve B 2. Check resistance between terminal cord assembly connector F30 terminals 1 and 2 and ground.

OK or NG OK >> GO TO 5. NG >> Replace solenoid valve assembly.
4. CHECK VALVE OPERATION

WCIA0028E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Shift solenoid valve A Shift solenoid valve B 2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

OK or NG
OK >> GO TO 5. NG >> Replace solenoid valve assembly.

WCIA0029E

Revision: December 2006

AT-526

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION

[RE4F04B]

5. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own
weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and
fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 6. NG >> Repair control valve.

A
B
AT
D
SAT367H
E

6. CHECK SHIFT UP (D3 TO D4 )

F Does A/T shift from D3 to D4 at the specified speed?

Yes or No

Yes >> GO TO 11.

No >> Check transaxle internal components (clutch, brake, etc.).

7. CHECK VALVE RESISTANCE H

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

Line pressure solenoid valves

2. Check resistance between the terminal cord assembly connector F30 terminal 4 and ground.

OK or NG
OK >> GO TO 9. NG >> Replace solenoid valve assembly.

L
WCIA0032E
M

Revision: December 2006

AT-527

2006 Sentra

DTC P0734 A/T 4TH GEAR FUNCTION
8. CHECK VALVE OPERATION

[RE4F04B]

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .
Line pressure solenoid valves 2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

OK or NG OK >> GO TO 9. NG >> Replace solenoid valve assembly.
9. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check line pressure circuit valves for sticking. Pressure regulator valve Pilot valve Pressure modifier valve OK or NG
OK >> GO TO 10. NG >> Repair control valve.
10. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 11. No >> Check transaxle internal components (clutch, brake, etc.).
11. CHECK DTC
Perform AT-522, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> Perform "Cruise test -- Part 1" again and return to the start point of this test group.

WCIA0033E SAT367H

Revision: December 2006

AT-528

2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F04B]

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE Description

PFP:31940
A
ECS0064B

The torque converter clutch solenoid valve is activated, with the gear

in D4 , by the TCM in response to signals sent from the vehicle

speed and the ECM (throttle opening). Lock-up piston operation will

then be controlled.

Lock-up operation, however, is prohibited when A/T fluid tempera-

ture is too low.

When the accelerator pedal is depressed (less than 2/8) in lock-up

condition, the engine speed should not change abruptly. If there is a

big jump in engine speed, there is no lock-up.

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Torque converter clutch solenoid valve duty

Lock-up OFF
Lock-up ON

Specification
Approximately 4%
Approximately 94%

SAT283HB
E
F

On Board Diagnosis Logic

G
ECS0064C

Diagnostic trouble code TCC SOLENOID/CIRC with CONSULT-II or P0740 without CONSULT-II is detected

when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Cause

ECS0064D

Check the following items. G Torque converter clutch solenoid valve G Harness or connectors
(The solenoid circuit is open or shorted.)
Diagnostic Trouble Code (DTC) Confirmation Procedure

I
J
ECS0064E

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at K least 10 seconds before conducting the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON.

BCIA0030E

Revision: December 2006

AT-529

2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F04B]
2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II and wait at least 1 second.

WITH GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-530

2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F04B]

Wiring Diagram -- AT -- TCV

ECS0064F
A

Revision: December 2006

AT-531

WCWA0133E
2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

Y/G

TORQUE CONVERTER CLUTCH SOLENOID VALVE

WITH TORQUE CONVERTER LOCK-UP
WITHOUT TORQUE CONVERTER LOCK-UP

APPROX. 8 - 15V APPROX. 0V

Diagnostic Procedure

ECS0064G

1. CHECK VALVE RESISTANCE
1. Turn ignition switch to OFF position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal cord assembly connector F30 terminal 5 and ground.

OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. CHECK VALVE OPERATION

WCIA0034E

1. Remove oil pan. 2. Check the following items: Torque converter clutch solenoid valve · Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

Harness of terminal cord assembly for short or open
OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-532

WCIA0035E
2006 Sentra

DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
[RE4F04B]
3. CHECK POWER SOURCE CIRCUIT A
1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector. 3. Check continuity between terminal cord assembly harness connector F30 terminal 5 and TCM harness B
connector F56 terminal 3. Refer to AT-531, "Wiring Diagram -- AT -- TCV" .

Continuity should exist.

4. Reinstall any part removed.

OK or NG

OK >> GO TO 4.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

4. CHECK DTC

Perform AT-529, "Diagnostic Trouble Code (DTC) Confirmation Procedure" .

OK or NG

OK >> INSPECTION END

NG >> GO TO 5.

5. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-533

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F04B]

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

PFP:31940

Description

ECS0064H

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.

Monitor item

Condition

Specification

Torque converter clutch solenoid valve duty

Lock-up OFF
Lock-up ON

Approximately 4%
Approximately 94%

On Board Diagnosis Logic

ECS0064I

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by TCM as follows: Torque converter slip ratio = A x C/B A: Output shaft revolution signal from revolution sensor B: Engine speed signal from ECM C: Gear ratio determined as gear position which TCM supposes If the actual gear position is much lower than the position (4th) supposed by TCM, the slip ratio will be much less than normal. In case the ratio does not reach the specified value, TCM judges this diagnosis malfunction. This malfunction will be caused when shift solenoid valve B is stuck closed. Gear positions supposed by TCM are as follows. In case of gear position with no malfunctions: 1, 2, 3 and 4 positions In case of gear position with shift solenoid valve B stuck closed: 1, 2, 2 and 1* positions to each gear position above *: P0744 is detected. Diagnostic trouble code A/T TCC S/V FNCTN with CONSULT-II or P0744 without CONSULT-II is detected when A/T cannot perform lock-up even if electrical circuit is good.

Possible Cause

ECS0064J

Check the following items. G Line pressure solenoid valve G Torque converter clutch solenoid valve G Each clutch G Hydraulic control circuit

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0064K

Revision: December 2006

AT-534

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
WITH CONSULT-II 1. Start engine and select "DATA MONITOR" mode for "A/T" with
CONSULT-II. 2. Make sure that output voltage of A/T fluid temperature sensor is
within the range below. FLUID TEMP SEN: 0.4 - 1.5V If out of range, drive vehicle to decrease voltage (warm up the fluid) or stop engine to increase voltage (cool down the fluid). 3. Select "TCC S/V FNCTN P0744" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".

[RE4F04B]
A B AT D
BCIA0030E

4. Accelerate vehicle to more than 70 km/h (43 MPH) and maintain

the following condition continuously until "TESTING" has turned

to "COMPLETE". (It will take approximately 30 seconds after

"TESTING" shows.)

THROTTLE POSI: 1.0/8 - 2.0/8 (at all times during step 4)

Selector lever: D position (O/D ON)

TCC S/V DUTY: More than 94%

VHCL/S SE·A/T: Constant speed of more than 70 km/h (43

MPH)

Check that "GEAR" shows "4".

For shift schedule, refer to AT-746, "Shift Schedule" . If "TESTING" does not appear on CONSULT-II for a long

BCIA0031E
H

time, select "SELF-DIAG RESULTS". In case a 1st trip DTC other than P0744 is shown, refer to

applicable "TROUBLE DIAGNOSIS FOR DTC".

5. Make sure that "OK" is displayed. (If "NG" is displayed, refer to

"DIAGNOSTIC PROCEDURE".)

Refer to AT-537, "Diagnostic Procedure" .

Refer to AT-746, "Shift Schedule" .

WITH GST Follow the procedure "With CONSULT-II".

L
SAT021J
M

Revision: December 2006

AT-535

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) Wiring Diagram -- AT -- TCCSIG

[RE4F04B]
ECS0064L

Revision: December 2006

AT-536

BCWA0243E
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

R/W

LINE PRESSURE SOLENOID VALVE

WHEN ACCELERATOR PEDAL IS RELEASED WHILE DRIVING

APPROX. 1.5 - 3.0V

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

WHEN ACCELERATOR PEDAL LINE PRESSURE SOLENOID IS RELEASED WHILE DRIVING

APPROX. 4 - 14V

P/B

VALVE (DROPPING RESIS-

TOR)

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

Y/G

TORQUE CONVERTER CLUTCH SOLENOID VALVE

Diagnostic Procedure

WITH TORQUE CONVERTER LOCK-UP
WITHOUT TORQUE CONVERTER LOCK-UP

APPROX. 8 - 15V APPROX. 0V

D
E
ECS0064M

1. CHECK SHIFT UP (D3 TO D4 )

During AT-461, "Cruise Test -- Part 1" , does A/T shift from D3 to D4

at the specified speed?

Yes or No

Yes >> GO TO 11. No >> GO TO 2.

2. CHECK LINE PRESSURE

Perform line pressure test.

Engine Speed RPM
Idle Stall

Line Pressure kPa (kg/cm2 , psi)

D, 2 and 1 Position

R Position

500 (5.1, 73)

778 (7.9, 113)

1,223 (12.6, 179)

1,918 (19.6, 278)

Refer to AT-452, "Line Pressure Test" .
OK or NG OK >> GO TO 3. NG >> GO TO 6.

SAT988H

Revision: December 2006

AT-537

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
3. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check to ensure that: Valve, sleeve and plug slide along valve bore under their own
weight. Valve, sleeve and plug are free from burrs, dents and scratches. Control valve springs are free from damage, deformation and
fatigue. Hydraulic line is free from obstacles. OK or NG
OK >> GO TO 4. NG >> Repair control valve.
4. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 5. No >> Check transaxle internal components (clutch, brake, etc.).
5. CHECK DTC
Perform AT-534, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 11. Check for proper lock-up.
6. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Line pressure solenoid valve 2. Check resistance to the terminal and ground.

[RE4F04B]
SAT367H

OK or NG
OK >> GO TO 8. NG >> Replace solenoid valve assembly.

Revision: December 2006

AT-538

WCIA0032E
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)

[RE4F04B]

7. CHECK VALVE OPERATION A
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .
Line pressure solenoid valve 2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the B
solenoid.

OK or NG OK >> GO TO 8. NG >> Replace solenoid valve assembly.
8. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check line pressure circuit valves for sticking. Pressure regulator valve Pilot valve Pressure modifier valve OK or NG
OK >> GO TO 9. NG >> Repair control valve.
9. CHECK SHIFT UP (D3 TO D4 )
Does A/T shift from D3 to D4 at the specified speed? Yes or No
Yes >> GO TO 10. No >> Check transaxle internal components (clutch, brake, etc.).
10. CHECK DTC
Perform AT-534, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 11. Check for proper lock-up.

E
WCIA0033E
F

G H

SAT367H

Revision: December 2006

AT-539

2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
11. CHECK LOCK-UP
During AT-461, "Cruise Test -- Part 1" , does A/T perform lock-up at the specified speed? Yes or No
Yes >> Perform "Cruise test -- Part 1" again and return to the start point of this test group.
No >> GO TO 12.

[RE4F04B]

12. CHECK VALVE RESISTANCE
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . Torque converter clutch solenoid valve 2. Check resistance between terminal cord assembly connector F30 terminal 5 and ground.

SAT989H

OK or NG OK >> GO TO 14. NG >> Replace solenoid valve assembly.
13. CHECK VALVE OPERATION

WCIA0036E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .
Torque converter clutch solenoid valve 2. Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

OK or NG
OK >> GO TO 14. NG >> Replace solenoid valve assembly.

Revision: December 2006

AT-540

WCIA0035E
2006 Sentra

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)
14. CHECK CONTROL VALVE
1. Disassemble control valve assembly. Refer to AT-673, "DISASSEMBLY" .
2. Check control valves for sticking. Torque converter clutch control valve Torque converter clutch relief valve OK or NG
OK >> GO TO 15. NG >> Repair control valve.
15. CHECK LOCK-UP

[RE4F04B]
A
B
AT
D
SAT367H
E

Does A/T perform lock-up at the specified speed?

Yes or No

Yes >> GO TO 16.

No >> Check transaxle internal components (clutch, brake, etc.).

16. CHECK DTC

Perform AT-534, "Diagnostic Trouble Code (DTC) Confirmation Procedure" .

OK or NG

OK >> INSPECTION END NG >> Perform "Cruise test -- Part 1" again and return to the start point of this test group.

Revision: December 2006

AT-541

2006 Sentra

[RE4F04B]
PFP:31940
ECS0064N

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification

SAT283HB

Line pressure solenoid valve duty

Small throttle opening (Low line pressure)
Large throttle opening (High line pressure)

Approximately 24%
Approximately 95%

On Board Diagnosis Logic

ECS0064O

Diagnostic trouble code L/PRESS SOL/CIRC with CONSULT-II or P0745 without CONSULT-II is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Cause

ECS0064P

Check the following items. G Harness or connectors
(The solenoid circuit is open or shorted.)
G Line pressure solenoid valve

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0064Q

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test. After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II
1. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

Revision: December 2006

AT-542

BCIA0030E
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE
2. Depress accelerator pedal completely and wait at least 5 seconds.
WITH GST Follow the procedure "With CONSULT-II".

[RE4F04B]
A B AT
BCIA0031E
D E F G H I J K L M

Revision: December 2006

AT-543

2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE Wiring Diagram -- AT -- LPSV

[RE4F04B]
ECS0064R

Revision: December 2006

AT-544

BCWA0244E
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

R/W

LINE PRESSURE SOLENOID VALVE

WHEN ACCELERATOR PEDAL IS RELEASED WHILE DRIVING

APPROX. 1.5 - 3.0V

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

WHEN ACCELERATOR PEDAL LINE PRESSURE SOLENOID IS RELEASED WHILE DRIVING

APPROX. 4 - 14V

P/B

VALVE (DROPPING RESIS-

TOR)

WHEN ACCELERATOR PEDAL IS DEPRESSED WHILE DRIVING

APPROX. 0V

Diagnostic Procedure

D
ECS0064S

1. CHECK VALVE RESISTANCE

1. Turn ignition switch to OFF position.

2. Disconnect terminal cord assembly connector in engine compartment.

3. Check resistance between terminal cord assembly connector F30 terminal 4 and ground.

OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. CHECK VALVE OPERATION

WCIA0037E
J
K

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Line pressure solenoid valve

Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the solenoid.

Harness of terminal cord assembly for short or open OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-545

WCIA0038E
2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

3. CHECK POWER SOURCE AND DROPPING RESISTOR CIRCUIT

1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector.
3. Check resistance between terminal cord assembly harness connector F30 terminal 4 and TCM harness connector F56 terminal 2.

Resistance

: Approximately 12

OK or NG
OK >> GO TO 5. NG >> GO TO 4.

[RE4F04B]

4. DETECT MALFUNCTIONING ITEM

Check the following items: G Dropping resistor G Check resistance between two terminals.

Resistance

: Approximately 12

G Harness for short or open between TCM terminal 2 and terminal cord assembly (Main harness)
OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.

WCIA0130E

5. CHECK POWER SOURCE CIRCUIT

WCIA0040E

1. Turn ignition switch to OFF position. 2. Check continuity between terminal cord assembly connector F30 terminal 4 and TCM harness connector
F56 terminal 1. Refer to AT-544, "Wiring Diagram -- AT -- LPSV" .
Continuity should exist.
3. Reinstall any part removed. OK or NG
OK >> GO TO 6. NG >> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK DTC

Perform AT-542, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 7.

Revision: December 2006

AT-546

2006 Sentra

DTC P0745 LINE PRESSURE SOLENOID VALVE

[RE4F04B]

7. CHECK TCM INSPECTION A

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END
NG >> Repair or replace damaged parts. AT

Revision: December 2006

AT-547

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A
DTC P0750 SHIFT SOLENOID VALVE A Description
Shift solenoid valves A and B are turned ON or OFF by the TCM in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and ECM (throttle opening). Gears will then be shifted to the optimum position.

[RE4F04B]
PFP:31940
ECS0064T

SAT283HB

Gear position

Shift solenoid valve A

ON (Closed)

OFF (Open)

ON (Closed)

Shift solenoid valve B

ON (Closed)

OFF (Open)

On Board Diagnosis Logic

ECS0064U

Diagnostic trouble code SFT SOL A/CIRC with CONSULT-II or P0750 without CONSULT-II is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Cause

ECS0064V

Check the following items.
G Harness or connectors (The solenoid circuit is open or shorted.)
G Shift solenoid valve A

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0064W

WITH CONSULT-II
1. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

BCIA0030E

Revision: December 2006

AT-548

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A
2. Start engine. 3. Drive vehicle in D position and allow the transmission to shift 1
2 ("GEAR").
WITH GST Follow the procedure "With CONSULT-II".

[RE4F04B]
A B AT
BCIA0031E
D E F G H I J K L M

Revision: December 2006

AT-549

2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A Wiring Diagram -- AT -- SSV/A

[RE4F04B]
ECS0064X

Revision: December 2006

AT-550

WCWA0028E
2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SHIFT SOLENOID VALVE

A IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D4)

L/W

SHIFT SOLENOID VALVE A

WHEN SHIFT SOLENOID VALVE

A IS NOT OPERATING (DRIVING APPROX. 0V

IN D2 OR D3)

Diagnostic Procedure

A
B
AT
ECS0064Y

1. CHECK VALVE RESISTANCE

1. Turn ignition switch to OFF position.

2. Disconnect terminal cord assembly connector in engine compartment.

3. Check resistance between terminal cord assembly connector F30 terminal 2 and ground.

OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. CHECK VALVE OPERATION

WCIA0041E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Shift solenoid valve A

Operation check

· Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the solenoid. M

Harness of terminal cord assembly for short or open
OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-551

WCIA0031E
2006 Sentra

DTC P0750 SHIFT SOLENOID VALVE A
3. CHECK POWER SOURCE CIRCUIT

[RE4F04B]

1. Turn ignition switch to OFF position. 2. Disconnect TCM harness connector. 3. Check continuity between terminal cord assembly harness connector F30 terminal 2 and TCM harness
connector F56 terminal 11. Refer to AT-550, "Wiring Diagram -- AT -- SSV/A" .
Continuity should exist.
4. Reinstall any part removed. OK or NG
OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK DTC

Perform AT-548, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 5.
5. CHECK TCM INSPECTION

Revision: December 2006

AT-552

2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B
DTC P0755 SHIFT SOLENOID VALVE B Description
Shift solenoid valves A and B are turned ON or OFF by the TCM in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and ECM (throttle opening). Gears will then be shifted to the optimum position.

[RE4F04B]
PFP:31940
A
ECS0064Z
B
AT

SAT283HB
E

Gear position

Shift solenoid valve A Shift solenoid valve B

ON (Closed) ON (Closed)

OFF (Open) ON (Closed)

OFF (Open) OFF (Open)

ON (Closed)

OFF (Open)

On Board Diagnosis Logic

ECS00650

Diagnostic trouble code SFT SOL B/CIRC with CONSULT-II or P0755 without CONSULT-II is detected when

TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Cause

ECS00651

Check the following items.

G Harness or connectors

(The solenoid circuit is open or shorted.)

G Shift solenoid valve B

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00652

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at

least 10 seconds before conducting the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for

"ENGINE" with CONSULT-II.

BCIA0030E

Revision: December 2006

AT-553

2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B
2. Start engine. 3. Drive vehicle in D position and allow the transmission to shift 1
2 3 ("GEAR").

[RE4F04B]

WITH GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-554

2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B Wiring Diagram -- AT -- SSV/B

[RE4F04B]
ECS00653
A B AT D E F G H I J K L M

Revision: December 2006

AT-555

WCWA0029E
2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN SHIFT SOLENOID VALVE

B IS OPERATING (DRIVING IN BATTERY VOLTAGE

D1 OR D2)

L/Y

SHIFT SOLENOID VALVE B

WHEN SHIFT SOLENOID VALVE

BE IS NOT OPERATING (DRIV- APPROX. OV

ING IN D3 OR D4)

Diagnostic Procedure

ECS00654

OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. CHECK VALVE OPERATION

WCIA0042E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift solenoid valve B Operation check · Check solenoid valve by listening for its operating sound while applying battery voltage and ground to the
solenoid.

Harness of terminal cord assembly for short or open
OK or NG OK >> GO TO 3. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-556

WCIA0027E
2006 Sentra

DTC P0755 SHIFT SOLENOID VALVE B

[RE4F04B]

3. CHECK POWER SOURCE CIRCUIT A
1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector. 3. Check continuity between terminal cord assembly harness connector F30 terminal 1 and TCM harness B
connector F56 terminal 12. Refer to AT-555, "Wiring Diagram -- AT -- SSV/B" .

Continuity should exist.

4. Reinstall any part removed.

OK or NG

OK >> GO TO 4.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

4. CHECK DTC

Perform AT-553, "Diagnostic Trouble Code (DTC) Confirmation Procedure" .

OK or NG

OK >> INSPECTION END

NG >> GO TO 5.

5. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-557

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F04B]

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION

(APP) SENSOR]

PFP:22560

Description

ECS00655

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification

Throttle position sensor [accelerator pedal position (APP) sensor]

Fully-closed throttle Fully-open throttle

Approximately 0.5V Approximately 4V

On Board Diagnosis Logic

ECS00656

Diagnostic trouble code TP SEN/CIRC A/T with CONSULT-II or P1705 without CONSULT-II is detected when TCM receives an excessively low or high voltage from the ECM.

Possible Cause

ECS00657

Check the following items.
G Harness or connectors (The sensor circuit is open or shorted.)

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00658

WITH CONSULT-II
1. Turn ignition switch ON and select "DATA MONITOR" mode for "A/T" with CONSULT-II.

Accelerator pedal condition
Fully released
Partially depressed
Fully depressed

THRTL POS SEN Less than 4.7V 0.1 - 4.6V 1.9 - 4.6V

CLOSED THL/SW ON OFF OFF

W/O THRL/P·SW OFF OFF ON

If the check result is NG, go to AT-561, "Diagnostic Procedure" . If the check result is OK, go to following step.
2. Turn ignition switch ON and select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
3. Start engine and maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely. VHCL SPEED SE: 10 km/h (6 MPH) or more THRTL POS SEN: Approximately 3V or less Selector lever: D position (O/D ON) If the check result is NG, go to AT-561, "Diagnostic Procedure" . If the check result is OK, go to following step.

BCIA0030E BCIA0031E

4. Maintain the following conditions for at least 3 consecutive seconds. Then release accelerator pedal completely.

Revision: December 2006

AT-558

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F04B]

VHCL SPEED SE: 10 km/h (6 MPH) or more

Accelerator pedal: Wide open throttle

Selector lever: D position (O/D ON)

D
BCIA0030E
E

WITH GST Follow the procedure "With CONSULT-II".

BCIA0031E

Revision: December 2006

AT-559

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F04B]

Wiring Diagram -- AT -- TPS

ECS00659

Revision: December 2006

AT-560

BCWA0250E
2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F04B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

IGNITION SWITCH ON

4.5 - 5.5V

SENSOR POWER

IGNITION SWITCH OFF

THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

IGNITION ON AND ACCELERATOR PEDAL IS DEPRESSED SLOWLY AFTER WARMING UP ENGINE

FULLY CLOSED THROTTLE:

0.5V

WIDE OPEN THROTTLE:

4.0V

B/W

SENSOR GROUND

Diagnostic Procedure

ECS0065A

1. CHECK DTC WITH ECM

G Check P code with CONSULT-II "ENGINE".

