Manuals+

Toyota Vehicle Electrical Diagrams and Component Locations

Body Component Locations

This section details the location of specific ECUs within the vehicle body for different cab configurations.

Single Cab

Components shown:

Extra Cab

Components shown:

Double Cab

Components shown:

Engine Compartment Component Locations

This section illustrates the location of various electronic control units (ECUs) and related components within the engine compartment for Left-Hand Drive (LHD) and Right-Hand Drive (RHD) vehicles.

LHD Configuration

Components shown:

RHD Configuration

Components shown:

Front Fender Apron LH - Fuse and Relay Boxes

Diagrams showing the layout of fuse and relay units located in the Front Fender Apron LH.

Unit A

Contains the following relays:

Unit B

Contains the following relays:

Unit C

Indicated as part of the fuse/relay box system.

Key: 1: Engine Room R/B, 2: Engine Room J/B

Notes: *1, *2, *3 refer to specific engine types or systems (e.g., 1GR-FE, 1GD-FTV, 2GD-FTV w/ Stop & Start System).

Unit A - Top View and Fuse Details

The top view of Unit A shows the arrangement of fuses and relays. The following fuses are detailed with their ratings and functions:

Fuse No. Rating Function
150AABS NO.1
230AABS NO.2
330AR/B I/P-ALT
450AR/B FLOOR-ALT
530AP/SEAT (*26)
30AP/SEAT(D) (*27)
630APTC HTR NO.2
950APTC HTR NO.1
1030AH-LP CLN
1130ACDS FAN/PTC HTR NO.3
12140AALT
1380AGLOW
1460AJ/B-B
1540ABBC NO.3
1640ABBC NO.1
1730AST NO.1 (1GR-FE, 1TR-FE, 2TR-FE)
50AST NO.1 (1GD-FTV, 2GD-FTV, 1KD-FTV, 2KD-FTV, 5L-E)
1950AAIR PMP (w/ Air Injection Control Driver)
50ADCU-MAIN (w/ Urea Pump Control ECU)
2040AH-LP MAIN
2120AA/F HTR (1GR-FE, 1TR-FE, 2TR-FE)
25AEDU (1GD-FTV, 2GD-FTV, 1KD-FTV, 2KD-FTV, 5L-E)
2210ASTRG LOCK/AM2 NO.1
2515AINJ (1GR-FE, 1TR-FE, 2TR-FE)
30AST NO.2 (2GD-FTV w/ Stop & Start System)
26Before Aug. 2017 Production
27From Aug. 2017 Production
2810ASTOP (*26)
10ASTRG HTR (*27)

Additionally, Unit A contains circuits for:

Unit A - Connector Views

Shows back views of Unit A with connectors labeled 1A and 1B, originating from the Engine Room Main Wire.

Unit B - Fuse and Relay Layout

Details the fuse and relay configurations for Unit B, varying by engine type.

For 1GR-FE, 1TR-FE, 2TR-FE Engines:

For 1GD-FTV, 2GD-FTV, 1KD-FTV, 2KD-FTV, 5L-E Engines:

Engine Room R/B and Engine Room J/B Inner Circuit Diagrams

Detailed wiring diagrams illustrating the internal circuits of the Engine Room Relay Boxes (R/B) and Junction Blocks (J/B).

Notes:

Unit A Circuit Details

Illustrates connections for various fuses and relays within Unit A, including:

Unit C Circuit Details

Illustrates connections for:

Unit B Circuit Details

Illustrates connections for:

Instrument Panel J/B Assembly - Cowl Side Panel LH

Diagrams showing the Instrument Panel Junction Block (J/B) Assembly located on the Cowl Side Panel LH.

Views A, B, and C

These views illustrate the physical arrangement of the assembly and highlight the Body ECU.

View A - Connector Details

Shows connectors and their wiring originating from the Engine Room Main Wire (e.g., 2R for RHD, 2A for LHD) and Floor Wire (e.g., 2L, 2M, 2D). Also shows other connectors like 2K, 2C, 2B.