Turn ignition switch ON and select "SELF DIAGNOSTIC RESULTS" mode for "ENGINE" with CONSULT-

II.

Refer to EC-655, "Malfunction Indicator Lamp (MIL)" .

OK or NG

OK (with CONSULT-II)>>GO TO 2.

OK (without CONSULT-II)>>GO TO 3.

NG >> Check throttle position sensor [accelerator pedal position (APP) sensor] circuit for engine control.

Refer to EC-891, "DTC P0222, P0223 TP SENSOR" and EC-1132, "DTC P2138 APP SENSOR" H .

2. CHECK INPUT SIGNAL (WITH CONSULT-II) I

With CONSULT-II

1. Turn ignition switch to ON position.

(Do not start engine.)

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "THRTL POS SEN". K

Voltage: Fully-closed throttle

:Approximately 0.5V

SAT614J

Fully-open throttle

:Approximately 4V

OK or NG
OK >> GO TO 4. NG >> Check harness for short or open between ECM and TCM regarding throttle position sensor [accel-
erator pedal position (APP) sensor] circuit. (Main harness)

Revision: December 2006

AT-561

2006 Sentra

DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
[RE4F04B]
3. CHECK INPUT SIGNAL (WITHOUT CONSULT-II)

Without CONSULT-II 1. Turn ignition switch to ON position. (Do not start engine.) 2. Check voltage between TCM terminals 41 (GY) and 42 (B/W)
while accelerator pedal is depressed slowly.

Voltage:

Fully-closed throttle valve

:Approximately 0.5V

Fully-open throttle valve

:Approximately 4V

(Voltage rises gradually in response to throttle position.)

WCWA0085E

OK or NG OK >> GO TO 4. NG >> Check harness for short or open between ECM and TCM regarding throttle position sensor [accelerator pedal position (APP) sensor] circuit. (Main harness)
4. CHECK TCM INSPECTION

Revision: December 2006

AT-562

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE Description
The overrun clutch solenoid valve is activated by the TCM in response to signals sent from the park/neutral position (PNP) switch, overdrive control switch, vehicle speed and ECM (throttle opening). The overrun clutch operation will then be controlled.

[RE4F04B]
PFP:31940
A
ECS0065B
B
AT

On Board Diagnosis Logic

SAT283HB
E
ECS0065C

Diagnostic trouble code O/R CLTCH SOL/CIRC with CONSULT-II or P1760 without CONSULT-II is detected

when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Cause

ECS0065D

Check the following items. G Harness or connectors
(The solenoid circuit is open or shorted.) G Overrun clutch solenoid valve
Diagnostic Trouble Code (DTC) Confirmation Procedure

G
H
ECS0065E

CAUTION:

Always drive vehicle at a safe speed.

NOTE:

If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always

turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

TESTING CONDITION:

Always drive vehicle on a level road to improve accuracy of test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for

"ENGINE" with CONSULT-II.

2. Start engine.

3. Accelerate vehicle to a speed of more than 10 km/h (6 MPH)

with D position (O/D ON).

4. Release accelerator pedal completely with D position (O/D OFF).

BCIA0030E

Revision: December 2006

AT-563

BCIA0031E
2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
WITH GST Follow the procedure "With CONSULT-II".

[RE4F04B]

Revision: December 2006

AT-564

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE Wiring Diagram -- AT -- OVRCSV

[RE4F04B]
ECS0065F
A

Revision: December 2006

AT-565

WCWA0031E
2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

WHEN OVERRUN CLUTCH SOLENOID VALVE OPERATES

BATTERY VOLTAGE

L/B

OVERRUN CLUTCH SOLENOID VALVE

WHEN OVERRUN CLUTCH

SOLENOID VALVE DOES NOT APPROX. 0V

OPERATE

Diagnostic Procedure

ECS0065G

1. CHECK VALVE RESISTANCE

1. Turn ignition switch to OFF position. 2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal cord assembly F30 terminal 3 (component side) and ground.

Resistance
OK or NG OK >> GO TO 3. NG >> GO TO 2.

: 20 - 30

2. CHECK VALVE OPERATION
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Overrun clutch solenoid valve Operation check · Check solenoid valve by listening for its operating sound while
applying battery voltage and ground to the solenoid. Harness of terminal cord assembly for short or open OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.

LCIA0092E

3. CHECK POWER SOURCE CIRCUIT

LCIA0093E

1. Turn ignition switch to OFF position. 2. Disconnect TCM harness connector. 3. Check continuity between terminal cord assembly connector F30 terminal 3 and TCM harness connector
F56 terminal 20. Refer to AT-565, "Wiring Diagram -- AT -- OVRCSV" .
Continuity should exist.
4. Reinstall any part removed. OK or NG
OK >> GO TO 4. NG >> Repair open circuit or short to ground or short to power in harness or connectors.

Revision: December 2006

AT-566

2006 Sentra

DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
4. CHECK DTC
Perform AT-563, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 5.
5. CHECK TCM INSPECTION

[RE4F04B]
A B AT

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-567

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM

POWER SOURCE)

PFP:31940

Description

ECS0065H

The A/T fluid temperature sensor detects the A/T fluid temperature and sends a signal to the TCM.

SAT283HB

SAT021J

CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE

Remarks: Specification data are reference values.

Monitor item

Condition

Specification (Approximately)

A/T fluid temperature sensor

Cold [20°C (68°F)]
Hot [80°C (176°F)]

1.5V
0.5V

2.5 k
0.3 k

On Board Diagnosis Logic

ECS0065I

Diagnostic trouble code BATT/FLUID TEMP SEN with CONSULT-II or 8th judgement flicker without CONSULT-II is detected when TCM receives an excessively low or high voltage from the sensor.

Possible Cause

ECS0065J

Check the following items. G Harness or connectors
(The sensor circuit is open or shorted.)
G A/T fluid temperature sensor

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS0065K

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II 1. Start engine.

Revision: December 2006

AT-568

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]
2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II. A

3. Drive vehicle under the following conditions: Selector lever in D, vehicle speed higher than 20 km/h (12 MPH).

AT
BCIA0030E
D
E

WITHOUT CONSULT-II 1. Start engine.
2. Drive vehicle under the following conditions: Selector lever in D, vehicle speed higher than 20 km/h (12 MPH).
3. Perform self-diagnosis. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" .

G
BCIA0031E
H
I
J

L
SAT335HB
M

Revision: December 2006

AT-569

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]

Wiring Diagram -- AT -- BA/FTS

ECS0065L

Revision: December 2006

AT-570

BCWA0251E
2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]

TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/R

POWER SOURCE

BR/R

POWER SOURCE

IGNITION ON IGNITION OFF IGNITION ON IGNITION OFF

BATTERY VOLTAGE

APPROX. 0V

BATTERY VOLTAGE

APPROX. 0V

R/B

POWER SOURCE (MEMORY BACKUP)

IGNITION ON IGNITION OFF

BATTERY VOLTAGE

B/W

SENSOR GROUND

A/T FLUID TEMPERATURE SENSOR

IGNITION ON WITH ATF TEMPERATURE AT 20°C (68°F)
IGNITION ON WITH ATF TEMPERATURE AT 80°C (176°F)

APPROX. 1.5V APPROX. 0.5V

D E

Diagnostic Procedure

ECS0065M

F
1. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITH CONSULT-II)

With CONSULT-II

1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "FLUID TEMP SE".

Voltage :Cold [20°C (68°F)] Hot [80°C (176°F)] :Approximately 1.5V 0.5V
OK or NG OK >> GO TO 9. NG >> GO TO 2.
2. DETECT MALFUNCTIONING ITEM

SAT614J
L
M

Check the following items: G Harness for short or open between TCM, ECM and terminal cord assembly (Main harness) G Harness for short or open between battery and TCM (Main harness) G Ground circuit for ECM
Refer to EC-736, "POWER SUPPLY AND GROUND CIRCUIT" . OK or NG
OK >> GO TO 9. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-571

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]
3. CHECK TCM POWER SOURCE STEP 1
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.

OK or NG OK >> GO TO 4. NG >> GO TO 5.
4. CHECK TCM POWER SOURCE STEP 2

SAT611J

1. Turn ignition switch to OFF position. 2. Check voltage between TCM terminal 28 and ground.

OK or NG OK >> GO TO 6. NG >> GO TO 5.
5. DETECT MALFUNCTIONING ITEM
Check the following items: G Harness for short or open between ignition switch and TCM (Main harness) G Harness for short or open between battery and TCM (Main harness) G Ignition switch and fuse
Refer to PG-3, "POWER SUPPLY ROUTING" . OK or NG
OK >> GO TO 6. NG >> Repair or replace damaged parts.

WCIA0043E

Revision: December 2006

AT-572

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]
6. CHECK A/T FLUID TEMPERATURE SENSOR WITH TERMINAL CORD ASSEMBLY A 1. Turn ignition switch to OFF position. 2. Disconnect terminal cord assembly connector in engine compartment. 3. Check resistance between terminal cord assembly F30 terminals 6 and 7 (component side) when A/T is B
cold.
AT

4. Reinstall any part removed. OK or NG
OK (without CONSULT-II) >> GO TO 8. NG >> GO TO 7.
7. DETECT MALFUNCTIONING ITEM

1. Remove oil pan. 2. Check the following items: A/T fluid temperature sensor · Check resistance between two terminals while changing temper-
ature as shown.

Temperature 20°C (68°F) 80°C (176°F)

Resistance (Approx.) 2.5k 0.3k

Harness of terminal cord assembly for short or open OK or NG
OK (without CONSULT-II) >> GO TO 8. NG >> Repair or replace damaged parts.

E
LCIA0027E
F
G
H
I
J
K
L
SAT298F
M

Revision: December 2006

AT-573

2006 Sentra

DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER SOURCE)
[RE4F04B]
8. CHECK INPUT SIGNAL OF A/T FLUID TEMPERATURE SENSOR (WITHOUT CONSULT-II)

Without CONSULT-II 1. Start engine. 2. Check voltage between TCM terminal 47 and ground while
warming up A/T.
Voltage :Cold [20°C (68°F)] Hot [80°C (176°F)] :Approximately 1.5V 0.5V
3. Turn ignition switch to OFF position. 4. Disconnect TCM harness connector. 5. Check resistance between TCM harness connector terminal 42
and ground. Refer to AT-570, "Wiring Diagram -- AT -- BA/FTS" .
Continuity should exist.
OK or NG OK >> GO TO 10. NG >> GO TO 9.
9. DETECT MALFUNCTIONING ITEM
Check the following items: G Harness for short or open between TCM, ECM and terminal cord assembly (Main harness) G Ground circuit for ECM
Refer to PG-3, "POWER SUPPLY ROUTING" . OK or NG
OK >> GO TO 10. NG >> Repair or replace damaged parts.
10. CHECK DTC
Perform AT-568, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 11.
11. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

WCIA0044E

Revision: December 2006

AT-574

2006 Sentra

DTC VEHICLE SPEED SENSOR MTR
DTC VEHICLE SPEED SENSOR MTR Description
The vehicle speed sensor·MTR is built into the speedometer assembly. The sensor functions as an auxiliary device to the revolution sensor when it is malfunctioning. The TCM will then use a signal sent from the vehicle speed sensor·MTR.

[RE4F04B]
PFP:24814
A
ECS0065N
B
AT

On Board Diagnosis Logic

SAT639J
E
ECS0065O

Diagnostic trouble code VHCL SPEED SEN·MTR with CONSULT-II or 2nd judgement flicker without CON-

SULT-II is detected when TCM does not receive the proper voltage signal from the sensor.

Possible Cause

ECS0065P

Check the following items. G Harness or connectors
(The sensor circuit is open or shorted.) G Vehicle speed sensor
Diagnostic Trouble Code (DTC) Confirmation Procedure

G
H
ECS0065Q

CAUTION:

G Always drive vehicle at a safe speed.

G If conducting this "DTC Confirmation Procedure" again, always turn ignition switch OFF and wait

at least 10 seconds before continuing.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II

1. Turn ignition switch ON and select "DATA MONITOR" mode for "A/T" with CONSULT-II.

2. Start engine and accelerate vehicle from 0 to 25 km/h (0 to 16 MPH).

BCIA0030E

WITHOUT CONSULT-II 1. Start engine.
Revision: December 2006

AT-575

BCIA0031E
2006 Sentra

DTC VEHICLE SPEED SENSOR MTR
2. Drive vehicle under the following conditions: Selector lever in D and vehicle speed higher than 25 km/h (16 MPH).
3. Perform self-diagnosis. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" .

[RE4F04B]

SAT329H

Revision: December 2006

AT-576

2006 Sentra

DTC VEHICLE SPEED SENSOR MTR Wiring Diagram -- AT -- VSSMTR

[RE4F04B]
ECS0065R
A B AT D E F G H I J K L M

Revision: December 2006

AT-577

WCWA0137E
2006 Sentra

DTC VEHICLE SPEED SENSOR MTR

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

VOLTAGE VARIES

PU/R

VEHICLE SPEED SENSOR

WHEN MOVING VEHICLE AT 2 TO 3 KM/H (1 TO 2 MPH) FOR 1 M (3 FT)

BETWEEN LESS THAN 1V AND MORE

THAN 4.5V

Diagnostic Procedure

ECS0065S

1. CHECK INPUT SIGNAL
With CONSULT-II

1. Start engine. 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out the value of "VHCL/S SE·MTR" while driving.
Check the value changes according to driving speed.
Without CONSULT-II 1. Start engine. 2. Check voltage between TCM terminal 40 and ground while driv-
ing at 2 to 3 km/h (1 to 2 MPH) for 1 m (3 ft) or more.
Voltage :Voltage varies between less than 1V and more than 4.5V.
OK or NG OK >> GO TO 3. NG >> GO TO 2.
2. DETECT MALFUNCTIONING ITEM
Check the following items: G Vehicle speed sensor and ground circuit for vehicle speed sensor
Refer to DI-4, "METERS AND GAUGES" . G Harness for short or open between TCM and vehicle speed sensor (Main harness) OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.

SAT614J SAT356JA

Revision: December 2006

AT-578

2006 Sentra

DTC VEHICLE SPEED SENSOR MTR
3. CHECK DTC
Perform AT-575, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . OK or NG
OK >> INSPECTION END NG >> GO TO 4.
4. CHECK TCM INSPECTION

[RE4F04B]
A B AT

1. Perform TCM input/output signal inspection.

2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

Revision: December 2006

AT-579

2006 Sentra

DTC TURBINE REVOLUTION SENSOR
DTC TURBINE REVOLUTION SENSOR Description
The turbine revolution sensor detects input shaft rpm (revolutions per minute). It is located on the input side of the automatic transaxle. The vehicle speed sensor A/T (Revolution sensor) is located on the output side of the automatic transaxle. With the two sensors, input and output shaft rpms are accurately detected. The result is optimal shift timing during deceleration and improved shifting.

[RE4F04B]
PFP:31935
ECS0065T

ON BOARD DIAGNOSIS LOGIC

LCIA0019E

Diagnostic trouble code

Malfunction is detected when...

Check items (Possible cause)

: TURBINE REV : 10th judgement flicker

TCM does not receive the proper voltage signal from the sensor.

G Harness or connectors (The sensor circuit is open or shorted.)
G Turbine revolution sensor

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
CAUTION: G Always drive vehicle at a safe speed.
G If conducting this "DTC CONFIRMATION PROCEDURE" again, always turn ignition switch OFF and wait at least 5 seconds before continuing.
After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II 1. Start engine.

BCIA0030E

2. Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Drive vehicle under the following conditions: Selector lever in D, vehicle speed higher than 40 km/h (25 MPH), engine speed higher than 1,500 rpm, throttle opening greater than 1.0/8 of the full throttle position and driving for more than 5 seconds.
Without CONSULT-II
1. Start engine.
2. Drive vehicle under the following conditions: Selector lever in "D" and vehicle speed higher than 40 km/h (25 MPH), engine speed higher than 1,500 rpm, throttle opening greater than 1/8 of the full throttle position and driving for more than 5 seconds.

BCIA0031E

Revision: December 2006

AT-580

2006 Sentra

DTC TURBINE REVOLUTION SENSOR
3. Perform self-diagnosis. Refer to AT-438, "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" .

[RE4F04B]
A B AT
SAT455F
D E F G H I J K L M

Revision: December 2006

AT-581

2006 Sentra

DTC TURBINE REVOLUTION SENSOR Wiring Diagram -- AT -- TRSA/T

[RE4F04B]
ECS0065U

Revision: December 2006

AT-582

BCWA0252E
2006 Sentra

DTC TURBINE REVOLUTION SENSOR

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/R

TURBINE REVOLUTION SENSOR (POWER)

IGNITION ON

BATTERY VOLTAGE

WHEN MOVING AT 20 KM/H (12

MPH), USE THE CONSULT-II

PULSE FREQUENCY MEASUR-

ING FUNCTION.*1
AT
CAUTION:

TURBINE REVOLUTION SEN- CONNECT THE DIAGNOSIS

SOR (SIGNAL)

DATA LINK CABLE TO THE

240 Hz

VEHICLE DIAGNOSIS CONNEC-

TOR.

*1: A CIRCUIT TESTER CANNOT

BE USED TO TEST THIS ITEM.

WHEN VEHICLE IS PARKED.

UNDER 1.3V OR OVER 4.5V

B/W

SENSOR GROUND

Diagnostic Procedure

ECS0065V

1. CHECK INPUT SIGNAL

With CONSULT-II

1. Start engine.

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out the value of "TURBINE REF" while driving.

Check the value changes according to driving speed.

Without CONSULT-II 1. Start engine. 2. Check voltage between TCM terminal 38 and ground (measure in AC range).

SAT740J

OK or NG OK >> GO TO 3. NG >> GO TO 2.
Revision: December 2006

AT-583

LCWA0004E
2006 Sentra

DTC TURBINE REVOLUTION SENSOR
2. DETECT MALFUNCTIONING ITEM

[RE4F04B]

Check harness for short or open between TCM and turbine revolution sensor. OK or NG
OK >> GO TO 3. NG >> Repair or replace damaged parts.
3. CHECK DTC

Perform DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION, AT-580, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . OK or NG
OK >> INSPECTION END. NG >> GO TO 4.
4. CHECK TCM INSPECTION

1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminal for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END. NG >> Repair or replace damaged parts.
Component Inspection
TURBINE REVOLUTION SENSOR G Check resistance between terminals 1, 2 and 3.

ECS0065W

Terminal No.

Resistance (Approx.) 2.4 - 2.8k No continuity No continuity

LCIA0077E

Revision: December 2006

AT-584

2006 Sentra

DTC U1000 CAN COMMUNICATION LINE

[RE4F04B]

DTC U1000 CAN COMMUNICATION LINE Description

PFP:23710
A
ECS0065X

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-

control units during operation (not independent). In CAN communication, control units are connected with 2

communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.

Each control unit transmits/receives data but selectively reads required data only.

On Board Diagnosis Logic

ECS0065Y

G This is an OBD-II self-diagnostic item.

G Diagnostic trouble code "CAN COMM CIRCUIT" with CONSULT-II or U1000 without CONSULT-II is detected when TCM cannot communicate to other control unit.

Possible Cause

E
ECS0065Z

Harness or connectors (CAN communication line is open or shorted.)
DTC Confirmation Procedure

F
ECS00660

WITH CONSULT-II

1. Turn ignition switch to ON position. (Do not start engine.)

2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.

3. Start engine and wait for at least 6 seconds.

4. If DTC is detected, go to AT-587, "Diagnostic Procedure" .

WITH GST Follow the procedure "WITH CONSULT-II".

K
BCIA0030E
L
M

Revision: December 2006

AT-585

2006 Sentra

DTC U1000 CAN COMMUNICATION LINE Wiring Diagram -- AT -- CAN

[RE4F04B]
ECS00661

Revision: December 2006

AT-586

BCWA0253E
2006 Sentra

DTC U1000 CAN COMMUNICATION LINE

Diagnostic Procedure
1. CHECK CAN COMMUNICATION CIRCUIT

With CONSULT-II

1. Turn ignition switch "ON" and start engine.

2. Select "SELF-DIAG RESULTS" mode for "A/T" with CONSULTII.

Is any malfunction of the "CAN COMM CIRCUIT" indicated?

YES NO

>> Print out CONSULT-II screen, GO TO LAN section. Refer to LAN - LAN-17, "CAN Communication Unit"
>> INSPECTION END.

[RE4F04B]
ECS00662
A B AT D E
PCIA0061E
F G H I J K L M

Revision: December 2006

AT-587

2006 Sentra

[RE4F04B]
PFP:31036
ECS00663

SAT574J

On Board Diagnosis Logic

ECS00664

Diagnostic trouble code CONTROL UNIT (RAM), CONTROL UNIT (ROM) with CONSULT-II is detected when TCM memory (RAM) or (ROM).

Possible Cause

ECS00665

Check TCM.

Diagnostic Trouble Code (DTC) Confirmation Procedure

ECS00666

NOTE: If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

WITH CONSULT-II 1. Turn ignition switch ON and select "DATA MONITOR" mode for
"A/T" with CONSULT-II.
2. Start engine.

3. Run engine for at least 2 seconds at idle speed.

BCIA0030E

Revision: December 2006

AT-588

BCIA0031E
2006 Sentra

DTC CONTROL UNIT (RAM), CONTROL UNIT (ROM)
Diagnostic Procedure
1. INSPECTION START
With CONSULT-II 1. Turn ignition switch ON and select "SELF DIAGNOSIS" mode for A/T with CONSULT-II. 2. Touch "ERASE". 3. Perform AT-588, "Diagnostic Trouble Code (DTC) Confirmation Procedure" . 4. Is the "CONTROL UNIT (RAM)" or "CONTROL UNIT (ROM)" displayed again? Yes or No
Yes >> Replace TCM. No >> INSPECTION END

[RE4F04B]
ECS00667
A
B
AT
D
E

Revision: December 2006

AT-589

2006 Sentra

DTC CONTROL UNIT (EEP ROM)
DTC CONTROL UNIT (EEP ROM) Description
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The unit controls the A/T.

[RE4F04B]
PFP:31036
ECS00668

ON BOARD DIAGNOSIS LOGIC

SAT574J

Diagnostic trouble code : CONT UNIT (EEP ROM)

Malfunction is detected when...
TCM memory (EEP ROM) is malfunctioning.

Check item (Possible cause) G TCM

DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 5 seconds before conducting the next test.

With CONSULT-II
1. Turn ignition switch ON and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
2. Start engine.

3. Run engine for at least 2 seconds at idle speed.

BCIA0030E

BCIA0031E

Revision: December 2006

AT-590

2006 Sentra

DTC CONTROL UNIT (EEP ROM)
Diagnostic Procedure
1. CHECK DTC
With CONSULT-II 1. Turn ignition switch ON and select "SELF DIAGNOSIS" mode for A/T with CONSULT-II. 2. Move selector lever to "R" position. 3. Depress accelerator pedal (Full throttle position). 4. Touch "ERASE". 5. Turn ignition switch OFF position for 10 seconds. Perform AT-590, "DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION PROCEDURE" . Is the "CONT UNIT (EEP ROM)" displayed again?
Yes >> Replace TCM. No >> INSPECTION END

[RE4F04B]
ECS00669
A
B
AT
D E
F

Revision: December 2006

AT-591

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
TROUBLE DIAGNOSIS FOR SYMPTOMS Wiring Diagram -- AT -- NONDTC

[RE4F04B]
PFP:00007
ECS0066A

Revision: December 2006

AT-592

WCWA0140E
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

BR/Y

PNP SWITCH 1 POSITION

IGNITION ON AND SELECTOR LEVER IN 1 POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

B/R

PNP SWITCH 2 POSITION

IGNITION ON AND SELECTOR LEVER IN 2 POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

W/G

PNP SWITCH D POSITION

G/Y

PNP SWITCH R POSITION

IGNITION ON AND SELECTOR LEVER IN D POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

IGNITION ON AND SELECTOR LEVER IN R POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

PNP SWITCH P OR N POSITION

IGNITION ON AND SELECTOR LEVER IN P OR N POSITION

BATTERY VOLTAGE

IGNITION ON AND SELECTOR LEVER IN OTHER POSITIONS

APPROX. 0V

Revision: December 2006

AT-593

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

Revision: December 2006

AT-594

WCWA0141E
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-595

BCWA0254E
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

TCM TERMINALS AND REFERENCE VALUE MEASURED BETWEEN EACH TERMINAL AND 25 OR 48 (TCM GROUND)

TERMINAL WIRE COLOR

ITEM

CONDITION

DATA (DC)

CAN-H

CAN-L

G/B

DATA LINK CONNECTOR (RX)

GY/L

DATA LINK CONNECTOR (TX)

SENSOR POWER

IGNITION SWITCH ON IGNITION SWITCH OFF

APPROX. 4.5 - 5.5v APPROX. 0V

1. O/D OFF Indicator Lamp Does Not Come On

ECS0066B

SYMPTOM: O/D OFF indicator lamp does not come on for about 2 seconds when turning ignition switch to ON.

1. CHECK TCM POWER SOURCE
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM terminals 10, 19, 28 and ground.

OK or NG OK >> GO TO 2. NG >> GO TO 3.
2. CHECK POWER SOURCE STEP 2

SAT611J

1. Turn ignition switch to OFF position. 2. Check voltage between TCM terminal 28 and ground.

OK or NG OK >> GO TO 4. NG >> GO TO 3.
Revision: December 2006

AT-596

WCIA0043E
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
3. DETECT MALFUNCTIONING ITEM
Check the following items: G Harness for short or open between ignition switch and TCM (Main harness)
Refer to AT-483, "Wiring Diagram -- AT -- MAIN" . G Harness for short or open between battery and TCM (Main harness)
Refer to AT-483, "Wiring Diagram -- AT -- MAIN" . G Ignition switch and fuse
Refer to PG-3, "POWER SUPPLY ROUTING" . OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.
4. CHECK TCM GROUND CIRCUIT
1. Turn ignition switch to OFF position. 2. Disconnect TCM harness connector. 3. Check continuity between TCM terminals 25, 48 and ground.
Continuity should exist.
OK or NG OK >> GO TO 5. NG >> Repair open circuit or short to ground or short to power in harness or connectors. Refer to AT-483, "Wiring Diagram -- AT -- MAIN" .

[RE4F04B]
A B AT D E F G H

I
SAT515J

5. DETECT MALFUNCTIONING ITEM J

Check the following items:

G Harness and fuse for short or open between ignition switch and O/D OFF indicator lamp (Main harness)

Refer to PG-3, "POWER SUPPLY ROUTING" .

G Harness for short or open between O/D OFF indicator lamp and TCM.

OK or NG

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

6. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 8.
7. CHECK TCM INSPECTION

ECS0066C

Revision: December 2006

AT-597

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
G Engine cannot be started with selector lever in P or N position. G Engine can be started with selector lever in D, 2, 1 or R position.

[RE4F04B]

1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch circuit?
Without CONSULT-II Does self-diagnosis show damage to park/neutral position (PNP) switch circuit? Yes or No
Yes >> Check park/neutral position (PNP) switch circuit. Refer to AT-486, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
No >> GO TO 2.

2. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH

SCIA0706E

Check for short or open of park/neutral position (PNP) switch harness connector terminals 1 and 2. Refer to AT-488, "Wiring Diagram -- AT -- PNP/SW" . OK or NG
OK >> GO TO 3. NG >> Repair or replace park/neutral position (PNP) switch.
3. CHECK STARTING SYSTEM

Check control cable. Refer to AT-641, "Control Cable Adjustment" .
OK or NG
OK >> GO TO 4. NG >> Adjust control cable. Refer to AT-641, "Control Cable
Adjustment"

4. CHECK STARTING SYSTEM
Check starting system. Refer to SC-7, "STARTING SYSTEM" . OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

SAT023JB

Revision: December 2006

AT-598

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

3. In P Position, Vehicle Moves Forward or Backward When Pushed
SYMPTOM: Vehicle moves when it is pushed forward or backward with selector lever in P position.

ECS0066D
A

B
1. CHECK PARKING COMPONENTS

Check parking components. Refer to AT-646, "OVERHAUL" and AT723, "ASSEMBLY" .

OK or NG

OK >> INSPECTION END

NG >> Repair or replace damaged parts.

4. In N Position, Vehicle Moves
SYMPTOM: Vehicle moves forward or backward when selecting N position.

SAT282F

ECS0066E

1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT

With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch cir- I cuit?

Without CONSULT-II

Does self-diagnosis show damage to park/neutral position (PNP)

switch circuit?

Yes or No

Yes >> Check park/neutral position (PNP) switch circuit. Refer

to AT-486, "DTC P0705 PARK/NEUTRAL POSITION

SWITCH" .

No >> GO TO 2. L

2. CHECK CONTROL LINKAGE
Check control cable. OK or NG
OK >> GO TO 4. NG >> GO TO 3.

SAT367J

Revision: December 2006

AT-599

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
3. ADJUST CONTROL CABLE
Adjust control cable. >> Refer to AT-641, "Control Cable Adjustment" .

[RE4F04B]

4. CHECK A/T FLUID LEVEL
Check A/T fluid level. OK or NG
OK >> GO TO 5. NG >> Refill ATF.

5. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 7. NG >> GO TO 6.

6. DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. 2. Check the following items: Forward clutch assembly Overrun clutch assembly Reverse clutch assembly OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-600

SAT023JA SAT638A SAT171B
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
7. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 8.
8. CHECK TCM INSPECTION

[RE4F04B]
A B AT

D
E
ECS0066F
F

1. CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to A/T fluid temperature sensor,

line pressure solenoid valve or throttle position sensor [accelerator

pedal position (APP) sensor] circuit?

Yes or No

Yes >> GO TO 2.

No >> GO TO 3.

2. CHECK DAMAGED CIRCUIT

SAT345HA
K

Check damaged circuit. L

>> Refer to AT-492, "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" , AT-542, "DTC

P0745 LINE PRESSURE SOLENOID VALVE" , and AT-558, "DTC P1705 THROTTLE POSITION

SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sensor. Refer to EC-891, "DTC P0222, P0223 TP SENSOR" , and EC1110, "DTC P2122, P2123 APP SENSOR" .
OK or NG
OK >> GO TO 4. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

LCIA0110E

Revision: December 2006

AT-601

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in D position. Refer to AT-452, "Line Pressure Test" . OK or NG
OK >> GO TO 6. NG >> GO TO 5.

[RE4F04B]

5. DETECT MALFUNCTIONING ITEM

SAT494G

Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 7.
7. CHECK TCM INSPECTION

Revision: December 2006

AT-602

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
6. Vehicle Does Not Creep Backward In R Position
SYMPTOM: Vehicle does not creep backward when selecting R position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. OK or NG
OK >> GO TO 2. NG >> Refill ATF.

[RE4F04B]
ECS0066G
A
B
AT
D

2. CHECK STALL REVOLUTION
Check stall revolution with selector lever in 1 and R positions. OK or NG
OK >> GO TO 5. OK in 1 position, NG in R position>>GO TO 3. NG in both 1 and R positions>>GO TO 4.

SAT638A

G H

SAT493G

3. DETECT MALFUNCTIONING ITEM

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil- L ter)

Line pressure solenoid valve

3. Disassemble A/T.

4. Check the following items:

Oil pump assembly Torque converter

Reverse clutch assembly High clutch assembly OK or NG

OK >> GO TO 5. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-603

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. DETECT MALFUNCTIONING ITEM

[RE4F04B]

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following items: Oil pump assembly Torque converter Reverse clutch assembly High clutch assembly Low & reverse brake assembly Low one-way clutch OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.
5. CHECK LINE PRESSURE

Check line pressure at idle with selector lever in R position. Refer to AT-452, "Line Pressure Test" .
OK or NG
OK >> GO TO 7. NG >> GO TO 6.

6. DETECT MALFUNCTIONING ITEM

SAT494G

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following item: Oil pump assembly OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-604

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
7. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 9. NG >> GO TO 8.

[RE4F04B]
A B AT

8. DETECT MALFUNCTIONING ITEM

SAT171B
E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-

ter)

Line pressure solenoid valve

3. Disassemble A/T.

4. Check the following items:

Oil pump assembly

Torque converter

Reverse clutch assembly

High clutch assembly

Low & reverse brake assembly J
Low one-way clutch

OK or NG

OK >> GO TO 9.

NG >> Repair or replace damaged parts.

9. CHECK SYMPTOM L Check again.

OK or NG

OK >> INSPECTION END

NG >> GO TO 10.

10. CHECK TCM INSPECTION

Revision: December 2006

AT-605

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
7. Vehicle Does Not Creep Forward in D, 2 or 1 Position
SYMPTOM: Vehicle does not creep forward when selecting D, 2 or 1 position.
1. CHECK A/T FLUID LEVEL
Check A/T fluid level. OK or NG
OK >> GO TO 2. NG >> Refill ATF.

[RE4F04B]
ECS0066H

2. CHECK STALL REVOLUTION
Check stall revolution with selector lever in D position. Refer to AT448, "Stall Test" . OK or NG
OK >> GO TO 4. NG >> GO TO 3.

SAT638A

3. DETECT MALFUNCTIONING ITEM

SAT493G

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following items: Oil pump assembly Forward clutch assembly Forward one-way clutch Low one-way clutch Low & reverse brake assembly Torque converter OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-606

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. CHECK LINE PRESSURE
Check line pressure at idle with selector lever in D position. Refer to AT-452, "Line Pressure Test" . OK or NG
OK >> GO TO 6. NG >> GO TO 5.

[RE4F04B]
A B AT

5. DETECT MALFUNCTIONING ITEM

SAT494G
E

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-

ter)

Line pressure solenoid valve

3. Disassemble A/T.

4. Check the following item:

Oil pump assembly

OK or NG

OK >> GO TO 6.

NG >> Repair or replace damaged parts.

6. CHECK A/T FLUID CONDITION

1. Remove oil pan.

2. Check A/T fluid condition.

OK or NG

OK >> GO TO 8.

NG >> GO TO 7.

M
SAT171B

Revision: December 2006

AT-607

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
7. DETECT MALFUNCTIONING ITEM

[RE4F04B]

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot fil-
ter) Line pressure solenoid valve 3. Disassemble A/T. 4. Check the following items: Oil pump assembly Forward clutch assembly Forward one-way clutch Low one-way clutch Low & reverse brake assembly Torque converter OK or NG
OK >> GO TO 8. NG >> Repair or replace damaged parts.
8. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 9.
9. CHECK TCM INSPECTION

ECS0066I

1. CHECK SYMPTOM
Is "6. Vehicle Does Not Creep Backward In R Position" OK? Yes or No
Yes >> GO TO 2. No >> Go to AT-603, "6. Vehicle Does Not Creep Backward In R Position" .

Revision: December 2006

AT-608

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

2. CHECK SELF-DIAGNOSTIC RESULTS A

Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-

olution sensor), shift solenoid valve A, B or vehicle speed sen-

sor·MTR after cruise test?

Yes or No

Yes >> Check damaged circuit. Refer to AT-498, "DTC P0720

VEHICLE SPEED SENSOR·A/T (REVOLUTION SEN-

SOR)" , AT-548, "DTC P0750 SHIFT SOLENOID VALVE

A" , or AT-553, "DTC P0755 SHIFT SOLENOID VALVE

B" .

No >> GO TO 3.

SAT934FB

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sen-

sor]. Refer to EC-797, "DTC P0122, P0123 TP SENSOR" and EC-

1110, "DTC P2122, P2123 APP SENSOR" .

OK or NG

OK >> GO TO 4.

NG >> Repair or replace throttle position sensor [accelerator

pedal position (APP) sensor].

4. CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in D position. Refer to AT-452, "Line Pressure Test" . OK or NG
OK >> GO TO 6. NG >> GO TO 5.

LCIA0110E
I
J
K

L
SAT494G
M

Revision: December 2006

AT-609

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift valve A Shift valve B Shift solenoid valve A Shift solenoid valve B Pilot valve Pilot filter 3. Disassemble A/T. 4. Check the following items: Forward clutch assembly Forward one-way clutch Low one-way clutch High clutch assembly Torque converter Oil pump assembly OK or NG
OK >> GO TO 8. NG >> Repair or replace damaged parts.
6. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 7. NG >> GO TO 5.

[RE4F04B]

7. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift valve A Shift valve B Shift solenoid valve A Shift solenoid valve B Pilot valve Pilot filter OK or NG
OK >> GO TO 8. NG >> Repair or replace damage parts.

Revision: December 2006

AT-610

SAT171B
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
8. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 9.
9. CHECK TCM INSPECTION

[RE4F04B]
A B AT

D
E
ECS0066J

SYMPTOM:

A/T does not shift from D1 to D2 at the specified speed.

A/T does not shift from D4 to D2 when depressing accelerator pedal fully at the specified speed.

1. CHECK SYMPTOM

Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" and "8. Vehicle Cannot Be Started From D1 "

OK?

Yes or No

Yes >> GO TO 2. No >> Go to AT-606, "7. Vehicle Does Not Creep Forward in D, 2 or 1 Position" and AT-608, "8. Vehicle I
Cannot Be Started From D1" .

2. CHECK SELF-DIAGNOSTIC RESULTS

With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch cir- K cuit?

Without CONSULT-II

Does self-diagnosis show damage to park/neutral position (PNP)

switch circuit?

Yes or No

Yes >> Check park/neutral position (PNP) switch circuit. Refer

to AT-486, "DTC P0705 PARK/NEUTRAL POSITION

SWITCH" .

No >> GO TO 3.

SAT367J
3. CHECK VEHICLE SPEED SENSOR·A/T AND VEHICLE SPEED SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer to AT-498, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" and AT-575, "DTC VEHICLE SPEED SENSOR MTR" . OK or NG
OK >> GO TO 4. NG >> Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR
circuits.

Revision: December 2006

AT-611

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

4. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR

Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-797, "DTC P0122, P0123 TP SENSOR" and EC1110, "DTC P2122, P2123 APP SENSOR" .
OK or NG
OK >> GO TO 5. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

5. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 7. NG >> GO TO 6.

LCIA0110E

6. DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift valve A Shift solenoid valve A Pilot valve Pilot filter 3. Disassemble A/T. 4. Check the following items: Servo piston assembly Brake band Oil pump assembly OK or NG
OK >> GO TO 8. NG >> Repair or replace damaged parts.

SAT171B

Revision: December 2006

AT-612

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

7. DETECT MALFUNCTIONING ITEM A

1. Remove control valve. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Shift valve A

Shift solenoid valve A

Pilot valve AT
Pilot filter

OK or NG

OK >> GO TO 8.

NG >> Repair or replace damaged parts.

8. CHECK SYMPTOM E

Check again.

OK or NG

OK >> INSPECTION END

NG >> GO TO 9.

9. CHECK TCM INSPECTION

H
I
ECS0066K

SYMPTOM:

A/T does not shift from D2 to D3 at the specified speed.

1. CHECK SYMPTOM

Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" and "8. Vehicle Cannot Be Started From D1 "

OK?

Yes or No

Yes >> GO TO 2.

No >> Go to AT-606, "7. Vehicle Does Not Creep Forward in D, 2 or 1 Position" and AT-608, "8. Vehicle

Cannot Be Started From D1" .

Revision: December 2006

AT-613

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
2. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT

[RE4F04B]

With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch circuit?
Without CONSULT-II Does self-diagnosis show damage to park/neutral position (PNP) switch circuit?
Yes or No
Yes >> Check park/neutral position (PNP) switch circuit. Refer to AT-486, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
No >> GO TO 3.

SAT367J
3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-797, "DTC P0122, P0123 TP SENSOR" and EC1110, "DTC P2122, P2123 APP SENSOR" . OK or NG
OK >> GO TO 4. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 6. NG >> GO TO 5.

LCIA0110E

SAT171B

Revision: December 2006

AT-614

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

5. DETECT MALFUNCTIONING ITEM A

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Shift valve B

Shift solenoid valve B

Pilot valve AT
Pilot filter

3. Disassemble A/T.

4. Check the following items:

Servo piston assembly

High clutch assembly

Oil pump assembly

OK or NG

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

6. DETECT MALFUNCTIONING ITEM

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" .

2. Check the following items:

Shift valve B

Shift solenoid valve B

Pilot valve

Pilot filter

OK or NG

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

7. CHECK SYMPTOM

Check again.

OK or NG

OK >> INSPECTION END NG >> GO TO 8.

8. CHECK TCM INSPECTION
M 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

Revision: December 2006

AT-615

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
11. A/T Does Not Shift: D3 D4
SYMPTOM: G A/T does not shift from D3 to D4 at the specified speed. G A/T must be warm before D3 to D4 shift will occur.

[RE4F04B]
ECS0066L

1. CHECK SYMPTOM
Are "7. Vehicle Does Not Creep Forward In D, 2 Or 1 Position" and "8. Vehicle Cannot Be Started From D1 " OK? Yes or No
Yes >> GO TO 2. No >> Go to AT-606, "7. Vehicle Does Not Creep Forward in D, 2 or 1 Position" and AT-608, "8. Vehicle
Cannot Be Started From D1" .
2. CHECK SELF-DIAGNOSTIC RESULTS

With CONSULT-II Does self-diagnosis, after cruise test, show damage to any of the following circuits?
G Park/neutral position (PNP) switch
G Overdrive control switch
G A/T fluid temperature sensor
G Vehicle speed sensor·A/T (revolution sensor)
G Shift solenoid valve A or B
G Vehicle speed sensor·MTR
Yes or No
Yes >> Check damaged circuit. Refer to AT-486, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" , AT-492, "DTC P0710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" , AT-498, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT-548, "DTC P0750 SHIFT SOLENOID VALVE A" , AT-553, "DTC P0755 SHIFT SOLENOID VALVE B" , or AT-575, "DTC VEHICLE SPEED SENSOR MTR" .
No >> GO TO 3.

SAT363HC

3. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-797, "DTC P0122, P0123 TP SENSOR" and EC1132, "DTC P2138 APP SENSOR" .
OK or NG
OK >> GO TO 4. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

LCIA0110E

Revision: December 2006

AT-616

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 6. NG >> GO TO 5.

5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift valve B Overrun clutch control valve Shift solenoid valve B Pilot valve Pilot filter 3. Disassemble A/T. 4. Check the following items: Servo piston assembly Brake band Torque converter Oil pump assembly OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.
6. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Shift valve B Overrun clutch control valve Shift solenoid valve B Pilot valve Pilot filter OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.
7. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 8.

Revision: December 2006

AT-617

[RE4F04B]
A B AT D
SAT171B
E F G H I J K L M
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
8. CHECK TCM INSPECTION

[RE4F04B]

ECS0066M

1. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to torque converter clutch solenoid valve circuit after cruise test? Yes or No
Yes >> Check torque converter clutch solenoid valve circuit. Refer to AT-529, "DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
No >> GO TO 2.

SAT346H
2. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]
Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-891, "DTC P0222, P0223 TP SENSOR" and EC1132, "DTC P2138 APP SENSOR" . OK or NG
OK >> GO TO 3. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

3. DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-638, "REMOVAL" . 2. Check following items: Torque converter clutch control valve Torque converter relief valve Torque converter clutch solenoid valve Pilot valve Pilot filter OK or NG
OK >> GO TO 4. NG >> Repair or replace damaged parts.

LCIA0110E

Revision: December 2006

AT-618

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 5.
5. CHECK TCM INSPECTION

[RE4F04B]
A B AT

D
E
ECS0066N
F

1. CHECK SELF-DIAGNOSTIC RESULTS

Does self-diagnosis show damage to engine speed signal circuit after cruise test?
H Yes or No

Yes >> Check engine speed signal circuit. Refer to AT-503,

"DTC P0725 ENGINE SPEED SIGNAL" .

No >> GO TO 2.

2. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 4. NG >> GO TO 3.

J
SAT347H
K
L
M

SAT171B

Revision: December 2006

AT-619

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
3. DETECT MALFUNCTIONING ITEM

[RE4F04B]

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Torque converter clutch control valve Pilot valve Pilot filter 3. Disassemble A/T. 4. Check torque converter and oil pump assembly. OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.
4. DETECT MALFUNCTIONING ITEM

1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Torque converter clutch control valve Pilot valve Pilot filter OK or NG
OK >> GO TO 5. NG >> Repair or replace damaged parts.
5. CHECK SYMPTOM

Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 6.
6. CHECK TCM INSPECTION

ECS0066O

Revision: December 2006

AT-620

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

1. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR] CIR- A
CUIT

With CONSULT-II

Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to the throttle position switch [accelerator

pedal position (APP) sensor] circuit?

Without CONSULT-II

Does self-diagnosis show damage to the throttle position sensor

[accelerator pedal position (APP) sensor] circuit?

Yes or No

Yes >> Check the throttle position switch [accelerator pedal

position (APP) sensor circuit. Refer to EC-797, "DTC

P0122, P0123 TP SENSOR" and EC-1132, "DTC

P2138 APP SENSOR" .

No >> GO TO 2.

2. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 3.
3. CHECK TCM INSPECTION

F
SAT367J
G
H
I

1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.
15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )
SYMPTOM: G Engine speed does not smoothly return to idle when A/T shifts from D4 to D3 . G Vehicle does not decelerate by engine brake when turning overdrive control switch OFF. G Vehicle does not decelerate by engine brake when shifting A/T from D to 2 position.