View B - Connector Details

Shows connectors and their wiring originating from the Instrument Panel Wire (e.g., 2F, 2Q, 2J, 2P, 2N, 2G, 2E, 2H).

View C - Fuse Layout

Details the fuses located in View C of the assembly, including:

Notes: Includes references to engine types (1GR-FE, 1GD-FTV, etc.) and system variations (e.g., *1, *2, *3, *4).

Instrument Panel J/B Assembly - Inner Circuit Diagrams

Detailed wiring diagrams for the Instrument Panel J/B Assembly.

Key Relays and Circuits

Illustrates connections for EFI-MAIN NO.1 Relay, EFI-MAIN NO.2 Relay, C/OPN NO.1 Relay, and various fuses.

Fuses include: 25A EFI-MAIN NO.1, 25A EFI-MAIN NO.2, 10A EFI NO.1, 10A TURN&HAZ, 10A ETCS, 30A AM2 NO.2, 25A DOOR NO.2, 25A DOOR R/L, 25A DOOR R/R, 30A DOOR NO.1.

Power Window Circuits: Includes circuits related to power windows, with notes on jam protection (Driver's Door Only, All Door Jam Protection, w/o Jam Protection).

Additional Circuits

Covers fuses such as 10A TAIL, 10A FOG FR/DRL, 10A OBD, 10A ECU-ALT NO.2, 40A AM1, 40A HTR, 25A WIPER, 15A WASHER, 10A IG1 NO.4, 10A IG1 NO.1, 10A IG1 NO.2, 15A P/OUTLET NO.1, 10A SFT LOCK-ACC, and ACC Relay.

Body ECU Connections

Detailed pinout diagrams for the Body ECU, showing connections to various signals and components:

Instrument Panel Component Locations

Illustrations showing the placement of various electronic components within the instrument panel area.

LHD Configuration

Components shown include:

Notes: *1: Refer to Service Bulletin for installation position; *2: With Entry & Start System; *3: Without Entry & Start System.

RHD Configuration

Similar components are shown for the RHD configuration, including:

Notes: *1: Refer to Service Bulletin for installation position; *2: With Entry & Start System; *3: Without Entry & Start System.

No. 4 CAN Junction Connector

Details regarding the No. 4 CAN Junction Connector, including its location and interchangeability.

Connector Views

Shows connector types G135, G132, and G133, all labeled 'White'.

Note: G132, G133, and G135 are interchangeable.

Inner Circuit Diagram

Illustrates the internal wiring for G132(A), G133(B), and G135(D) as the No. 4 CAN Junction Connector.

R/B Assembly No. 3 - Component Locations and Inner Circuit

Details the relays and their internal circuits for R/B Assembly No. 3.

Component Locations (LHD/RHD)

Shows the arrangement of the following relays:

Inner Circuit Diagram

Illustrates the internal wiring connections for each of the relays listed above.

R/B Assembly No. 4 - Component Locations and Inner Circuit

Details the relays and their internal circuits for R/B Assembly No. 4.

Component Locations (LHD/RHD)

Shows the arrangement of the following relays:

Notes: Includes references to ECU-IG2/C/OPN NO.2, production dates (Before Aug. 2017, From Aug. 2017), and S/HTR variations.

Inner Circuit Diagram

Illustrates the internal wiring connections for each of the relays listed above.

R/B Assembly No. 5 - Component Locations and Inner Circuit

Details the relays and their internal circuits for R/B Assembly No. 5.

Component Locations (LHD/RHD)

Shows the arrangement of the following relays:

Inner Circuit Diagram

Illustrates the internal wiring connections for each of the relays listed above.

R/B Assembly No. 6 - Component Locations and Inner Circuit

Details the relays and their internal circuits for R/B Assembly No. 6.

Component Locations (LHD)

Shows the arrangement of the following relays:

Also lists associated fuses: 25A DCU NO.1, 20A DCU NO.2, 20A NOX PM, 7.5A DCU-B, 10A DEF-S, 10A FOG RR, 15A DEICER, 25A DEF.

Inner Circuit Diagram

Illustrates the internal wiring connections for each of the relays listed above.

Seat Component Location

Diagram showing the location of occupant detection sensors.

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