J
K
ECS0066P
L
M

1. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve circuit after cruise test? Yes or No
Yes >> Check overrun clutch solenoid valve circuit. Refer to AT563, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" .
No >> GO TO 2.

Revision: December 2006

AT-621

SAT348H
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

2. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

Check throttle position sensor [accelerator pedal position (APP) sensor]. Refer to EC-797, "DTC P0122, P0123 TP SENSOR" and EC1132, "DTC P2138 APP SENSOR" .
OK or NG
OK >> GO TO 3. NG >> Repair or replace throttle position sensor [accelerator
pedal position (APP) sensor].

3. CHECK A/T FLUID CONDITION
1. Remove oil pan. 2. Check A/T fluid condition. OK or NG
OK >> GO TO 5. NG >> GO TO 4.

LCIA0110E

4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Overrun clutch control valve Overrun clutch reducing valve Overrun clutch solenoid valve 3. Disassemble A/T. 4. Check the following items: Overrun clutch assembly Oil pump assembly OK or NG
OK >> GO TO 6. NG >> Repair or replace damaged parts.
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-638, "REMOVAL" . 2. Check the following items: Overrun clutch control valve Overrun clutch reducing valve Overrun clutch solenoid valve OK or NG
OK >> GO TO 6. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-622

SAT171B
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
6. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 7.
7. CHECK TCM INSPECTION

[RE4F04B]
A B AT

D
E
ECS0066Q
F

1. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (revolution sensor), shift solenoid valve A, B or vehicle speed sensor·MTR after cruise test? Yes or No
Yes >> Check damaged circuit. Refer to AT-498, "DTC P0720 VEHICLE SPEED SENSOR·A/T (REVOLUTION SENSOR)" , AT-548, "DTC P0750 SHIFT SOLENOID VALVE A" , AT-553, "DTC P0755 SHIFT SOLENOID VALVE B" or AT-575, "DTC VEHICLE SPEED SENSOR MTR" .
No >> GO TO 2.
2. CHECK SYMPTOM
Check again. OK or NG
OK >> Go to AT-608, "8. Vehicle Cannot Be Started From D1" . NG >> GO TO 3.
3. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

G H I J
SAT934FA
K L M

Revision: December 2006

AT-623

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

17. A/T Does Not Shift: D4 D3 , When Overdrive Control Switch ON OFF
ECS0066R
SYMPTOM: A/T does not shift from D4 to D3 when changing overdrive control switch to OFF position.

1. CHECK OVERDRIVE SWITCH CIRCUIT

With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to overdrive control switch circuit?
Without CONSULT-II Does self-diagnosis show damage to overdrive control switch circuit?
Yes or No
Yes >> Check overdrive control switch circuit. Refer to AT-626, "21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Overdrive Control and Throttle Position Sensor [Accelerator Pedal Position (APP) Sensor] Switches Circuit Checks}" .
No >> Go to AT-613, "10. A/T Does Not Shift: D2 D3" .

18. A/T Does Not Shift: D3 22 , When Selector Lever D 2 Position
SYMPTOM: A/T does not shift from D3 to 22 when changing selector lever from D to 2 position.

SAT344H ECS0066S

1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT
With CONSULT-II Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch circuit?
Without CONSULT-II Does self-diagnosis show damage to park/neutral position (PNP) switch circuit?
Yes or No
Yes >> Check park/neutral position (PNP) switch circuit. Refer to AT-486, "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
No >> Go to AT-611, "9. A/T Does Not Shift: D1 D2 or Does Not Kickdown: D4 D2" .

SAT367J

Revision: December 2006

AT-624

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

19. A/T Does Not Shift: 22 11 , When Selector Lever 2 1 Position
SYMPTOM: A/T does not shift from 22 to 11 when changing selector lever from 2 to 1 position.

ECS0066T
A

B
1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT

With CONSULT-II

Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to park/neutral position (PNP) switch cir-

cuit?

Without CONSULT-II

Does self-diagnosis show damage to park/neutral position (PNP)

switch circuit?

Yes or No

Yes >> Check park/neutral position (PNP) switch circuit. Refer

to AT-486, "DTC P0705 PARK/NEUTRAL POSITION

SWITCH" .

No >> GO TO 2.

2. CHECK SYMPTOM
Check again. OK or NG
OK >> INSPECTION END NG >> GO TO 3.

G
SAT367J
H
I
J

3. CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

K
SAT778B
L
M

Revision: December 2006

AT-625

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
20. Vehicle Does Not Decelerate By Engine Brake
SYMPTOM: Vehicle does not decelerate by engine brake when shifting from 22 (12 ) to 11 .

[RE4F04B]
ECS0066U

1. CHECK SYMPTOM

Is "6. Vehicle Does Not Creep Backward In R Position" OK?
Yes or No Yes >> Go to AT-621, "15. Engine Speed Does Not Return To Idle (Light Braking D4 D3 )" . No >> Go to AT-603, "6. Vehicle Does Not Creep Backward In R Position" .

21. TCM Self-diagnosis Does Not Activate {Park/neutral Position (PNP), Over-

drive Control and Throttle Position Sensor [Accelerator Pedal Position (APP)

Sensor] Switches Circuit Checks}

ECS0066V

SYMPTOM: O/D OFF indicator lamp does not come on in TCM self-diagnostic procedure even if the lamp circuit is good.

G Overdrive control switch Detects the overdrive control switch position (ON or OFF) and sends a signal to the TCM.

WCIA0066E

Revision: December 2006

AT-626

SAT360H
LCIA0110E
2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
DIAGNOSTIC PROCEDURE NOTE: The diagnostic procedure includes inspections for the overdrive control switch circuits.
1. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (WITH CONSULT-II)
With CONSULT-II 1. Turn ignition switch to ON position.
(Do not start engine.) 2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II. 3. Read out P/N, R, D, 2 and 1 position switches moving selector lever to each position.
Check that the signal of the selector lever position is indicated properly. OK or NG OK >> GO TO 5. NG >> GO TO 2.

[RE4F04B]
A B AT D E F

2. DETECT MALFUNCTIONING ITEM

SAT701J
H

Check the following items:

G Park/neutral position (PNP) switch

Check continuity between park/neutral position (PNP) switch

F29 terminals 1 (G/OR) and 2 (B) and between terminals 3 (Y)

and 4 (OR), 5 (L), 6 (W/G), 7 (BR/W), 8 G/W), 9 (G) while mov-

ing manual shaft through each position.

Lever position

Terminal No.

3 - 7

1 - 2

3 - 8

3 - 9

1 - 2

3 - 6

3 - 5

3 - 4

WCIA0096E
M

If NG, check again with manual control cable disconnected from manual shaft of A/T assembly. Refer to step a.
If OK on step b, adjust manual control cable. Refer to AT-641, "Control Cable Adjustment" .
If NG on step b, remove park/neutral position (PNP) switch from A/T and check continuity of park/neutral position (PNP) switch terminals. Refer to step a.
If OK on step d, adjust park/neutral position (PNP) switch. Refer to AT-640, "Park/Neutral Position (PNP) Switch Adjustment" .
If NG on step d, replace park/neutral position (PNP) switch.
G Harness for short or open between ignition switch and park/neutral position (PNP) switch (Main harness) G Harness for short or open between park/neutral position (PNP) switch and TCM (Main harness)
OK or NG OK >> GO TO 5. NG >> Repair or replace damaged parts.

Revision: December 2006

AT-627

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS

[RE4F04B]

3. CHECK PARK/NEUTRAL POSITION (PNP) SWITCH CIRCUIT (WITHOUT CONSULT-II)

Without CONSULT-II
1. Turn ignition switch to ON position. (Do not start engine.)
2. Check voltage between TCM terminals 26 (OR), 27 (L), 34 (W/ G), 35 (G/W), 36 (BR/W) and ground while moving selector lever through each position.

Lever position
P,N R D 2 1

Terminal No.

Voltage: B : Battery voltage 0 : 0V

OK or NG
OK >> GO TO 6. NG >> GO TO 4.

SAT361J

Revision: December 2006

AT-628

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
4. DETECT MALFUNCTIONING ITEM
Check the following items: G Park/neutral position (PNP) switch Check continuity between park/neutral position (PNP) switch
F29 terminals 1 (G/OR) and 2 (B) and between terminals 3 (Y) and 4 (OR), 5 (L), 6 (W/G), 7 (BR/W), 8 G/W), 9 (G) while moving manual shaft through each position.

[RE4F04B]
A B AT

Lever position

Terminal No.

3 - 7

1 - 2

3 - 8

3 - 9

1 - 2

3 - 6

3 - 5

E
WCIA0096E

3 - 4

If NG, check again with manual control cable disconnected from manual shaft of A/T assembly. Refer to

step a.

If OK on step b, adjust manual control cable. Refer to AT-641, "Control Cable Adjustment" .

If NG on step b, remove park/neutral position (PNP) switch from A/T and check continuity of park/neutral

position (PNP) switch terminals. Refer to step a.

If OK on step d, adjust park/neutral position (PNP) switch. Refer to AT-640, "Park/Neutral Position (PNP) H Switch Adjustment" .

If NG on step d, replace park/neutral position (PNP) switch.

G Harness for short or open between ignition switch and park/neutral position (PNP) switch (Main harness) I G Harness for short or open between park/neutral position (PNP) switch and TCM (Main harness)

OK or NG

OK >> GO TO 7.

NG >> Repair or replace damaged parts.

5. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT (WITH CONSULT-II)

With CONSULT-II

1. Turn ignition switch to ON position.

(Do not start engine.)

2. Select "TCM INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.

3. Read out "OVERDRIVE SW".

Check the signal of the overdrive control switch is indicated properly.

(Overdrive control switch "ON" displayed on CONSULT-II means

overdrive "OFF".)

OK or NG

OK >> GO TO 7. NG >> GO TO 6.

SAT645J

Revision: December 2006

AT-629

2006 Sentra

TROUBLE DIAGNOSIS FOR SYMPTOMS
6. DETECT MALFUNCTIONING ITEM

[RE4F04B]

Check the following items: G Overdrive control switch M44. G Check continuity between terminals 1 and 2.

Switch position

Continuity

OFF

Yes

G Harness for short or open between TCM and overdrive control switch (Main harness)
G Harness of ground circuit for overdrive control switch (Main harness) for short or open
OK or NG
OK >> GO TO 7. NG >> Repair or replace damaged parts.

WCIA0155E

7. CHECK THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]

G Perform throttle position sensor [accelerator pedal position (APP) sensor] inspection. Refer to AT-558, "DTC P1705 THROTTLE POSITION SENSOR [ACCELERATOR PEDAL POSITION (APP) SENSOR]" .
OK or NG OK >> GO TO 8. NG >> Repair or replace damaged parts.
8. CHECK TCM INSPECTION

1. Perform TCM input/output inspection. Refer to AT-479, "TCM INSPECTION TABLE" .
OK or NG
OK >> INSPECTION END. NG >> Inspect TCM terminals and related wiring harnesses for damage or loose connections. Repair or
replace damaged parts.

Revision: December 2006

AT-630

2006 Sentra

A/T SHIFT LOCK SYSTEM

[RE4F04B]

A/T SHIFT LOCK SYSTEM Description

PFP:34950
A
ECS0066W

Shift Lock System Electrical Parts Location

ECS0066X

Revision: December 2006

AT-631

SAT862J
2006 Sentra

A/T SHIFT LOCK SYSTEM Wiring Diagram -- SHIFT --

[RE4F04B]
ECS0066Y

Revision: December 2006

AT-632

WCWA0126E
2006 Sentra

A/T SHIFT LOCK SYSTEM

[RE4F04B]

Diagnostic Procedure
SYMPTOM 1:

ECS0066Z
A

G Selector lever cannot be moved from "P" position with key in ON position and brake pedal applied. B
G Selector lever can be moved from "P" position with key in ON position and brake pedal released.

G Selector lever can be moved from "P" position when key is removed from key cylinder.

SYMPTOM 2:

Ignition key cannot be removed when selector lever is set to "P" position. It can be removed when

selector lever is set to any position except "P".

D
1. CHECK KEY INTERLOCK CABLE

Check key interlock cable for damage.

OK or NG

OK >> GO TO 2.

NG >> Repair key interlock cable. Refer to AT-636, "Components" .

2. CHECK SELECTOR LEVER POSITION

Check selector lever position for damage. OK or NG
OK >> GO TO 3. NG >> Check selector lever. Refer to AT-641, "Control Cable Adjustment" .
3. CHECK POWER SOURCE

Turn ignition switch to "ON" position. (Do not start engine.)
G Check voltage between A/T device harness connector M44 terminal 7 (G) and ground.

Voltage: Brake pedal depressed: Brake pedal released:
OK or NG OK >> GO TO 5. NG >> GO TO 4.

Battery voltage 0V

G H

WCIA0404E

Revision: December 2006

AT-633

2006 Sentra

A/T SHIFT LOCK SYSTEM
4. DETECT MALFUNCTIONING ITEM

[RE4F04B]

Condition When brake pedal is depressed When brake pedal is released

Continuity Yes No

SCIA2126E

6. CHECK PARK POSITION SWITCH

Check continuity between A/T device harness connector M44 terminals 6 (B) and 7 (G).

Selector lever position
"P" position
Other position
OK or NG OK >> GO TO 7. NG >> Replace park position switch.

Continuity Yes No

Revision: December 2006

AT-634

SCIA0784E
LAT232
2006 Sentra

A/T SHIFT LOCK SYSTEM

7. CHECK SHIFT LOCK SOLENOID
1. Connect A/T device harness connector. 2. Turn ignition switch to "ON" position. 3. Check operation sound.

Condition When ignition switch is turned to "ON" position and selector lever is in the "P" position.
OK or NG OK >> GO TO 8. NG >> Replace shift lock solenoid.
8. CHECK SHIFT LOCK OPERATION

Brake pedal Depressed Released

Operation sound Yes No

1. Perform A/T device input/output signal inspection test. 2. If NG, recheck harness connector connection. OK or NG
OK >> INSPECTION END NG >> Repair or replace damaged parts.

[RE4F04B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-635

2006 Sentra

KEY INTERLOCK CABLE
KEY INTERLOCK CABLE Components

[RE4F04B]
PFP:34908
ECS00670

Removal

ECS00671

1. Unlock slider by squeezing lock tabs on slider from adjuster holder and remove interlock rod from cable.

Revision: December 2006

AT-636

SAT853J
2006 Sentra

KEY INTERLOCK CABLE
2. Remove lock plate from steering lock assembly and remove key interlock cable.
Installation
1. Turn ignition key to lock position. 2. Set A/T selector lever to P position. 3. Set key interlock cable to steering lock assembly and install lock
plate. 4. Clamp cable to steering column and attach to control cable with
band.
5. Insert interlock rod into adjuster holder.
6. Install casing cap to bracket. 7. Move slider in order to connect adjuster holder to interlock rod.

[RE4F04B]
A B AT
SAT854J
D
ECS00672
E
F G
SAT854J
H
I J
K
SAT804E
L
M
SAT805E

Revision: December 2006

AT-637

2006 Sentra

ON-VEHICLE SERVICE ON-VEHICLE SERVICE Control Valve Assembly and Accumulators
REMOVAL 1. Drain ATF from transaxle. 2. Remove oil pan and gasket.
G Always replace oil pan bolts as they are self-sealing bolts.
3. Disconnect A/T solenoid harness connector.
4. Remove snap ring from terminal cord assembly harness terminal body.
5. Remove terminal cord assembly harness from transmission case by pushing on terminal body.

[RE4F04B]
PFP:00000
ECS00673
SAT031J
SAT327F
SAT995C

Revision: December 2006

AT-638

2006 Sentra

ON-VEHICLE SERVICE
6. Remove control valve assembly by removing fixing bolts I , X and G.
Bolt length, number and location are shown in the illustration. G Be careful not to drop manual valve and servo release accu-
mulator return spring. 7. Disassemble and inspect control valve assembly if necessary.
Refer to AT-673, "Control Valve Assembly" .
8. Remove servo release and N-D accumulators by applying compressed air if necessary. G Hold each piston with a rag.
INSTALLATION G Set manual shaft in Neutral, then align manual plate with
groove in manual valve. G After installing control valve assembly, make sure that
selector lever can be moved to all positions.

[RE4F04B]
A B AT D E F G
SAT004F
H I J
AAT279
K L M
SAT091J

Revision: December 2006

AT-639

2006 Sentra

ON-VEHICLE SERVICE Revolution Sensor Replacement
1. Remove under cover. 2. Remove revolution sensor from A/T. 3. Reinstall any part removed.
G Always use new sealing parts.
Park/Neutral Position (PNP) Switch Adjustment
1. Remove control cable from manual shaft. 2. Set manual shaft in N position. 3. Loosen park/neutral position (PNP) switch fixing bolts.
4. Insert pin into adjustment holes in both park/neutral position (PNP) switch and manual shaft as near vertical as possible.
5. Reinstall any part removed. 6. Check continuity of park/neutral position (PNP) switch. Refer to
AT-489, "Diagnostic Procedure" .

[RE4F04B]
ECS00674
AAT189 ECS00675
SAT033J
AAT469A

Revision: December 2006

AT-640

2006 Sentra

ON-VEHICLE SERVICE
Control Cable Adjustment
Move selector lever from the P position to the 1 position. You should be able to feel the detents in each position. If the detents cannot be felt or the pointer indicating the position is improperly aligned, the control cable needs adjustment. 1. Place selector lever in P position. 2. Loosen control cable lock nut and place manual shaft in P posi-
tion. CAUTION: Turn wheels more than 1/4 rotations and apply the park lock. 3. Push control cable in the direction of the arrow shown in the illustration by specified force.
Specified force : 4.9 - 9.8 N (0.5 - 1.0 kg, 1.1 - 2.2 lb) 4. Tighten control cable lock nut. 5. Move selector lever from P to 1 position again. Make sure that
selector lever moves smoothly. G Make sure that the starter operates when the selector
lever is placed in the N or P position. G Make sure that the transmission is locked properly when
the selector lever is placed in the P position.
Differential Side Oil Seal Replacement
1. Remove drive shaft assembly. Refer to FAX-14, "Removal" . 2. Remove oil seal.
3. Install oil seal. G Apply ATF before installing.

[RE4F04B]
ECS00676
A B AT D E
F G
SAT763J
H
ECS00677
I J K
SAT781-C
L M
SAT782

Revision: December 2006

AT-641

2006 Sentra

ON-VEHICLE SERVICE
G Install oil seals so dimension A is within specification A : -0.5 mm (-0.02 in) to 0.5 mm (0.02 in)
4. Reinstall any part removed.

[RE4F04B]
AAT531A

Revision: December 2006

AT-642

2006 Sentra

REMOVAL AND INSTALLATION

[RE4F04B]

REMOVAL AND INSTALLATION Removal

PFP:00000
A
ECS00678

1. Remove battery and bracket.

2. Remove air duct and air cleaner assembly, refer to EM-106, "REMOVAL" .

3. Disconnect terminal cord assembly harness connector and park/neutral position (PNP) switch harness connectors.

4. Disconnect harness connectors of mass air flow sensor, intake air temperature sensor, revolution sensor, AT turbine revolution sensor, vehicle speed sensor and ground cable.

5. Remove LH mounting bracket from transaxle and body.

6. Disconnect control cable at transaxle side.

7. Remove drive shafts, refer to FAX-14, "Removal" .

8. Drain ATF.

9. Remove push clips and engine undercover.

10. Disconnect fluid cooler piping.

11. Disconnect and remove starter motor from transaxle, refer to

SC-18, "Removal" .

12. Support engine by placing a jack under oil pan. G Do not place jack under oil pan drain plug.
13. Remove center member. 14. Remove rear cover plate and bolts securing torque converter to
drive plate. G Rotate crankshaft for access to securing bolts.

LCIA0086E
G
H
I

K
SAT944CA
L

SAT615E

Revision: December 2006

AT-643

2006 Sentra

REMOVAL AND INSTALLATION
15. Support transaxle with a jack. 16. Remove bolts fixing A/T to engine. 17. Lower transaxle while supporting it with a jack.
Installation
G When connecting torque converter to transaxle, measure distance "A" to be certain that they are correctly assembled. Distance "A" : 14 mm (0.55 in) or more

[RE4F04B]
SAT947C ECS00679

G Install bolts fixing converter to drive plate.
G With converter installed, rotate crankshaft several turns to check that transaxle rotates freely without binding.

SAT044A

G Tighten bolts securing transaxle.
G Tighten LH mounting bracket bolts to the specified torque. Refer to EM-159, "Removal and Installation" .
G Tighten center member bolts to the specified torque. Refer to EM-159, "Removal and Installation" .
G Tighten rear plate cover bolts to the specified torque. Refer to EM-115, "OIL PAN AND OIL STRAINER" .

Bolt No.

Tightening torque N-m (kg-m, ft-lb)

70 - 79 (7.1 - 8.1, 52 - 58)

78 - 98 (7.9 - 10.0, 58 - 72)

G Reinstall any part removed.

l mm (in)
65 (2.56) 52 (2.05) 40 (1.57) 124 (4.88)

Revision: December 2006

AT-644

SAT946C SAT764J
2006 Sentra

REMOVAL AND INSTALLATION
G Check fluid level in transaxle. G Move selector lever through all positions to be sure that tran-
saxle operates correctly. With parking brake applied, rotate engine at idling. Move selector lever through N to D, to 2, to 1 and to R position. A slight shock should be felt by hand gripping selector each time transaxle is shifted. G Perform road test. Refer to AT-453, "Road Test" .

[RE4F04B]
A B AT
SAT638A
D E F G H I J K L M

Revision: December 2006

AT-645

2006 Sentra

OVERHAUL Components

OVERHAUL

[RE4F04B]
PFP:00000
ECS0067A

Revision: December 2006

AT-646

LCIA0103E
2006 Sentra

OVERHAUL

[RE4F04B]
A B AT D E F G H I J K L M

Revision: December 2006

AT-647

SAT949IA
2006 Sentra

OVERHAUL

[RE4F04B]

Revision: December 2006

AT-648

LCIA0104E
2006 Sentra

Oil Channel

OVERHAUL

[RE4F04B]
ECS0067B
A B AT D E F G H I J K L M

Revision: December 2006

AT-649

SAT573K
2006 Sentra

OVERHAUL

[RE4F04B]

Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap

Rings

ECS0067C

Revision: December 2006

AT-650

SAT565K
2006 Sentra

DISASSEMBLY Disassembly
1. Drain ATF through drain plug. 2. Remove torque converter.

DISASSEMBLY

3. Check torque converter one-way clutch using check tool.
a. Insert check tool into the groove of bearing support built into one-way clutch outer race.
b. When fixing bearing support with check tool, rotate one- way clutch spline using screwdriver.
c. Check that inner race rotates clockwise only. If not, replace torque converter assembly.

4. Remove A/T fluid charging pipe and fluid cooler tube.

Revision: December 2006

AT-651

[RE4F04B]
PFP:31020
A
ECS0067D
B AT
D
SAT008D
E F G H I J K
SAT009D
L M
SAT768J
2006 Sentra

DISASSEMBLY
5. Set manual shaft to position P. 6. Remove park/neutral position (PNP) switch.
7. Remove oil pan and oil pan gasket. G Always replace oil pan bolts as they are self-sealing bolts.
8. Check foreign materials in oil pan to help determine causes of malfunction. If the fluid is very dark, smells burned, or contains foreign particles, the frictional material (clutches, band) may need replacement. A tacky film that will not wipe clean indicates varnish build up. Varnish can cause valves, servo, and clutches to stick and can inhibit pump pressure. G If frictional material is detected, replace radiator after repair of A/T. Refer to CO-32, "RADIATOR" .
9. Remove control valve assembly according to the following procedures.
a. Remove control valve assembly mounting bolts I , X and G. b. Remove snap ring from terminal cord assembly connector.

[RE4F04B]
SAT023JA SAT003F

c. Push terminal body into transmission case and draw out solenoid harness.

Revision: December 2006

AT-652

SAT004F
SAT016D
2006 Sentra

DISASSEMBLY
10. Remove manual valve from control valve assembly.

11. Remove return spring from servo release accumulator piston.

12. Remove servo release accumulator piston with compressed air.

13. Remove O-rings from servo release accumulator piston.
14. Remove N-D accumulator piston and return spring with compressed air.

15. Remove O-rings from N-D accumulator piston.

Revision: December 2006

AT-653

[RE4F04B]
A

AT
SAT005F
D

G
SAT018DA
H

SAT019DA

SAT020D

2006 Sentra

DISASSEMBLY
16. Check accumulator pistons and contact surface of transmission case for damage.
17. Check accumulator return springs for damage and free length. 18. Remove lip seals.
19. Remove L & R oil tube and oil sleeve.
20. Remove converter housing according to the following procedures.
a. Remove converter housing mounting bolts. b. Remove converter housing by tapping it lightly.

[RE4F04B]
SAT023DA SAT006F SAT862HA SAT008F

Revision: December 2006

AT-654

2006 Sentra

DISASSEMBLY
c. Remove O-ring from differential oil port.

21. Remove final drive assembly from transmission case.

22. Remove differential side bearing outer race and side bearing adjusting shim from transmission case.

23. Remove differential side bearing adjusting shim from transmission case.

24. Remove differential side bearing outer race from converter housing.

Revision: December 2006

AT-655

[RE4F04B]
A

AT
SAT235F
D

G
SAT228F
H

SAT010FB

SAT031D

SAT011FB
2006 Sentra

DISASSEMBLY
25. Remove oil seal with screwdriver from converter housing. G Be careful not to damage case.
26. Remove differential lubricant tube from converter housing.

27. Remove oil pump according to the following procedures. a. Remove O-ring from input shaft.
b. Remove oil pump assembly, baffle plate and gasket from transmission case.

c. Remove thrust washer and bearing race from oil pump assembly.

Revision: December 2006

AT-656

[RE4F04B]
SAT032D SAT063K SAT225F SAT012F SAT013F
2006 Sentra

DISASSEMBLY
28. Remove brake band according to the following procedures. a. Loosen lock nut, then back off anchor end pin.
G Do not reuse anchor end pin.
b. Remove brake band and strut from transmission case.

G To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown. Leave the clip in position after removing the brake band.
c. Check brake band facing for damage, cracks, wear or burns.

29. Remove input shaft assembly (high clutch) and reverse clutch according to the following procedures.
a. Remove input shaft assembly (high clutch) with reverse clutch.

Revision: December 2006

AT-657

[RE4F04B]
A B AT
SAT014FA
D E F G
SAT196F
H I J K
SAT039D
L M
SAT040D
SAT549F
2006 Sentra

DISASSEMBLY
b. Remove input shaft assembly (high clutch) from reverse clutch.

c. Remove needle bearings from high clutch drum and check for damage or wear.

d. Remove high clutch hub and front sun gear from transmission case.

e. Remove front sun gear and needle bearing from high clutch hub and check for damage or wear.
f. Remove bearing race from front sun gear and check for damage or wear.
30. Remove needle bearing from transmission case and check for damage or wear.

Revision: December 2006

AT-658

[RE4F04B]
SAT566F SAT567F SAT568F SAT019F SAT020F
2006 Sentra

DISASSEMBLY
31. Apply compressed air and check to see that low and reverse brake operates.
32. Remove low one-way clutch and front planetary carrier assembly according to the following procedures.
a. Remove snap ring with flat-bladed screwdriver.
b. Remove low one-way clutch with a hook made of wire.

c. Remove snap ring with flat-bladed screwdriver.

Revision: December 2006

AT-659

[RE4F04B]
A B AT
SAT138F
D E F G
SAT046D
H I J K L M
AAT889
SAT022F
2006 Sentra

DISASSEMBLY
d. Remove front planetary carrier with low and reverse brake piston and retainer.

e. Remove low and reverse brake spring retainer. G Do not remove return springs from spring retainer.
f. Check that low one-way clutch rotates in the direction of the arrow and locks in the opposite direction.

g. Remove needle bearing, low and reverse brake piston and retainer from front planetary carrier.
h. Check front planetary carrier, low one-way clutch and needle bearing for damage or wear.

i. Check clearance between planetary gears and planetary carrier with feeler gauge.

Standard clearance
Allowable limit

: 0.20 - 0.70 mm (0.0079 - 0.0276 in) : 0.80 mm (0.0315 in)

Replace front planetary carrier if the clearance exceeds allowable limit.

Revision: December 2006

AT-660

[RE4F04B]
SAT023F SAT148F SAT048D SAT024F SAT025F
2006 Sentra

DISASSEMBLY
33. Remove rear planetary carrier assembly and rear sun gear according to the following procedures.
a. Remove rear planetary carrier assembly from transmission case.
b. Remove rear sun gear from rear planetary carrier.

c. Remove needle bearings from rear planetary carrier assembly.

d. Check rear planetary carrier, rear sun gear and needle bearings for damage or wear.
e. Check clearance between pinion washer and rear planetary carrier with feeler gauge.

Standard clearance

: 0.20 - 0.70 mm (0.0079 - 0.0276 in)

Allowable limit

: 0.80 mm (0.0315 in)

Replace rear planetary carrier if the clearance exceeds allowable limit.

34. Remove rear internal gear and forward clutch hub from transmission case.

Revision: December 2006

AT-661

[RE4F04B]
A

AT
SAT026F
D

G
SAT027F
H

SAT028F

SAT054D

SAT029F
2006 Sentra

DISASSEMBLY
35. Remove overrun clutch hub from transmission case.

36. Remove needle bearing from overrun clutch hub and check for damage or wear.
37. Remove forward clutch assembly from transmission case.

38. Remove needle bearing from transmission case.

39. Remove output shaft assembly according to the following procedures.
a. Remove side cover bolts. G Do not mix bolts A and B. G Always replace bolts A as they are self-sealing bolts.

Revision: December 2006

AT-662

[RE4F04B]
SAT030F SAT031F SAT032F SAT033F AAT850
2006 Sentra

DISASSEMBLY
b. Remove side cover by lightly tapping it with a soft hammer. G Be careful not to drop output shaft assembly. It might come out when removing side cover.
c. Remove adjusting shim.
d. Remove output shaft assembly.

G If output shaft assembly came off with side cover, tap cover with a soft hammer to separate.
e. Remove needle bearing.

Revision: December 2006

AT-663

[RE4F04B]
A

AT
SAT434D
D

G
SAT440D
H

SAT035F

SAT435D

SAT036F
2006 Sentra

DISASSEMBLY
40. Disassemble reduction pinion gear according to the following procedures.
a. Set manual shaft to position P to fix idler gear. b. Unlock idler gear lock nut using a pin punch.
c. Remove idler gear lock nut. G Do not reuse idler gear lock nut.
d. Remove idler gear with puller.

e. Remove reduction pinion gear. f. Remove adjusting shim from reduction pinion gear.

41. Remove return spring from parking shaft with screwdriver.
42. Draw out parking shaft and remove parking pawl from transmission case.
43. Check parking pawl and shaft for damage or wear.

Revision: December 2006

AT-664

[RE4F04B]
SAT037F SAT061D SAT841DB SAT916D SAT039F
2006 Sentra

DISASSEMBLY
44. Remove parking actuator support from transmission case. 45. Check parking actuator support for damage or wear.
46. Remove side oil seal with screwdriver from transmission case.

[RE4F04B]
A B AT
SAT066D
D E F G
SAT040F
H I J K L M

Revision: December 2006

AT-665

2006 Sentra

REPAIR FOR COMPONENT PARTS
REPAIR FOR COMPONENT PARTS Manual Shaft
COMPONENTS

[RE4F04B]
PFP:00000
ECS0067E

REMOVAL 1. Remove detent spring from transmission case.
2. Drive out manual plate retaining pin.

Revision: December 2006

AT-666

SAT769J SAT042F SAT842DB
2006 Sentra

REPAIR FOR COMPONENT PARTS
3. Drive and pull out parking rod plate retaining pin. 4. Remove parking rod plate from manual shaft. 5. Draw out parking rod from transmission case.
6. Pull out manual shaft retaining pin. 7. Remove manual shaft and manual plate from transmission case.
8. Remove manual shaft oil seal.
INSPECTION G Check component parts for wear or damage. Replace if necessary. INSTALLATION 1. Install manual shaft oil seal.
G Apply ATF to outer surface of oil seal.

[RE4F04B]
A

AT
SAT043FB
D

G
SAT049F
H

SAT080D

SAT081D

Revision: December 2006

AT-667

2006 Sentra

REPAIR FOR COMPONENT PARTS
2. Install manual shaft and manual plate.

[RE4F04B]

3. Align groove of manual shaft and hole of transmission case. 4. Install manual shaft retaining pin up to bottom of hole.
5. Install parking rod to parking rod plate. 6. Set parking rod assembly onto manual shaft and drive retaining
pin. G Both ends of pin should protrude.
7. Drive manual plate retaining pin. G Both ends of pin should protrude.
8. Install detent spring. Tighten detent spring bolts to the specified torque. Refer to AT-666, "COMPONENTS" .

Revision: December 2006

AT-668

SAT044F SAT045FB SAT034J SAT047FB SAT042F
2006 Sentra

Oil Pump
COMPONENTS

REPAIR FOR COMPONENT PARTS

DISASSEMBLY 1. Remove seal rings.
2. Loosen bolts in a crisscross pattern and remove oil pump cover.
3. Remove inner and outer gear from oil pump housing.

[RE4F04B]
ECS0067F
A

SAT050FC

J
SAT699H
K

SAT051F

Revision: December 2006

AT-669

SAT092D
2006 Sentra

REPAIR FOR COMPONENT PARTS
4. Remove O-ring from oil pump housing.

[RE4F04B]

5. Remove oil pump housing oil seal.

SAT093D

INSPECTION Oil Pump Housing, Oil Pump Cover, Inner Gear and Outer Gear G Check for wear or damage.
Side Clearances G Measure side clearance of inner and outer gears in at least four
places around each outside edge. Maximum measured values should be within specified positions.

Standard clearance

: 0.030 - 0.050 mm (0.0012 - 0.0020 in)

G If clearance is less than standard, select inner and outer gear as a set so that clearance is within specifications.

Inner and outer gear

: Refer to AT-751, "OIL PUMP" .

G If clearance is more than standard, replace whole oil pump assembly except oil pump cover.

SAT094D

Revision: December 2006

AT-670

SAT095D
2006 Sentra

REPAIR FOR COMPONENT PARTS

G Measure clearance between outer gear and oil pump housing.

Standard clearance Allowable limit

: 0.111 - 0.181 mm (0.0044 - 0.0071 in)
: 0.181 mm (0.0071 in)

G If not within allowable limit, replace whole oil pump assembly except oil pump cover.

SEAL RING CLEARANCE G Measure clearance between seal ring and ring groove.

Standard clearance Allowable limit

: 0.1 - 0.25 mm (0.0039 - 0.0098 in)
: 0.25 mm (0.0098 in)

G If not within allowable limit, replace oil pump cover assembly.

ASSEMBLY 1. Install oil seal on oil pump housing.

2. Install O-ring on oil pump housing. G Apply ATF to O-ring.

[RE4F04B]
A B AT
SAT096D
D E
F G
SAT097D
H I J K
SAT900DB
L M

SAT093D

Revision: December 2006

AT-671

2006 Sentra

REPAIR FOR COMPONENT PARTS
3. Install inner and outer gears on oil pump housing. G Be careful of direction of inner gear.

[RE4F04B]

4. Install oil pump cover on oil pump housing. a. Wrap masking tape around splines of oil pump cover assembly
to protect seal. Position oil pump cover assembly on oil pump housing assembly, then remove masking tape. b. Tighten bolts in a crisscross pattern. Tighten oil pump cover bolts to the specified torque. Refer to AT-669, "COMPONENTS" .
5. Install new seal rings carefully after packing ring groove with petroleum jelly. G Do not spread gap of seal ring excessively while installing. The ring may be deformed.

SAT092D SAT051F SAT699H

Revision: December 2006

AT-672

2006 Sentra

REPAIR FOR COMPONENT PARTS
Control Valve Assembly
COMPONENTS

[RE4F04B]
ECS0067G
A
B

1. Oil strainer Terminal body
7. Oil cooler relief valve spring 10 Support plate . 13 Pilot filter . 16 Control valve upper body .

2. O-ring 5. O-rings 8. Check ball 11 Steel ball . 14 Separating plate .

DISASSEMBLY Disassemble upper, inter and lower bodies.

SAT537K

3. Snap ring

6. Control valve lower body

9. Separating plate

12 Control valve inter body

15 Steel ball

Revision: December 2006

AT-673

2006 Sentra

REPAIR FOR COMPONENT PARTS

Bolt length, number and location:

Bolt symbol

Bolt length " " mm (in)

13.5

58.0

40.0

66.0

33.0

78.0

18.0

(0.531) (2.283) (1.575) (2.598) (1.299) (3.071) (0.709)

Number of bolts f: Reamer bolt and nut.

[RE4F04B]

1. Remove bolts a , d and nut f and remove oil strainer from control valve assembly.
2. Remove solenoid valve assembly and line pressure solenoid valve from control valve assembly.

Revision: December 2006

AT-674

SAT704J AAT780 SAT062F
2006 Sentra

REPAIR FOR COMPONENT PARTS
3. Remove O-rings from solenoid valves and terminal body.

4. Place upper body facedown, and remove bolts b , c and nut f .

5. Remove inter body from lower body.

6. Turn over lower body, and remove accumulator support plate.

7. Remove bolts e , separating plate and separating gasket from lower body.
8. Remove check balls and oil cooler relief valve springs from lower body.
G Be careful not to lose check balls and oil cooler relief valve springs.

Revision: December 2006

AT-675

[RE4F04B]
A

AT
SCIA0804E
D

G
SAT064FA
H

SAT432D

SAT109D

SAT110DA
2006 Sentra

REPAIR FOR COMPONENT PARTS
9. Remove inter body from upper body.

[RE4F04B]

10. Check to see that steel balls are properly positioned in inter body and then remove them. G Be careful not to lose steel balls.
11. Check to see that steel balls are properly positioned in upper body and then remove them. G Be careful not to lose steel balls.
INSPECTION Lower and Upper Bodies G Check to see that retainer plates are properly positioned in lower
body.

SAT065F SAT705J SAT771J SAT550G

Revision: December 2006

AT-676

2006 Sentra

REPAIR FOR COMPONENT PARTS
G Check to see that retainer plates are properly positioned in upper body.
G Be careful not to lose these parts.

[RE4F04B]
A B

Oil Strainer G Check wire netting of oil strainer for damage.

SAT551G
D

Shift Solenoid Valves "A" and "B", Line Pressure Solenoid Valve, Torque Converter Clutch E Solenoid Valve and Overrun Clutch Solenoid Valve

G Measure resistance.

G For shift solenoid valve A, refer to AT-551 .

G For shift solenoid valve B, refer to AT-556 .

G For line pressure solenoid valve, refer to AT-545 .

G For torque converter clutch solenoid valve, refer to AT-532 .

G For overrun clutch solenoid valve, refer to AT-566 .

Oil Cooler Relief Valve Spring G Check springs for damage or deformation. G Measure free length and outer diameter.

Inspection standard

: Refer to AT-747, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

SAT283HB
I
J
K

ASSEMBLY 1. Install upper, inter and lower body.
a. Place oil circuit of upper body face up. Install steel balls in their proper positions.

L
SAT138D
M

Revision: December 2006

AT-677

SAT771J
2006 Sentra

REPAIR FOR COMPONENT PARTS
b. Install upper separating gasket, upper inter separating gasket and upper separating plate in order shown in illustration.

[RE4F04B]

c. Install reamer bolts f from bottom of upper body. Using reamer bolts as guides, install separating plate and gaskets as a set.

SAT072F

d. Install pilot filter.

SAT073FA

e. Place lower body as shown in illustration (side of inter body face up). Install steel balls in their proper positions.

f. Install inter body on upper body using reamer bolts f as guides. G Be careful not to dislocate or drop steel balls.

Revision: December 2006

AT-678

SAT074F
SAT705J
SAT076FA
2006 Sentra

REPAIR FOR COMPONENT PARTS
g. Install check balls and oil cooler relief valve springs in their proper positions in lower body.
h. Install lower separating gasket, lower inter separating gasket and lower separating plate in order shown in illustration.
i. Install bolts e from bottom of lower body. Using bolts e as guides, install separating plate and gaskets as a set.
j. Temporarily install support plates on lower body. k. Install lower body on inter body using reamer bolts f as guides
and tighten reamer bolts f slightly.

[RE4F04B]
A

AT
SAT110DA
D

G
BAT002
H

SAT078FA

SAT126DA

Revision: December 2006

AT-679

2006 Sentra

REPAIR FOR COMPONENT PARTS
2. Install O-rings to solenoid valves and terminal body. G Apply ATF to O-rings.

[RE4F04B]

3. Install and tighten bolts.

Bolt length, number and location:

Bolt symbol

Bolt length " " mm (in) 13.5 58.0 40.0 66.0 33.0 78.0 18.0 (0.531) (2.283) (1.575) (2.598) (1.299) (3.071) (0.709)

Number of bolts

SAT063F

a. Install and tighten bolts b to specified torque. : 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)

Revision: December 2006

AT-680

SAT704J SAT081FA
2006 Sentra

REPAIR FOR COMPONENT PARTS
b. Install solenoid valve assembly and line pressure solenoid valve to lower body.
c. Set oil strainer, then tighten bolts a , c , d and nuts f to specified torque. : 7 - 9 N·m (0.7 - 0.9 kg-m, 61 - 78 in-lb)
d. Tighten bolts e to specified torque. : 3.4 - 4.4 N·m (0.35 - 0.45 kg-m, 30.4 - 39.1 in-lb)
Control Valve Upper Body
COMPONENTS Apply ATF to all components before installation.

[RE4F04B]
A
B
AT
SAT062F
D
E
F
G
SAT083FA
H
I
J
SAT084F
K
ECS0067H
L
M

Revision: December 2006

AT-681

2006 Sentra

REPAIR FOR COMPONENT PARTS

[RE4F04B]

1. Upper body

2. Cooler check valve

4. Plug

5. Retainer plate

7. Return spring

8. Plug

10 Torque converter clutch control valve 11 Return spring

13 Torque converter clutch control . sleeve

14 Retainer plate .

16 Return spring .

17 Retainer plate .

19 Overrun clutch reducing valve .

20 Plug .

22 Retainer plate .

23 Return spring .

25 Retainer plate .

26 Plug .

28 Return spring .

29 1-2 accumulator retainer plate .

31 Plug .

32 1st reducing valve .

34 Retainer plate .

35 Return spring .

SAT772J
3. Return spring
6. 1-2 accumulator valve
9. Retainer plate
12 Torque converter clutch control plug .
15 Torque converter relief valve .
18 Return spring .
21 Retainer plate .
24 Pilot valve .
27 1-2 accumulator piston .
30 Retainer plate .
33 Return spring .
36 3-2 timing valve .

Revision: December 2006

AT-682

2006 Sentra

REPAIR FOR COMPONENT PARTS
DISASSEMBLY 1. Remove valves at retainer plates.
G Do not use a magnetic pick-up tool.
a. Use a screwdriver to remove retainer plates.
b. Remove retainer plates while holding spring, plugs or sleeves. G Remove plugs slowly to prevent internal parts from jumping out.
c. Place mating surface of valve body face down, and remove internal parts. G If a valve is hard to remove, place valve body face down and lightly tap it with a soft hammer. G Be careful not to drop or damage valves and sleeves.

[RE4F04B]
A B AT D
SAT551G
E F G
SAT553G
H I J K
SAT554G
L M
SAT137D

Revision: December 2006

AT-683

2006 Sentra

REPAIR FOR COMPONENT PARTS

INSPECTION Valve Spring
G Measure free length and outer diameter of each valve spring. Also check for damage or deformation.

Inspection standard

: Refer to AT-747, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

G Replace valve springs if deformed or fatigued.

Control Valves G Check sliding surfaces of valves, sleeves and plugs.
ASSEMBLY G Lay control valve body down when installing valves. Do not
stand the control valve body upright.

[RE4F04B]
SAT138D

1. Lubricate the control valve body and all valves with ATF. Install control valves by sliding them carefully into their bores. G Be careful not to scratch or damage valve body.
G Wrap a small screwdriver with vinyl tape and use it to insert the valves into their proper positions.

SAT139D SAT140DA

Revision: December 2006

AT-684

SAT141D
2006 Sentra

REPAIR FOR COMPONENT PARTS
1-2 Accumulator Valve G Install 1-2 accumulator valve. Align 1-2 accumulator retainer
plate from opposite side of control valve body. G Install return spring, 1-2 accumulator piston and plug.

1. Install retainer plates. G While pushing plug or return spring, install retainer plate.

Retainer Plate (Upper Body)

No.

Name of control valve

22 Pilot valve

30 1st reducing valve

34 3-2 timing valve

17 Torque converter relief valve

9 1-2 accumulator valve

25 1-2 accumulator piston valve

21 Overrun clutch reducing valve

5 Cooler check valve

14 Torque converter clutch control valve

Width A 6.0 (0.236)

G Install proper retainer plates. Refer to AT-681, "Control Valve Upper Body" .

Control Valve Lower Body
COMPONENTS
Apply ATF to all components before installation.

Unit: mm (in) Length B
21.5 (0.846)
38.5 (1.516) 24.0 (0.945) 28.0 (1.102)

[RE4F04B]
A B AT D
SAT142D
E F G
SAT143D
H I J K
SAT086F
L M
ECS0067I

Revision: December 2006

AT-685

2006 Sentra

REPAIR FOR COMPONENT PARTS

[RE4F04B]

1. Lower body
4. Piston
7. Return spring
10 Plug .
13 Manual valve .
16 Spring seat .
19 Retainer plate .
22 Plug .
25 Accumulator control valve .
28 Shift valve A .
31 Shuttle valve .
34 Plug .

2. Retainer plate
5. Parallel pin
8. Pressure modifier valve
11 Shift valve B .
14 Pressure regulator valve .
17 Plug .
20 Return spring .
23 Retainer plate .
26 Plug .
29 Return spring .
32 Return spring .
35 Retainer plate .

SAT773J
3. Return spring
6. Sleeve
9. Retainer plate
12 Return spring .
15 Return spring .
18 Sleeve .
21 Overrun clutch control valve .
24 Return spring .
27 Retainer plate .
30 Retainer plate .
33 Plug .

Revision: December 2006

AT-686

2006 Sentra

REPAIR FOR COMPONENT PARTS
DISASSEMBLY G Remove valves at retainer plate.
For removal procedures, refer to AT-683, "DISASSEMBLY" .

INSPECTION Valve Springs
G Check each valve spring for damage or deformation. Also measure free length and outer diameter.

Inspection standard

: Refer to AT-747, "CONTROL VALVE AND PLUG RETURN SPRINGS" .

G Replace valve springs if deformed or fatigued.

Control Valves G Check sliding surfaces of control valves, sleeves and plugs for damage.
ASSEMBLY G Install control valves.
For installation procedures, refer to AT-684, "ASSEMBLY" .

Retainer Plate (Lower Body)

Unit: mm (in)

No.

Name of control valve and plug

19 Pressure regulator valve

27 Accumulator control valve

30 Shift valve A

23 Overrun clutch control valve

2 Pressure modifier valve

35 Shuttle valve

9 Shift valve B

Width A Length B Type

6.0 (0.236)

28.0 (1.102)

G Install proper retainer plates. Refer to AT-685, "Control Valve Lower Body" .

Revision: December 2006

AT-687

[RE4F04B]
A

D
SAT550G
E

G
H
SAT138D
I

SAT550A

SAT089F
2006 Sentra

Reverse Clutch
COMPONENTS

REPAIR FOR COMPONENT PARTS

[RE4F04B]
ECS0067J

DISASSEMBLY 1. Check operation of reverse clutch a. Install seal ring onto drum support of oil pump cover and install
reverse clutch assembly. Apply compressed air to oil hole. b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.
2. Remove snap ring. 3. Remove drive plates, driven plates, retaining plate, and dish
plates.

4. Set Tool on spring retainer and remove snap ring from reverse clutch drum while compressing return springs. G Set Tool directly over springs. G Do not expand snap ring excessively.
5. Remove spring retainer and return springs.

Revision: December 2006

AT-688

SAT430IA
SAT092F SAT093F SAT094F
2006 Sentra

REPAIR FOR COMPONENT PARTS
6. Remove piston from reverse clutch drum by turning it. 7. Remove D-ring and oil seal from piston.

[RE4F04B]
A

INSPECTION Reverse Clutch Snap Ring, Spring Retainer and Return Springs
G Check for deformation, fatigue or damage. If necessary, replace.

Reverse Clutch Drive Plates G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate:

Standard value : 1.6 mm (0.063 in)

Wear limit

: 1.4 mm (0.055 in)

G If not within wear limit, replace.

Reverse Clutch Dish Plates G Check for deformation or damage. G Measure thickness of dish plate.
Thickness of dish plate : 3.08 mm (0.1213 in) G If deformed or fatigued, replace.

AT
SAT096F
D

G H

SAT162D

K L

SAT163D

Reverse Clutch Piston

G Make sure that check balls are not fixed.

G Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.

G Apply compressed air to oil hole on return spring side to make sure that air leaks past ball.

ASSEMBLY 1. Install D-ring and oil seal on piston.
G Take care with the direction of oil seal. G Apply ATF to both parts.

Revision: December 2006

AT-689

SAT097FB
2006 Sentra

REPAIR FOR COMPONENT PARTS
2. Install piston assembly by turning it slowly. G Apply ATF to inner surface of drum.

[RE4F04B]

3. Install return springs and spring retainer on piston.

SAT096F

4. Set Tool on spring retainer and install snap ring while compressing return springs. G Set Tool directly over return springs.
5. Install drive plates, driven plates, retaining plate and dish plates. G Take care with order of plates.
6. Install snap ring.

SAT094F

7. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance

Standard

: 0.5 - 0.8 mm (0.020 - 0.031 in)

Allowable limit

: 1.2 mm (0.047 in)

Retaining plate

: Refer to AT-748, "REVERSE CLUTCH" .

SAT093F SAT105F

Revision: December 2006

AT-690

2006 Sentra

REPAIR FOR COMPONENT PARTS
8. Check operation of reverse clutch. Refer to AT-688, "DISASSEMBLY" .
High Clutch
COMPONENTS
DISASSEMBLY 1. Check operation of high clutch. a. Apply compressed air to oil hole of input shaft with nylon cloth.
G Stop up hole on opposite side of input shaft with nylon cloth.
b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball. 2. Remove seal rings from input shaft. G Always replace when removed.

[RE4F04B]
A
B AT
SAT092F
D
ECS0067K
E
F G H
I J
SAT774J
K L
M
SAT176D

Revision: December 2006

AT-691

SAT177D
2006 Sentra

REPAIR FOR COMPONENT PARTS
3. Remove snap ring. 4. Remove drive plates, driven plates and retaining plate.

[RE4F04B]

5. Set Tool on spring retainer and remove snap ring from high clutch drum while compressing return springs. G Set Tool directly over springs. G Do not expand snap ring excessively.
6. Remove spring retainer and return springs.
7. Remove piston from high clutch drum by turning it.

SAT095F SAT108F

8. Remove D-rings from piston.

SAT111F

INSPECTION High Clutch Snap Ring, Spring Retainer and Return Springs G Check for deformation, fatigue or damage.
If necessary, replace. G When replacing spring retainer and return springs, replace them as a set.

SAT371FA

Revision: December 2006

AT-692

2006 Sentra

REPAIR FOR COMPONENT PARTS

High Clutch Drive Plates G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate:

Standard value

: 1.6 mm (0.063 in)

Wear limit

: 1.4 mm (0.055 in)

G If not within wear limit, replace.

High Clutch Piston
G Make sure that check balls are not fixed.
G Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
G Apply compressed air to oil hole on return spring side to make sure that air leaks past ball.

Seal Ring Clearance G Install new seal rings onto input shaft. G Measure clearance between seal ring and ring groove.

Standard clearance Allowable limit

: 0.08 - 0.23 mm (0.0031 - 0.0091 in)
: 0.23 mm (0.0091 in)

G If not within allowable limit, replace input shaft assembly.

ASSEMBLY 1. Install D-rings on piston.
G Apply ATF to both parts.

[RE4F04B]
A

D
SAT162D
E

SAT186D

K
SAT187D
L

SAT371FA

Revision: December 2006

AT-693

2006 Sentra

REPAIR FOR COMPONENT PARTS
2. Install piston assembly by turning it slowly. G Apply ATF to inner surface of drum.

[RE4F04B]

3. Install return springs and spring retainer on piston.

SAT111F

4. Set Tool on spring retainer and install snap ring while compressing return springs. G Set Tool directly over return springs.
G Do not align snap ring gap with spring retainer stopper.

SAT109F SAT108F

5. Install drive plates, driven plates and retaining plate. G Take care with the order and direction of plates.

Revision: December 2006

AT-694

SAT113F
SAT095F
2006 Sentra

REPAIR FOR COMPONENT PARTS

6. Install snap ring.

7. Measure clearance between retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance

Standard

: 1.8 - 2.2 mm (0.071 - 0.087 in)

Allowable limit

: 2.8 mm (0.110 in)

Retaining plate

: Refer to AT-748, "HIGH CLUTCH" .

8. Check operation of high clutch. Refer to AT-691, "DISASSEMBLY" .

9. Install seal rings to input shaft. G Apply petroleum jelly to seal rings. G Always replace when removed.
G Roll paper around seal rings to prevent seal rings from spreading.

[RE4F04B]
A B AT D
SAT116F
E F G
SAT196D
H I J K
SAT197D
L M
SAT198D

Revision: December 2006

AT-695

2006 Sentra

REPAIR FOR COMPONENT PARTS
Forward And Overrun Clutches
COMPONENTS

[RE4F04B]
ECS0067L

DISASSEMBLY 1. Check operation of forward clutch and overrun clutch. a. Install bearing retainer on forward clutch drum. b. Apply compressed air to oil hole of forward clutch drum. c. Check to see that retaining plate moves to snap ring. d. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Oil seal might be damaged. G Fluid might be leaking past piston check ball.
2. Remove snap ring for forward clutch. 3. Remove drive plates, driven plates, retaining plate and dish
plate for forward clutch.

Revision: December 2006

AT-696

SAT962I
SAT123F
SAT203D
2006 Sentra

REPAIR FOR COMPONENT PARTS
4. Remove snap ring for overrun clutch. 5. Remove drive plates, driven plates, retaining plate and dish
plate for overrun clutch.
6. Set Tool on spring retainer and remove snap ring from forward clutch drum while compressing return springs. G Set Tool directly over return springs. G Do not expand snap ring excessively.
7. Remove spring retainer and return springs. G Do not remove return springs from spring retainer.
8. Remove forward clutch piston with overrun clutch piston from forward clutch drum by turning it.
9. Remove overrun clutch piston from forward clutch piston by turning it.
10. Remove D-rings and oil seals from forward clutch piston and overrun clutch piston.

[RE4F04B]
A

AT
SAT204D
D

G
SAT124FB
H

SAT125F

SAT126F

Revision: December 2006

AT-697

SAT127FB
2006 Sentra

REPAIR FOR COMPONENT PARTS

INSPECTION Snap Rings, Spring Retainer and Return Springs G Check for deformation, fatigue or damage. G Replace if necessary. G When replacing spring retainer and return springs, replace them as a set.
Forward Clutch and Overrun Clutch Drive Plates G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate:

Forward clutch

Standard value

: 1.6 mm (0.063 in)

Wear limit

: 1.4 mm (0.055 in)

Overrun clutch

Standard value

: 1.6 mm (0.063 in)

Wear limit

: 1.4 mm (0.055 in)

G If not within wear limit, replace.

Forward Clutch and Overrun Clutch Dish Plates G Check for deformation or damage. G Measure thickness of dish plate.

Thickness of dish plate Forward clutch Overrun clutch

: 2.7 mm (0.106 in) : 2.7 mm (0.106 in)

G If deformed or fatigued, replace.

Forward Clutch Drum
G Make sure that check balls are not fixed.
G Apply compressed air to check ball oil hole from outside of forward clutch drum. Make sure air leaks past ball.
G Apply compressed air to oil hole from inside of forward clutch drum. Make sure there is no air leakage.

[RE4F04B]
SAT162D SAT163D

Overrun Clutch Piston
G Make sure that check balls are not fixed.
G Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
G Apply compressed air to oil hole on return spring side. Make sure that air leaks past ball.

SAT213D

Revision: December 2006

AT-698

SAT212D
2006 Sentra

REPAIR FOR COMPONENT PARTS
ASSEMBLY 1. Install D-rings and oil seals on forward clutch piston and overrun
clutch piston. G Take care with direction of oil seal. G Apply ATF to both parts.
2. Install overrun clutch piston assembly on forward clutch piston by turning it slowly. G Apply ATF to inner surface of forward clutch piston.
3. Install forward clutch piston assembly on forward clutch drum by turning it slowly. G Apply ATF to inner surface of drum.
4. Install return spring on overrun clutch piston.

[RE4F04B]
A B AT D
SAT127FB
E F G
SAT126F
H I J K
SAT125F
L M
SAT131F

Revision: December 2006

AT-699

2006 Sentra

REPAIR FOR COMPONENT PARTS
G Align the mark on spring retainer with check ball in overrun clutch piston.

[RE4F04B]

5. Set Tool on spring retainer and install snap ring while compressing return springs. G Set Tool directly over return springs.
G Do not align snap ring gap with spring retainer stopper.

SAT133F SAT124FB

6. Install drive plates, driven plates, retaining plate and dish plate for overrun clutch. G Take care with order of plates.
7. Install snap ring for overrun clutch.

SAT134F SAT204D

Revision: December 2006

AT-700

2006 Sentra

REPAIR FOR COMPONENT PARTS

8. Measure clearance between overrun clutch retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance

Standard

: 0.7 - 1.1 mm (0.028 - 0.043 in)

Allowable limit

: 1.7 mm (0.067 in)

Overrun clutch retain- Refer to AT-749, "OVERRUN

ing plate

CLUTCH" .

9. Install drive plates, driven plates, retaining plate and dish plate for forward clutch. G Take care with order of plates.
10. Install snap ring for forward clutch.

11. Measure clearance between forward clutch retaining plate and snap ring. If not within allowable limit, select proper retaining plate.

Specified clearance

Standard

: 0.45 - 0.85 mm (0.0177 - 0.0335 in)

Allowable limit

: 1.85 mm (0.0728 in)

Forward clutch retain- : Refer to AT-748, "FOR-

ing plate

WARD CLUTCH" .

12. Check operation of forward clutch. Refer to AT-696, "DISASSEMBLY" .
13. Check operation of overrun clutch. Refer to AT-696, "DISASSEMBLY" .

[RE4F04B]
A B AT
SAT135F
D E F G
SAT203D
H I J
SAT228D
K L M
SAT123F

Revision: December 2006

AT-701

2006 Sentra

REPAIR FOR COMPONENT PARTS
Low & Reverse Brake
COMPONENTS

[RE4F04B]
ECS0067M

DISASSEMBLY 1. Check operation of low & reverse brake. a. Apply compressed air to oil hole of transmission case. b. Check to see that retaining plate moves to snap ring. c. If retaining plate does not contact snap ring:
G D-ring might be damaged. G Fluid might be leaking past piston check ball.
2. In order to remove piston, apply compressed air to oil hole of retainer while holding piston. G Apply air gradually and allow piston to come out evenly.
3. Remove D-rings from piston.

Revision: December 2006

AT-702

WCIA0128E
SAT147F SAT149F SAT150F
2006 Sentra

REPAIR FOR COMPONENT PARTS

INSPECTION Low and Reverse Brake Snap Ring, Spring Retainer and Return Springs G Check for deformation, fatigue or damage.
If necessary, replace. G When replacing spring retainer and return springs, replace them as a set.

Low and Reverse Brake Drive Plate G Check facing for burns, cracks or damage. G Measure thickness of facing.

Thickness of drive plate

Standard value

: 1.8 mm (0.071 in)

Wear limit

: 1.6 mm (0.063 in)

G If not within wear limit, replace.

ASSEMBLY 1. Install D-rings on piston.
G Apply ATF to both parts.

2. Set and align piston with retainer. G This operation is required in order to engage the protrusions of piston to return springs correctly. Further procedures are given in "ASSEMBLY". Refer to AT-723, "ASSEMBLY" .
3. Install driven plates, drive plates, retaining plate and dish plate on transmission case. G Take care with order of plates and direction of dish plate.

[RE4F04B]
A

SAT162D

G H

I
SAT150F
J

M
SAT323F

Revision: December 2006

AT-703

SAT923H
2006 Sentra

4. Install snap ring.

REPAIR FOR COMPONENT PARTS

[RE4F04B]

5. Measure clearance between driven plate and transmission case. If not within allowable limit, select proper retaining plate. (front side)

Specified clearance Standard Allowable limit Retaining plate

: 1.7 - 2.1 mm (0.067 - 0.083 in) : 3.3 mm (0.130 in) Refer to AT-749, "LOW & REVERSE BRAKE" .

Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub
COMPONENTS

SAT546G
SAT155F ECS0067N

Revision: December 2006

AT-704

SAT975H
2006 Sentra

REPAIR FOR COMPONENT PARTS
DISASSEMBLY 1. Remove overrun clutch hub and thrust washer from forward
clutch hub.
2. Remove forward clutch hub from rear internal gear.
3. Remove bearing from rear internal gear.
4. Remove thrust washer from rear internal gear.

[RE4F04B]
A B AT D
SAT157F
E F G
SAT251D
H I J K
SAT252DA
L M
SAT253D

Revision: December 2006

AT-705

2006 Sentra

REPAIR FOR COMPONENT PARTS
5. Remove bearing from forward one-way clutch.

[RE4F04B]

6. Remove forward one-way clutch from forward clutch hub.

SAT254DA

INSPECTION Rear Internal Gear, Forward Clutch Hub and Overrun Clutch Hub G Check rubbing surfaces for wear or damage.

SAT255D

Bearings and Forward One-Way Clutch G Check bearings for deformation and damage. G Check forward one-way clutch for wear and damage.

SAT256D SAT158FA

Revision: December 2006

AT-706

2006 Sentra

REPAIR FOR COMPONENT PARTS
ASSEMBLY 1. Install forward one-way clutch on forward clutch.
G Take care with the direction of forward one-way clutch.
2. Install bearing on forward one-way clutch. G Apply petroleum jelly to bearing.
3. Install thrust washer on rear internal gear. G Apply petroleum jelly to thrust washer. G Align hooks of thrust washer with holes of rear internal gear.
4. Install bearing on rear internal gear. G Apply petroleum jelly to bearing.

[RE4F04B]
A B AT D
SAT976H
E
F G
SAT159FA
H I J K
SAT160F
L M

SAT161FA

Revision: December 2006

AT-707

2006 Sentra

REPAIR FOR COMPONENT PARTS
5. Install thrust washer and overrun clutch hub. G Apply petroleum jelly to thrust washer. G Align hooks of thrust washer with holes of overrun clutch hub. G Align projections of rear internal gear with holes of overrun clutch hub.

[RE4F04B]

6. Install forward clutch hub on rear internal gear.
G Check operation of forward one-way clutch. Hold rear internal gear and turn forward clutch hub. Check forward clutch hub for correct locking and unlocking directions.
G If not as shown in illustration, check installation direction of forward one-way clutch.

SAT157F

Output Shaft, Idler Gear, Reduction Pinion Gear and Bearing Retainer
COMPONENTS

AAT426 ECS0067O

Revision: December 2006

AT-708

SAT291K
2006 Sentra

REPAIR FOR COMPONENT PARTS
DISASSEMBLY 1. Remove seal rings from output shaft and bearing retainer.
2. Remove output shaft bearing with screwdrivers. G Always replace bearing with a new one when removed. G Do not damage output shaft.
3. Remove snap ring from bearing retainer.
4. Remove needle bearing from bearing retainer.

[RE4F04B]
A B AT D
SAT164F
E F G
SAT165F
H I J K
SAT166F
L M
SAT167F

Revision: December 2006

AT-709

2006 Sentra

REPAIR FOR COMPONENT PARTS
5. Remove idler gear bearing inner race from idler gear.

[RE4F04B]

6. Remove idler gear bearing outer race from transmission case.

SAT168F

7. Press out reduction pinion gear bearing inner race from reduction pinion gear.

8. Remove reduction pinion gear bearing outer race from transmission case.

INSPECTION Output Shaft, Idler Gear and Reduction Pinion Gear G Check shafts for cracks, wear or bending. G Check gears for wear, chips and cracks.

Revision: December 2006

AT-710

SAT859DC SAT169F SAT319K
2006 Sentra

REPAIR FOR COMPONENT PARTS
Bearing G Make sure bearings roll freely and are free from noise, cracks,
pitting or wear. G When replacing taper roller bearing, replace outer and inner
race as a set.

Seal Ring Clearance
G Install new seal rings to output shaft. G Measure clearance between seal ring and ring groove of output
shaft.

Standard clearance

: 0.10 - 0.25 mm (0.0039 - 0.0098 in)

Allowable limit

: 0.25 mm (0.0098 in)

G If not within allowable limit, replace output shaft.
G Install new seal rings to bearing retainer. G Measure clearance between seal ring and ring groove of bear-
ing retainer.

Standard clearance

: 0.10 - 0.30 mm (0.0039 - 0.0118 in)

Allowable limit

: 0.30 mm (0.0118 in)

G If not within allowable limit, replace bearing retainer.

ASSEMBLY
1. Press reduction pinion gear bearing inner race on reduction pinion gear.

2. Install reduction pinion gear bearing outer race on transmission case.
: 109 - 123 N·m (11.1 - 12.5 kg-m, 80 - 90 ft-lb)

[RE4F04B]
A

D
SPD715
E

SAT171F

M
SAT172FB

Revision: December 2006

AT-711

SAT319K
2006 Sentra

REPAIR FOR COMPONENT PARTS
3. Press idler gear bearing inner race on idler gear.

[RE4F04B]

4. Install idler gear bearing outer race on transmission case.

SAT174FB

5. Press output shaft bearing on output shaft.

SAT175FC

6. Press needle bearing on bearing retainer.

SAT863D

7. Install snap ring to bearing retainer.

SAT176F

Revision: December 2006

AT-712

SAT166F
2006 Sentra

REPAIR FOR COMPONENT PARTS
8. After packing ring grooves with petroleum jelly, carefully install new seal rings on output shaft and bearing retainer.
G Roll paper around seal rings to prevent seal rings from spreading.
Band Servo Piston Assembly
COMPONENTS
DISASSEMBLY 1. Remove band servo piston fixing bolts.

[RE4F04B]
A

AT
SAT164F
D

SAT179F

ECS0067P

AAT293A

Revision: December 2006

AT-713

AAT879
2006 Sentra

REPAIR FOR COMPONENT PARTS
2. Apply compressed air to oil hole in transmission case to remove O/D servo piston retainer and band servo piston assembly. G Hold band servo piston assembly with a rag or nylon waste.

[RE4F04B]

3. Apply compressed air to oil hole in O/D servo piston retainer to remove O/D servo piston from retainer.
G Hold O/D band servo piston while applying compressed air.

SAT093J

AAT880
4. Remove D-ring from O/D servo piston.

AAT881
5. Remove O-rings from O/D servo piston retainer.

6. Remove band servo piston assembly from servo piston retainer by pushing it forward.

Revision: December 2006

AT-714

AAT882
SAT293D
2006 Sentra

REPAIR FOR COMPONENT PARTS
7. Place piston stem end on a wooden block. While pushing servo piston spring retainer down, remove E-ring.
8. Remove O/D servo return spring, band servo thrust washer and band servo piston stem from band servo piston.
9. Remove O-rings from servo piston retainer.
10. Remove D-rings from band servo piston.
INSPECTION Pistons, Retainers and Piston Stem G Check frictional surfaces for abnormal wear or damage.

[RE4F04B]
A

AT
SAT294D
D

G
AAT883
H

SAT296DA

SAT297D

Revision: December 2006

AT-715

2006 Sentra

REPAIR FOR COMPONENT PARTS

Return Springs G Check for deformation or damage. G Measure free length and outer diameter.

Inspection standard

: Refer to AT-752, "RETURN SPRING" .

ASSEMBLY 1. Install D-rings to servo piston retainer.
G Apply ATF to D-rings. G Pay attention to position of each O-ring.

[RE4F04B]
AAT884

2. Install band servo piston stem, band servo thrust washer, O/D servo return spring and spring retainer to band servo piston.

SAT297D

AAT883
3. Place piston stem end on a wooden block. While pushing servo piston spring retainer down, install E-ring.

SAT301D

Revision: December 2006

AT-716

2006 Sentra

REPAIR FOR COMPONENT PARTS
4. Install O-rings to servo piston retainer. G Apply ATF to O-rings. G Pay attention to position of each O-ring.
5. Install band servo piston assembly to servo piston retainer by pushing it inward.
6. Install D-ring to O/D servo piston. G Apply ATF to D-ring.
7. Install O-rings to O/D servo piston retainer. G Apply ATF to O-rings. G Pay attention to position of each O-ring.
8. Install O/D servo piston to O/D servo piston retainer.

[RE4F04B]
A

AT
SAT296DA
D

G
SAT303D
H

AAT881

AAT882

Revision: December 2006

AT-717

AAT886
2006 Sentra

REPAIR FOR COMPONENT PARTS
9. Install band servo piston assembly and 2nd servo return spring to transmission case. G Apply ATF to O-ring of band servo piston and transmission case.

[RE4F04B]

10. Install O/D servo piston assembly to transmission case.
G Apply ATF to O-ring of band servo piston and transmission case.

SAT865H

AAT885
11. Install O/D servo piston retainer to transmission case. Refer to AT-716, "ASSEMBLY" .

Final Drive
COMPONENTS

AAT879 ECS0067Q

Revision: December 2006

AT-718

SAT542K
2006 Sentra

DISASSEMBLY 1. Remove final gear.

REPAIR FOR COMPONENT PARTS

2. Press out differential side bearings. G Be careful not to mix up the right and left bearings.
3. Remove differential side bearing outer race and side bearing adjusting shim from transaxle case.
4. Remove speedometer drive gear.

[RE4F04B]
A B AT D
SMT505B
E F G
AAT662
H I J K
SAT010FA
L M
SAT313D

Revision: December 2006

AT-719

2006 Sentra

REPAIR FOR COMPONENT PARTS
5. Drive out pinion mate shaft lock pin.

[RE4F04B]

6. Draw out pinion mate shaft lock pin. 7. Remove pinion mate gears and side gears.
INSPECTION Gear, Washer, Shaft and Case G Check mating surfaces of differential case, side gears and pin-
ion mate gears. G Check washers for wear.
Bearings G Make sure bearings roll freely and are free from noise, cracks,
pitting or wear. G When replacing taper roller bearing, replace outer and inner
race as a set.

SAT904D SAT316D SAT544F SPD715

Revision: December 2006

AT-720

2006 Sentra

REPAIR FOR COMPONENT PARTS
ASSEMBLY 1. Attach side gear thrust washers to side gears, then install pinion
mate thrust washers and pinion mate gears in place. G Apply ATF to any parts.

2. Insert pinion mate shaft.
G When inserting, be careful not to damage pinion mate thrust washers.

3. Measure clearance between side gear and differential case with washers following the procedure below:
a. Set Tool and dial indicator on side gear.

b. Move side gear up and down to measure dial indicator deflection. Always measure indicator deflection on both side gears.

Clearance between side gear and differential case with washer

: 0.1 - 0.2 mm (0.004 - 0.008 in)

c. If not within specification, adjust clearance by changing thickness of differential side gear thrust washers.

Differential side gear thrust washers

: Refer to AT-750, "DIFFERENTIAL SIDE GEAR THRUST WASHERS" .

[RE4F04B]
A B AT D
SMT839
E F G
SMT087A
H I J K
AAT782
L M
SMT611A

Revision: December 2006

AT-721

2006 Sentra

REPAIR FOR COMPONENT PARTS
4. Install lock pin. G Make sure that lock pin is flush with case.

[RE4F04B]

5. Install speedometer drive gear on differential case. G Align the projection of speedometer drive gear with the groove of differential case.
6. Press on differential side bearings.

SMT699B SAT313D

7. Install final gear and tighten fixing bolts in a crisscross pattern. Tighten final gear bolts to the specified torque. Refer to AT-718, "COMPONENTS" .

AAT663 SAT546F

Revision: December 2006

AT-722

2006 Sentra

ASSEMBLY
ASSEMBLY Assembly (1)
1. Install differential side oil seals on transmission case and converter housing.

2. Install parking actuator support to transmission case. Tighten parking actuator support bolts to the specified torque. Refer to AT-646, "OVERHAUL" . G Pay attention to direction of parking actuator support.
3. Install parking pawl on transmission case and fix it with parking shaft.
4. Install return spring.

Revision: December 2006

AT-723

[RE4F04B]
PFP:00000
A
ECS0067R
B AT
D
SAT181FB
E F G H
SAT182F
I J K L
SAT183F
M
SAT039F
2006 Sentra

ASSEMBLY
Adjustment (1)
DIFFERENTIAL SIDE BEARING PRELOAD 1. Install differential side bearing outer race without adjusting shim
on transmission case. 2. Install differential side bearing outer race on converter housing.

3. Place final drive assembly on transmission case.
4. Install transmission case on converter housing. Tighten transmission case fixing bolts to the specified torque. Refer to AT646, "OVERHAUL" .

5. Attach dial indicator on differential case at converter housing side.
6. Insert Tool into differential side gear from transmission case side.
7. Move Tool up and down and measure dial indicator deflection.
8. Select proper thickness of differential side bearing adjusting shim(s). Suitable shim thickness = Dial indicator deflection + Specified bearing preload

Differential side bearing preload adjusting shim
Bearing preload

: Refer to AT-750, "DIFFERENTIAL SIDE BEARING PRELOAD ADJUSTING SHIMS" .
: 0.05 - 0.09 mm (0.0020 - 0.0035 in)

Revision: December 2006

AT-724

[RE4F04B]
ECS0067S SAT870D SAT008F
AAT665
2006 Sentra

ASSEMBLY
9. Remove converter housing from transmission case. 10. Remove final drive assembly from transmission case. 11. Remove differential side bearing outer race from transmission
case. 12. Reinstall differential side bearing outer race and shim(s)
selected from SDS table on transmission case. 13. Reinstall converter housing on transmission case and tighten
transmission case fixing bolts to the specified torque. Refer to AT-646, "OVERHAUL" .

14. Insert Tool and measure turning torque of final drive assembly.
G Turn final drive assembly in both directions several times to seat bearing rollers correctly.

Turning torque of final drive assembly (New bearing)

: 0.78 - 1.37 N·m (8.0 - 14.0 kg-cm, 6.9 - 12.2 in-lb)

G When old bearing is used again, turning torque will be slightly less than the above.
G Make sure torque is close to the specified range.

Preload adapter

: J39713

REDUCTION PINION GEAR BEARING PRELOAD 1. Remove transmission case and final drive assembly from con-
verter housing.
2. Select proper thickness of reduction pinion gear bearing adjusting shim using the following procedures.
a. Place reduction pinion gear on transmission case as shown.

b. Place idler gear bearing on transmission case.
c. Measure dimensions "B" "C" and "D" and calculate dimension "A".

A = D - (B + C)

"A"

: Distance between the

surface of idler gear bear-

ing inner race and the

adjusting shim mating

surface of reduction pin-

ion gear.

[RE4F04B]
A B AT
SAT010FB
D E F G
SAT188FE
H I J K
SAT332DA
L M
SAT333DA

Revision: December 2006

AT-725

2006 Sentra

ASSEMBLY
G Measure dimension "B" between the end of reduction pinion gear and the surface of transmission case.
G Measure dimension "B" in at least two places.

G Measure dimension "C" between the surface of idler gear bearing inner race and the surface of transmission case.
G Measure dimension "C" in at least two places.

d. Measure dimension "E" between the end of idler gear and the idler gear bearing inner race mating surface of idler gear. G Measure dimension "E" in at least two places.
e. Select proper thickness of reduction pinion gear bearing adjusting shim.
Proper shim thickness = A - E - 0.05 mm (0.0020 in)*

(*: Bearing preload)
Reduction pinion gear bearing adjusting shim

: Refer to AT-751, "REDUCTION PINION GEAR BEARING ADJUSTING SHIMS" .

[RE4F04B]
SAT334DA SAT335D SAT336DA SAT337D

Revision: December 2006

AT-726

2006 Sentra

ASSEMBLY
3. Install reduction gear and reduction gear bearing adjusting shim selected in step 2-e on transmission case.
4. Press idler gear bearing inner race on idler gear. 5. Press idler gear on reduction gear.
G Press idler gear until idler gear fully contacts adjusting shim.
6. Tighten idler gear lock nut to the specified torque. Refer to AT646, "OVERHAUL" . G Lock idler gear with parking pawl when tightening lock nut.

7. Measure turning torque of reduction pinion gear.
G When measuring turning torque, turn reduction pinion gear in both directions several times to seat bearing rollers correctly.

Turning torque of reduction pinion gear

: 0.05 - 0.39 N·m (0.5 - 4.0 kg-cm, 0.43 - 3.47 in-lb)

G If turning torque is out of specification, decrease or increase thickness of reduction pinion gear bearing adjusting shim.

8. After properly adjusting turning torque, clinch idler gear lock nut as shown.

[RE4F04B]
A B AT
SAT873DD
D E F G
SAT189F
H I J K
SAT190FA
L M
SAT699D

Revision: December 2006

AT-727

2006 Sentra

ASSEMBLY
OUTPUT SHAFT END PLAY G Measure clearance between side cover and the end of the out-
put shaft bearing. G Select proper thickness of adjusting shim so that clearance is
within specifications.
1. Install bearing retainer for output shaft.
2. Install output shaft thrust needle bearing on bearing retainer.
3. Install output shaft on transmission case.

[RE4F04B]
SAT341D SAT191F SAT438D SAT035F

Revision: December 2006

AT-728

2006 Sentra

ASSEMBLY

4. Measure dimensions " 1 " and " 2 " at side cover and then calculate dimension "A".
G Measure dimension " 1 " and " 2 " in at least two places.

"A"
A= 1 - 2
2

: Distance between transmission case fitting surface and adjusting shim mating surface.
: Height of gauge

5. Measure dimensions " 2 " and " 3 " and then calculate dimension "B".
G Measure " 2 " and " 3 " in at least two places.

"B"

: Distance between the

end of output shaft bear-

ing outer race and the

side cover fitting surface

of transmission case.

B= 2 - 3

: Height of gauge

6. Select proper thickness of adjusting shim so that output shaft end play (clearance between side cover and output shaft bearing) is within specifications.

Output shaft end play (A - B)
Output shaft end play adjusting shims

: 0 - 0.15 mm (0 - 0.0059 in)
: Refer to AT-753, "OUTPUT SHAFT ADJUSTING SHIMS" .

7. Install adjusting shim on output shaft bearing.

Assembly (2)
1. Apply anaerobic liquid gasket to transmission case as shown in illustration. Refer to GI-45, "Recommended Chemical Products and Sealants"

[RE4F04B]
A

AT
SAT374F
D

G
SAT375F
H

SAT440D

ECS0067T
L

SAT441D

Revision: December 2006

AT-729

2006 Sentra

ASSEMBLY
2. Set side cover on transmission case. G Apply locking sealant to the mating surface of transmission case.
3. Tighten side cover fixing bolts to specified torque. Refer to AT646, "OVERHAUL" . G Do not mix bolts A and B. G Always replace bolts A as they are self-sealing bolts.
4. Remove paper rolled around bearing retainer. 5. Install thrust washer on bearing retainer.
G Apply petroleum jelly to thrust washer.

[RE4F04B]
SAT442D AAT850 SAT033F

Revision: December 2006

AT-730

2006 Sentra

ASSEMBLY
6. Install forward clutch assembly. G Align teeth of low & reverse brake drive plates before installing. G Make sure that bearing retainer seal rings are not spread. G If forward clutch assembly is correctly seated, points 1 and 2 are at almost same level.
7. Install thrust needle bearing on bearing retainer. G Apply petroleum jelly to thrust needle bearing. G Pay attention to direction of thrust needle bearing.
8. Install overrun clutch hub. G Apply petroleum jelly to thrust washers. G Align teeth of overrun clutch drive plates before installing.

[RE4F04B]
A

G
SAT194F
H

SAT195F

SAT030F

Revision: December 2006

AT-731

2006 Sentra

ASSEMBLY
9. Hold forward clutch hub and turn rear internal gear. Check overrun clutch hub for correct directions of lock and unlock. G If not shown as illustrated, check installed direction of forward one-way clutch.
10. Install forward clutch hub and rear internal gear assembly. G Align teeth of forward clutch drive plates before installing. G Check that three hooks of thrust washer are correctly aligned after installing.

[RE4F04B]
SAT198F

11. Install rear planetary carrier assembly and rear sun gear according to the following procedures.
a. Install needle bearings on rear planetary carrier. G Apply petroleum jelly to needle bearings. G Pay attention to direction of needle bearings.
b. Install rear sun gear on rear planetary carrier. G Pay attention to direction of rear sun gear.

Revision: December 2006

AT-732

SAT199F
SAT028F
SAT027F
2006 Sentra

ASSEMBLY
c. Install rear planetary carrier on transmission case.
12. Install thrust needle bearing on front planetary carrier, then install them together on transmission case. G Apply petroleum jelly to thrust needle bearing. G Pay attention to direction of thrust needle bearing.
13. Install low and reverse brake piston according to the following procedures.
a. Set and align return springs to transmission case gutters as shown in illustration.
b. Set and align piston with retainer.

[RE4F04B]
A B AT
SAT026F
D E F G
SAT380F
H I J K
SAT322F
L M
SAT323F

Revision: December 2006

AT-733

2006 Sentra

ASSEMBLY
c. Install piston and retainer assembly on the transmission case. G Align bracket to specified gutter as indicated in illustration.

[RE4F04B]

d. Check that each protrusion of piston is correctly set to corresponding return spring as follows. G Push piston and retainer assembly evenly and confirm they move smoothly. G If they can not move smoothly, remove piston and retainer assembly and align return spring correctly as instructed in step "a".
e. Push down piston and retainer assembly and install snap ring.

14. Install low one-way clutch to front planetary carrier by turning carrier in the direction of the arrow shown.

Revision: December 2006

AT-734

SAT324F
SAT325F
SAT326FB
SAT206F
2006 Sentra

ASSEMBLY
15. Install snap ring with screwdriver. G Forward clutch and bearing must be correctly installed for snap ring to fit into groove of transmission case.
16. Install needle bearing on transmission case. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
17. Install bearing race, needle bearing and high clutch hub on front sun gear. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
18. Install needle bearing and high clutch drum on high clutch hub.

[RE4F04B]
A

SAT046D

G
SAT020F
H

K
SAT019F
L

SAT018F

Revision: December 2006

AT-735

2006 Sentra

ASSEMBLY
19. Install needle bearing on high clutch drum. G Apply petroleum jelly to needle bearing. G Pay attention to direction of needle bearing.
20. Remove paper rolled around input shaft. 21. Install input shaft assembly in reverse clutch.
G Align teeth of reverse clutch drive plates before installing.
22. Install reverse clutch assembly on transmission case. G Align teeth of high clutch drive plates before installing.

[RE4F04B]
SAT017F SAT016F

Adjustment (2)
When any parts listed below are replaced, adjust total end play and reverse clutch end play.

Part name
Transmission case Overrun clutch hub Rear internal gear Rear planetary carrier Rear sun gear Front planetary carrier Front sun gear High clutch hub High clutch drum Oil pump cover Reverse clutch drum

Total end play
G G G G G G G G G G --

Reverse clutch end play G G G G G G G G G G G

SAT015F ECS0067U

Revision: December 2006

AT-736

2006 Sentra

TOTAL END PLAY 1. Adjust total end play "T1 ".

ASSEMBLY

a. With original bearing race installed, place Tool onto oil pump. The long ends of legs should be placed firmly on machined surface of oil pump assembly. The gauging cylinder should rest on top of bearing race. Lock gauging cylinder in place with set screw.
b. Install gauging plunger into cylinder.

c. With needle bearing installed on high clutch drum, place Tool legs on machined surface of transmission case (with gasket). Then allow plunger to rest on needle bearing.
d. Measure gap between cylinder and plunger. This measurement should give exact total end play.

Total end play "T1 "

: 0.25 - 0.55 mm (0.0098 - 0.0217 in)

G If end play is out of specification, decrease or increase thickness of bearing race as necessary.

Available bearing race for adjusting total end play

: Refer to AT-753, "BEARING RACE FOR ADJUSTING TOTAL END PLAY" .

Revision: December 2006

AT-737

[RE4F04B]
A B AT D
SAT213F
E F G
SAT214FB
H I J K
SAT215FA
L M
SAT216F
2006 Sentra

ASSEMBLY
2. Adjust reverse clutch drum end play "T2 ".
a. Place Tool on machined surface of transmission case (with gasket). Then allow gauging cylinder to rest on reverse clutch drum. Lock cylinder in place with set screw.
b. Install gauging plunger into cylinder.

[RE4F04B]
SAT218F SAT219FA SAT314F

SAT221F
c. With original thrust washer installed on oil pump, place Tool legs onto machined surface of oil pump assembly. Then allow plunger to rest on thrust washer.
d. Measure gap between cylinder and plunger with feeler gauge. This measurement should give exact reverse clutch drum end play.

Reverse clutch drum end play "T2 "

: 0.55 - 0.90 mm (0.0217 - 0.0354 in)

G If end play is out of specification, decrease or increase thickness of thrust washer as necessary.

Revision: December 2006

AT-738

2006 Sentra

ASSEMBLY

Available thrust washer for adjusting reverse clutch drum end play

: Refer to AT-753, "THRUST WASHERS FOR ADJUSTING REVERSE CLUTCH DRUM END PLAY" .

Assembly (3)
1. Install anchor end pin and lock nut on transmission case.
2. Place brake band on outside of reverse clutch drum. Tighten anchor end pin just enough so that brake band is evenly fitted on reverse clutch drum.

3. Place bearing race selected in total end play adjustment step on oil pump cover. G Apply petroleum jelly to bearing race.
4. Place thrust washer selected in reverse clutch end play step on reverse clutch drum. G Apply petroleum jelly to thrust washer.
5. Install oil pump assembly, baffle plate and gasket on transmission case.
6. Tighten oil pump fixing bolts to the specified torque.

7. Install O-ring to input shaft. G Apply ATF to O-ring.

Revision: December 2006

AT-739

[RE4F04B]
A

B
ECS0067V
AT

F
SAT196F
G H

SAT013F

M
SAT012F

SAT225F
2006 Sentra

ASSEMBLY

8. Adjust brake band. a. Tighten anchor end pin to the specified torque.

Anchor end pin

: Refer to AT-750, "BRAKE BAND" .

b. Back off anchor end pin two and a half turns. c. While holding anchor end pin, tighten lock nut.

Lock nut

: Refer to AT-750, "BRAKE BAND" .

9. Apply compressed air to oil holes of transmission case and check operation of brake band.

10. Install final drive assembly on transmission case.

11. Install differential lubricant tube on converter housing. Tighten differential lubricant tube bolts to the specified torque. Refer to AT-646, "OVERHAUL" .

[RE4F04B]
SAT014FA SAT397D SAT228F SAT063K

Revision: December 2006

AT-740

2006 Sentra

ASSEMBLY
12. Install O-ring on differential oil port of transmission case.
13. Install converter housing on transmission case. G Apply locking sealant to mating surface of converter housing.
G Tighten converter housing bolts to the specified torque. Refer to AT-646, "OVERHAUL" .
14. Install accumulator piston. a. Check contact surface of accumulator piston for damage.

[RE4F04B]
A B AT
SAT235F
D E F G
SAT371H
H I J K
SAT008F
L M
SAT406DA

Revision: December 2006

AT-741

2006 Sentra

ASSEMBLY
b. Install O-rings on accumulator piston. G Apply ATF to O-rings. Accumulator piston O-rings : Refer to AT-747, "O-RING" .

c. Install accumulator pistons and return springs on transmission case.
G Apply ATF to inner surface of transmission case.

Return springs

: Refer to AT-748, "RETURN SPRING" .

15. Install lip seals for band servo oil holes on transmission case. G Apply petroleum jelly to lip seals.

16. Install L & R oil tube and oil sleeve. Tighten L & R oil tube bolts to the specified torque. Refer to AT-646, "OVERHAUL" .

[RE4F04B]
SAT236FA SAT237FA SAT006F SAT862HA

Revision: December 2006

AT-742

2006 Sentra

ASSEMBLY
17. Install control valve assembly. a. Insert manual valve into control valve assembly.
G Apply ATF to manual valve.
b. Set manual shaft in Neutral position. c. Install control valve assembly on transmission case while align-
ing manual valve with manual plate. d. Pass terminal cord assembly connector through transmission
case and install terminal body on transmission case by pushing it. e. Install snap ring to terminal cord assembly connector.
f. Tighten bolts I , X and G.

[RE4F04B]
A B AT
SAT005F
D E F G
SAT094J
H I J K L M
SAT004F

Revision: December 2006

AT-743

2006 Sentra

ASSEMBLY

Bolt length, number and location:

Bolt Bolt length " " Number of bolts

mm (in)

40 (1.57) 33 (1.30)

G 43.5 (1.713)
2

18. Install oil pan. a. Attach a magnet to oil pan. b. Install new oil pan gasket on transmission case.
c. Install oil pan on transmission case. G Always replace oil pan bolts as they are self-sealing bolts.
G Tighten four bolts in a criss-cross pattern to prevent dislocation of gasket.
d. Tighten oil pan bolts and drain plug to the specified torque. Refer to AT-646, "OVERHAUL" .

19. Install park/neutral position (PNP) switch. a. Set manual shaft in P position. b. Temporarily install park/neutral position (PNP) switch on manual
shaft. c. Move selector lever to N position.

d. Use a 4 mm (0.16 in) pin for this adjustment. i. Insert the pin straight into the manual shaft adjustment hole. ii. Rotate park/neutral position (PNP) switch until the pin can also
be inserted straight into hole in park/neutral position (PNP) switch. e. Tighten park/neutral position (PNP) switch fixing bolts. Refer to AT-646, "OVERHAUL" . f. Remove pin from adjustment hole after adjusting park/neutral position (PNP) switch.
20. Install A/T fluid charging pipe and fluid cooler tube to transmission case. Tighten A/T fluid charging pipe and fluid cooler tube bolts to the specified torque. Refer to AT-646, "OVERHAUL" .

Revision: December 2006

AT-744

[RE4F04B]
SAT003F SAT033J AAT469A SAT768J
2006 Sentra

ASSEMBLY
21. Install torque converter. a. Pour ATF into torque converter.
G Approximately 1 liter (1-1/8 US qt, 7/8 Imp qt) of fluid is required for a new torque converter.
G When reusing old torque converter, add the same amount of fluid as was drained.
b. Install torque converter while aligning notches of torque converter with notches of oil pump.

c. Measure distance "A" to check that torque converter is in proper position.

Distance A

: 14 mm (0.55 in) or more

[RE4F04B]
A

AT
SAT428DA
D

G
SAT429D
H

SAT430D

Revision: December 2006

AT-745

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS) General Specifications

[RE4F04B]
PFP:00030
ECS0067W

Engine

QR25DE

Automatic transaxle model

RE4F04B

Automatic transaxle assembly

Model code number

85X63

1st

2.785

2nd

1.545

3rd Transaxle gear ratio
4th

1.000 0.694

Reverse

2.272

Final drive

4.087

Recommended fluid

Nissan Matic "D" (Continental U.S. and Alaska) or Canada Nissan Automatic Transmission Fluid*

Fluid capacity (US qt, Imp qt)

8.5 (9, 7.5)

*: Refer to MA-13, "RECOMMENDED FLUIDS AND LUBRICANTS" .

Shift Schedule
VEHICLE SPEED WHEN SHIFTING GEARS THROTTLE POSITION

ECS0067X

Throttle position

Shift pattern

D1 D2

D2 D3

Vehicle speed km/h (MPH)

D3 D4

D4 D3

D3 D2

D2 D1

Full throttle

Comfort Auto power

52 - 60 (32 - 37)
52 - 60 (32 - 37)

97 - 105 (60 - 66)
97 - 105 (60 - 66)

153 - 161 (95 - 100)
153 - 161 (95 - 100)

149 - 157 (93 - 98)
149 - 157 (93 - 98)

87 - 95 (41 - 54)
87 - 95 (41 - 54)

41 - 49 (25 - 30)
41 - 49 (25 - 30)

Half throttle

Comfort Auto power

37 - 45 (23 - 28)
39 - 47 (24 - 29)

67 - 75 (42 - 47)
73 - 81 (45 - 50)

119 - 127 (74 - 79)
119 - 127 (74 - 79)

90 - 98 (56 - 61)
90 - 98 (56 - 61)

39 - 47 (24 - 27)
46 - 54 (26 - 34)

24 - 32 (15 - 20)
24 - 32 (15 - 20)

VEHICLE SPEED WHEN PERFORMING AND RELEASING LOCK-UP

Unit: km/h (MPH)

Selector lever position

D4 (O/D ON) position

D3 (O/D OFF) position

Shift pattern

Comfort

Auto power

Comfort

Auto power

Lock-up "ON"

62 - 70 (38 - 43)

86 - 94 (53 - 58)

Lock-up "OFF"

51 - 59 (31 - 36)

83 - 91 (52 - 57)

NOTE: G Lock-up vehicle speed indicates the speed in D4 (O/D ON) position. G Perform lock-up inspection after warming up engine. G Lock-up vehicle speed may vary depending on the driving conditions and circumstances.

Stall Revolution

ECS0067Y

Engine QR25DE

Stall revolution rpm
2,350 - 2,800

Revision: December 2006

AT-746

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

Line Pressure
Engine speed rpm
Idle Stall

Line pressure kPa (kg/cm2 , psi)

D, 2 and 1 positions

R position

500 (5.1, 73)

778 (7.9, 113)

1,223 (12.6, 179)

1,918 (19.6, 278)

ECS0067Z
A
B

Control Valves
CONTROL VALVE AND PLUG RETURN SPRINGS

AT ECS00680
Unit: mm (in)

Parts

Part No.*

Item Free length

D
Outer diameter

23 Pilot valve spring 7 1-2 accumulator valve spring

31742-80L13 31742-80L15

38.98 (1.535) 20.5 (0.807)

8.9 (0.350)

6.95 (0.274)

Upper body

28 1-2 accumulator piston spring 33 1st reducing valve spring 35 3-2 timing valve spring 18 Overrun clutch reducing valve spring 16 Torque converter relief valve spring 11 Torque converter clutch control valve

31742-80L14 31742-80L08 31736-01X00 31742-80L09 31742-80L10 31742-80L16

55.26 (2.176) 27.0 (1.063) 23.0 (0.906) 37.5 (1.476) 31.0 (1.220) 56.98 (2.243)

19.6 (0.772)

7.0 (0.276)

6.65 (0.262)

6.9 (0.272)

9.0 (0.354)

6.5 (0.256)

3 Cooler check valve spring 15 Pressure regulator valve spring

31742-85X01 31742-80L01

29.4 (1.157) 45.0 (1.772)

6.0 (0.236)

15.0 (0.591)

Lower body

20 Overrun clutch control valve spring 24 Accumulator control valve spring 29 Shift valve A spring 32 Shuttle valve spring 12 Shift valve B spring 7
Pressure modifier valve spring 3 -- Oil cooler relief valve spring

31762-80L00 31742-80L02 31762-80L00 31762-41X04 31762-80L00 31742-80L13 31742-80L04 31742-80L12

21.7 (0.854) 22.0 (0.866) 21.7 (0.854) 51.0 (2.008) 21.7 (0.854) 30.5 (1.201) 32.0 (1.260) 17.02 (0.670)

7.0 (0.276)

6.5 (0.256)

7.0 (0.276)

5.65 (0.222)
J
7.0 (0.276)

9.8 (0.386)

6.9 (0.272)

8.0 (0.315)

*: Always check with the Parts Department for the latest parts information.
Accumulator
O-RING

Accumulator Servo release accumulator

Part No.* 31526-41X03

Inner diameter (Small)
26.9 (1.059)

Part No.* 31526-41X02

L
ECS00681
Unit: mm (in)
M
Inner diameter (Large)
44.2 (1.740)

N-D accumulator

31526-31X08

34.6 (1.362)

*: Always check with the Parts Department for the latest parts information.

31672-21X00

39.4 (1.551)

Revision: December 2006

AT-747

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

RETURN SPRING

Unit: mm (in)

Accumulator

Part number*

Free length

Outer diameter

Servo release accumulator

31605-85X00

62.8 (2.473)

21 (0.827)

N-D accumulator

31605-80L03

43.5 (1.713)

28.0 (1.102)

*: Always check with the Parts Department for the latest parts information.

Clutch and Brakes
REVERSE CLUTCH

ECS00682

Model code number

85X63

Number of drive plates

Number of driven plates

Standard Drive plate thickness mm (in)
Allowable limit

1.6 (0.063) 1.4 (0.055)

Driven plate thickness mm (in) Standard

1.8 (0.070)

Clearance mm (in)

Standard Allowable limit

0.5 - 0.8 (0.020 - 0.031) 1.2 (0.047)

Thickness mm (in)

Part number*

Thickness of retaining plates

6.6 (0.260) 6.8 (0.268) 7.0 (0.276) 7.2 (0.283) 7.4 (0.291) 7.6 (0.299) 7.8 (0.307)

31537-80L00 31537-80L01 31537-80L02 31537-80L03 31537-80L04 31537-80L05 31537-80L06

*: Always check with the Parts Department for the latest parts information.

HIGH CLUTCH

Model code number

85X63

Number of drive plates

Number of driven plates

7*2 + 1*3

Standard Drive plate thickness mm (in)
Allowable limit

1.6 (0.063) 1.4 (0.055)

Driven plate thickness mm (in) Standard

*2 1.4 (0.055)

*3 2.0 (0.079)

Clearance mm (in)

Standard Allowable limit

1.8 - 2.2 (0.071 - 0.087) 2.8 (0.110)

Thickness mm (in)

Part number*

Thickness of retaining plates

3.2 (0.126) 3.4 (0.134) 3.6 (0.142) 3.8 (0.150) 4.0 (0.157)

31537-80L20 31537-80L21 31537-80L22 31537-80L23 31537-80L24

*: Always check with the Parts Department for the latest parts information.

FORWARD CLUTCH

Model code number

85X63

Number of drive plates

Number of driven plates

Standard Drive plate thickness mm (in)
Allowable limit

1.6 (0.063) 1.4 (0.055)

Revision: December 2006

AT-748

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

Driven plate thickness mm (in) Clearance mm (in)

Standard Standard Allowable limit

1.8 (0.071)
A
0.45 - 0.85 (0.0177 - 0.0335)
1.85 (0.0728)

Thickness mm (in)

Thickness of retaining plates

3.2 (0.126) 3.4 (0.134) 3.6 (0.142) 3.8 (0.150) 4.0 (0.157) 4.2 (0.165) 4.4 (0.173)

*: Always check with the Parts Department for the latest parts information.

Part number*

31537-80L18

31537-80L17

31537-80L12 31537-80L13

31537-80L14

31537-80L15

31537-80L16

OVERRUN CLUTCH
Model code number Number of drive plates

E
85X63 3

Number of driven plates Drive plate thickness mm (in) Driven plate thickness mm (in)

Standard Allowable limit Standard

1.6 (0.063)

1.4 (0.055)

1.8 (0.071)

Clearance mm (in)

Standard Allowable limit

0.7 - 1.1 (0.028 - 0.043)

1.7 (0.067)

Thickness mm (in)

Part number*

Thickness of retaining plates *: Always check with the Parts Department for the latest parts information.

3.0 (0.118) 3.2 (0.126) 3.4 (0.134) 3.6 (0.142) 3.8 (0.150)

31537-80L07

31537-80L08

31537-80L09

31537-80L10

31537-80L11

LOW & REVERSE BRAKE
Model code number

85X63

Number of drive plates

Number of driven plates Drive plate thickness mm (in) Driven plate thickness mm (in) Clearance mm (in)

Standard Allowable limit Standard Standard Allowable limit

6
L
1.8 (0.071)

1.6 (0.063)

1.8 (0.071)

1.7 - 2.1 (0.067 - 0.083)

3.3 (0.130)

Thickness mm (in)

Part number*

Thickness of retaining plates

2.0 (0.079) 2.2 (0.087) 2.4 (0.094) 2.6 (0.102) 2.8 (0.110) 3.0 (0.118) 3.2 (0.126) 3.4 (0.134)

31667-80L00 31667-80L01 31667-80L02 31667-80L03 31667-80L04 31667-80L05 31667-80L06 31667-80L07

*: Always check with the Parts Department for the latest parts information.

Revision: December 2006

AT-749

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

CLUTCH AND BRAKE RETURN SPRINGS

Unit: mm (in)

Parts

Part number*

Forward clutch (Overrun clutch) (22 pcs)

31505-80L00

High clutch (10 pcs)

31505-80L02

Low & reverse brake (24 pcs)

31505-80L01

*: Always check with the Parts Department for the latest parts information.

Free length 21.4 (0.843) 22.5 (0.886) 24.1 (0.949)

Outer diameter 10.3 (0.406) 10.8 (0.425) 6.6 (0.260)

BRAKE BAND

Anchor end pin tightening torque N-m (kg-m, in-lb) Number of returning revolutions for anchor end pin Lock nut tightening torque N-m (kg-m, ft-lb)

4.0 - 5.8 (0.4 - 0.6, 36 - 52) 2.5
31 - 36 (3.2 - 3.7, 23 - 27)

Final Drive
DIFFERENTIAL SIDE GEAR CLEARANCE

ECS00683

Clearance between side gear and differential case with washer mm (in)

0.1 - 0.2 (0.004 - 0.008)

DIFFERENTIAL SIDE GEAR THRUST WASHERS

Thickness mm (in)
0.75 (0.0295) 0.80 (0.0315) 0.85 (0.0335) 0.90 (0.0354) 0.95 (0.0374)
*: Always check with the Parts Department for the latest parts information.

Part number*
38424-81X00 38424-81X01 38424-81X02 38424-81X03 38424-81X04

DIFFERENTIAL SIDE BEARING PRELOAD ADJUSTING SHIMS

Thickness mm (in)
0.48 (0.0189) 0.52 (0.0205) 0.56 (0.0220) 0.60 (0.0236) 0.64 (0.0252) 0.68 (0.0268) 0.72 (0.0283) 0.76 (0.0299) 0.80 (0.0315) 0.84 (0.0331) 0.88 (0.0346) 0.92 (0.0362)
*: Always check with the Parts Department for the latest parts information.

Part number*
31438-80X00 31438-80X01 31438-80X02 31438-80X03 31438-80X04 31438-80X05 31438-80X06 31438-80X07 31438-80X08 31438-80X09 31438-80X10 31438-80X11

BEARING PRELOAD

Differential side bearing preload mm (in)

0.05 - 0.09 (0.0020 - 0.0035)

TURNING TORQUE

Turning torque of final drive assembly N-m (kg-cm, in-lb)

0.78 - 1.37 (8.0 - 14.0, 6.9 - 12.2)

Planetary Carrier and Oil Pump
PLANETARY CARRIER

ECS00684

Clearance between planetary carrier and pinion washer mm (in)

Standard Allowable limit

0.20 - 0.70 (0.0079 - 0.0276) 0.80 (0.0315)

Revision: December 2006

AT-750

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

OIL PUMP

Oil pump side clearance mm (in)

0.030 - 0.050 (0.0012 - 0.0020)

Inner gear

Thickness mm (in)

Part number*

Thickness of inner gears and outer gears

11.99 - 12.0 (0.4720 - 0.4724) 11.98 - 11.99 (0.4717 - 0.4720) 11.97 - 11.98 (0.4713 - 0.4717)
Outer gear

31346-80L00 31346-80L01 31346-80L02

Thickness mm (in)

Part number*

11.99 - 12.0 (0.4720 - 0.4724) 11.98 - 11.99 (0.4717 - 0.4720) 11.97 - 11.98 (0.4713 - 0.4717)

31347-80L00 31347-80L01 31347-80L02

Clearance between oil pump housing and outer gear mm (in)

Standard Allowable limit

0.111 - 0.181 (0.0044 - 0.0071) 0.181 (0.0071)

Oil pump cover seal ring clearance mm (in)

Standard Allowable limit

0.1 - 0.25 (0.0039 - 0.0098) 0.25 (0.0098)

*: Always check with the Parts Department for the latest parts information.

Input Shaft
SEAL RING CLEARANCE

A B AT D E F G
ECS00685

Input shaft seal ring clearance mm (in)

Standard Allowable limit

0.08 - 0.23 (0.0031 - 0.0091)

0.23 (0.0091)

SEAL RING
Outer diameter mm (in)

Inner diameter mm (in)

Width mm (in)

Part number*

26 (1.024)

22.4 (0.882)

1.971 (0.078)

31525-80X02

*: Always check with the Parts Department for the latest parts information.
Reduction Pinion Gear
TURNING TORQUE
Turning torque of reduction pinion gear N-m (kg-cm, in-lb)

0.05 - 0.39 (0.5 - 4.0, 0.43 - 3.47)

J
ECS00686
K

REDUCTION PINION GEAR BEARING ADJUSTING SHIMS

NO.

Thickness mm (in)

Part number

NO.

Thickness mm (in)

Part number*

5.00 (0.1969)

31439-81X00

5.34 (0.2102)

31439-81X17

5.02 (0.1976)

5.04 (0.1984)

31439-81X01

5.36 (0.2110)

31439-81X02

5.38 (0.2118)

31439-81X18
M
31439-81X19

5.06 (0.1992)

31439-81X03

5.40 (0.2126)

31439-81X20

5.08 (0.2000)

31439-81X04

5.42 (0.2134)

31439-81X21

5.10 (0.2008)

31439-81X05

5.44 (0.2142)

31439-81X22

5.12 (0.2016)

31439-81X06

5.46 (0.2150)

31439-81X23

5.14 (0.2024)

31439-81X07

5.48 (0.2157)

31439-81X24

5.16 (0.2031)

31439-81X08

5.50 (0.2165)

31439-81X46

5.18 (0.2039)

31439-81X09

5.52 (0.2173)

31439-81X47

5.20 (0.2047)

31439-81X10

5.54 (0.2181)

31439-81X48

5.22 (0.2055)

31439-81X11

5.56 (0.2189)

31439-81X49

5.24 (0.2063)

31439-81X12

5.58 (0.2197)

31439-81X60

5.26 (0.2071)

31439-81X13

5.60 (0.2205)

31439-81X61

5.28 (0.2079)

31439-81X14

5.62 (0.2213)

31439-81X62

Revision: December 2006

AT-751

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

NO.

Thickness mm (in)

Part number

NO.

5.30 (0.2087)

31439-81X15

5.32 (0.2094)

31439-81X16

5.68 (0.2236)

31439-81X65

5.70 (0.2244)

31439-81X66

5.72 (0.2252)

31439-81X67

5.74 (0.2260)

31439-81X68

5.76 (0.2268)

31439-81X69

5.78 (0.2276)

31439-81X70

5.80 (0.2283)

31439-81X71

5.82 (0.2291)

31439-81X72

5.84 (0.2299)

31439-81X73

5.86 (0.2307)

31439-81X74

4.60 (0.1811)

31439-85X05

4.62 (0.1819)

31439-85X06

4.64 (0.1827)

31439-85X07

4.66 (0.1835)

31439-85X08

4.68 (0.1843)

31439-85X09

*: Always check with the Parts Department for the latest parts information.

Thickness mm (in) 5.64 (0.2220) 5.66 (0.2228) 4.70 (0.1850) 4.72 (0.1858) 4.74 (0.1866) 4.76 (0.1874) 4.78 (0.1882) 4.80 (0.1890) 4.82 (0.1898) 4.84 (0.1906) 4.86 (0.1913) 4.88 (0.1921) 4.90 (0.1929) 4.92 (0.1937) 4.94 (0.1945) 4.96 (0.1953) 4.98 (0.1961)

Part number* 31439-81X63 31439-81X64 31439-83X10 31439-83X11 31439-83X12 31439-83X13 31439-83X14 31439-83X15 31439-83X16 31439-83X17 31439-83X18 31439-83X19 31439-83X20 31439-83X21 31439-83X22 31439-83X23 31439-83X24

Band Servo
RETURN SPRING

ECS00687
Unit: mm (in)

Return spring

Part number*

2nd servo return spring

31605-80L05

OD servo return spring

31605-80L06

*: Always check with the Parts Department for the latest parts information.

Free length 32.5 (1.280) 62.6 (2.465)

Outer diameter 25.9 (1.020) 21.7 (0.854)

Output Shaft
SEAL RING CLEARANCE

ECS00688

Output shaft seal ring clearance mm Standard

(in)

Allowable limit

0.10 - 0.25 (0.0039 - 0.0098) 0.25 (0.0098)

SEAL RING

Outer diameter mm (in)

Inner diameter mm (in)

33.71 (1.327)

30.25 (1.191)

*: Always check with the Parts Department for the latest parts information.

Width mm (in) 1.95 (0.077)

Part number* 31525-80809

END PLAY

Output shaft end play mm (in)

0 - 0.15 (0 - 0.0059)

Revision: December 2006

AT-752

2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS)

[RE4F04B]

OUTPUT SHAFT ADJUSTING SHIMS
Thickness mm (in)

Part number*

0.80 (0.0315) 0.84 (0.0331) 0.88 (0.0346) 0.92 (0.0362) 0.96 (0.0378) 1.00 (0.0394) 1.04 (0.0409) 1.08 (0.0425) 1.12 (0.0441) 1.16 (0.0457) 1.20 (0.0472)

31438-80X60

31438-80X61

31438-80X62

31438-80X63

31438-80X64

31438-80X65

31438-80X66

31438-80X67

31438-80X68

31438-80X69

31438-80X70

*: Always check with the Parts Department for the latest parts information.

Bearing Retainer
SEAL RING CLEARANCE

ECS00689

Bearing retainer seal ring clearance mm (in)

Standard Allowable limit

0.10 - 0.30 (0.0039 - 0.0118)
F
0.30 (0.0118)

Total End Play
Total end play mm (in)

0.25 - 0.55 (0.0098 - 0.0217)

ECS0068A
G

BEARING RACE FOR ADJUSTING TOTAL END PLAY
Thickness mm (in)
0.8 (0.031) 1.0 (0.039) 1.2 (0.047) 1.4 (0.055) 1.6 (0.063) 1.8 (0.071) 2.0 (0.079) 0.9 (0.035) 1.1 (0.043) 1.3 (0.051) 1.5 (0.059) 1.7 (0.067) 1.9 (0.075)
*: Always check with the Parts Department for the latest parts information.
Reverse Clutch End Play
Reverse clutch end play mm (in)

Part number*
31435-80X00 31435-80X01 31435-80X02 31435-80X03 31435-80X04 31435-80X05 31435-80X06 31435-80X09 31435-80X10 31435-80X11 31435-80X12 31435-80X13 31435-80X14
0.55 - 0.90 (0.0217 - 0.0354)

H
I J K L
ECS0068B
M

THRUST WASHERS FOR ADJUSTING REVERSE CLUTCH DRUM END PLAY

Thickness mm (in)

Part number*

0.80 (0.0315) 0.95 (0.0374) 1.10 (0.0433) 1.25 (0.0492) 1.40 (0.0551) 1.55 (0.0610) 1.70 (0.0669) 1.85 (0.0728)

31508-80X13 31508-80X14 31508-80X15 31508-80X16 31508-80X17 31508-80X18 31508-80X19 31508-80X20

*: Always check with the Parts Department for the latest parts information.

Removal and Installation

Distance between end of converter housing and torque converter

Revision: December 2006

AT-753

14 (0.55)

ECS0068C
Unit: mm (in)
2006 Sentra

SERVICE DATA AND SPECIFICATIONS (SDS) Shift Solenoid Valves

[RE4F04B]
ECS0068D

Gear position Shift solenoid valve A Shift solenoid valve B

1 ON (Closed) ON (Closed)

2 OFF (Open) ON (Closed)

3 OFF (Open) OFF (Open)

4 ON (Closed) OFF (Open)

Solenoid Valves

ECS0068E

Solenoid valves Shift solenoid valve A Shift solenoid valve B Overrun clutch solenoid valve Line pressure solenoid valve Torque converter clutch solenoid valve

Resistance (Approx.) 20 - 30 5 - 20 20 - 30 2.5 - 5 5 - 20

Terminal No. 2 1 3 4 5

A/T Fluid Temperature Sensor

Remarks: Specification data are reference values.

Monitor item

Condition

A/T fluid temperature sensor

Cold [20°C (68°F)]
Hot [80°C (176°F)]

Specification (Approximately)

1.5V
0.5V

2.5 k
0.3 k

ECS0068F

Revolution Sensor

ECS0068G

Condition
When moving at 20 km/h (12 MPH), use the CONSULT-II pulse frequency measuring function.*1 CAUTION: Connect the diagnosis data link cable to the vehicle diagnosis connector. *1: A circuit tester cannot be used to test this item.
When vehicle is parked.

Judgement standard 450 Hz (Approx.)
Under 1.3V or over 4.5V

Dropping Resistor

ECS0068H

Resistance

Approx. 12

Turbine Revolution Sensor

ECS0068I

Judgement standard 240 Hz (Approx.)
Under 1.3V or over 4.5V

Revision: December 2006

AT-754

2006 Sentra

FrameMaker SGML 5.5.6p145 Acrobat Distiller 4.05 for Windows