KONNWEI KW350 User's Manual

1. Safety Precautions and Warnings

To prevent personal injury or damage to vehicles and/or the scan tool, read this instruction manual first and observe the following safety precautions at a minimum whenever working on a vehicle:

1. Always perform automotive testing in a safe environment.
2. Wear safety eye protection that meets ANSI standards.
3. Keep clothing, hair, hands, tools, test equipment, etc. away from all moving or hot engine parts.
4. Operate the vehicle in a well-ventilated work area: Exhaust gases are poisonous.
5. Put blocks in front of the drive wheels and never leave the vehicle unattended while running tests.
6. Use extreme caution when working around the ignition coil, distributor cap, ignition wires, and spark plugs. These components create hazardous voltages when the engine is running.
7. Put the transmission in PARK (for automatic transmission) or NEUTRAL (for manual transmission) and make sure the parking brake is engaged.
8. Keep a fire extinguisher any test equipment while the ignition is on or the engine is running.
9. Keep the scan tool dry, clean, free from oil/water or grease. Use a mild detergent on a clean cloth to clean the outside of the scan tool when necessary.

2. Description

The KONNWEI KW350 is a diagnostic tool with the following indicators and controls:

• [Green Light]: Indicates no fault code.
• [Yellow Light]: Indicates pending fault code.
• [Red Light]: Indicates permanent fault code.
• [ESC Button]: Exit the current program or return to the previous menu.
• [ENTER Button]: Confirms a selection (or action) from a menu list.
• [UP Button]: Move cursor up selection.
• [DOWN Button]: Move cursor down selection.
• [DB-15 CONNECTOR]: Connects the tool to the vehicle's DLC (Data Link Connector) via the diagnostic cable.
• [LCD Display]: Indicates test results.

2.1 Specifications

• Display: Backlit 128 x 64 pixel display with contrast adjustment.
• Operating Temperature: -10 to 50°C (14 to 122°F).
• Storage Temperature: -20 to 70°C (-4 to 158°F).
• External Power: 8.0 to 18.0V, provided via vehicle battery.
• Dimensions: Length: 127mm (5'), Width: 78mm (3'), Height: 21mm (0.8').
• Weight: NW: 0.23kg (0.50 lb), GW: 0.34kg (0.74 lb).

2.2 Package Included:

1. Scan Tool
2. User Manual
3. USB Cable
4. Nylon Bag

3. Connection and Settings

3.1 Location of the Data Link Connector (DLC)

The DLC (Data Link Connector or Diagnostic Link Connector) is typically a 16-pin connector where diagnostic code readers interface with the vehicle's on-board computer. The DLC is usually located approximately 12 inches from the center of the instrument panel (dash), under or around the driver's side for most vehicles. If the Data Link Connector is not located under the dashboard, a label should be present to indicate its location. For some Asian and European vehicles, the DLC is located behind the ashtray, and the ashtray must be removed to access the connector. If the DLC cannot be found, refer to the vehicle's service manual for the location.

[Diagram showing a car interior with the DLC location indicated as 'NEAR CENTER OF DASH']

3.2 Connection

1. Turn the ignition off.
2. Locate the vehicle's DLC socket. Refer to Figure 3-1 for typical locations. If no DLC is found, please refer to the Automobile Repair Manual.
3. Plug one end of the diagnostic cable into the DB15 connector of the tool, and connect the other end of the diagnostic cable into the vehicle's DLC.
4. Turn the ignition on. The engine can be off or running.
5. The system starts initializing and then automatically enters the main menu interface.

[Screenshot of the tool's main menu: VW/AUDI/SEAT/SKODA, OBD Diagnostic, System Setup, Tool Information]

CAUTION: Do not connect or disconnect any test equipment with the ignition on or engine running.

3.3 Settings

Select [System Setup] in the Main Menu and press [ENTER]. The system will enter the following screen:

[Screenshot of System Setup menu: Language, Contrast, Unit Of Measure, Beep Set, Tool Self-test]

• Language: Enables setting the user interface language.
• Contrast: Used to set LCD contrast.
• Unit of measure: Allows setting the measurement unit.
• Beep Set: Used to set the buzzer On/Off.
• Tool Self-test: Allows testing the tool's functions.

4. Diagnose

Select [OBD Diagnostics] in the Main Menu and press [ENTER]. The system will display "loading program, please wait" and then enter the following screen:

[Screenshot of OBD Diagnostics menu: Diagnostics, DTC Lookup, Review Data, Print Data]

4.1 OBDII/EOBD Diagnostics

This option provides a quick way to check for DTCs, isolate the cause of the illuminated Malfunction Indicator Lamp (MIL), check monitor status prior to emissions certification testing, verify repairs, and perform other emission-related services.

In Figure 3-4, select [Diagnostics] and then press [ENTER]. The system will enter the following screen:

[Screenshot showing 'Linking to Vehicle', CAN11 500K, 'Waiting for vehicle to respond']

When connected to the car ECU communication, the system will enter the following screen:

[Screenshot of Diagnostics menu: 'Erase Previously Stored data to save data from this test?' with YES/NO options]

In Figure 3-6, select [YES] to erase previously stored data, or select [NO] to not erase previously stored data. The system will then enter the following screen:

[Screenshot of System Status: MIL Status OFF, Codes Found 0, Monitors N/A 5, Monitors OK 3, Monitors INC 3]

After a moment, a screen similar to Figure 3-7 will appear:

[Screenshot of Diagnostic Menu: Read Codes, Erase Codes, Live Data, View Freeze Frame, I/M Readiness, O2 Monitor Test]

This menu includes the following functions:

1. Read Codes: Used to identify which section of the emission control system has malfunctioned.
2. Erase Codes: After reading retrieved codes and performing repairs, this function erases codes from the vehicle.

   NOTES:

   • A. Before performing this function, make sure to retrieve and record the trouble codes.
   • B. After clearing, retrieve trouble codes again. If trouble codes persist, troubleshoot using a factory diagnosis guide, then clear and recheck.
3. Live Data: Retrieves and displays live data and parameters from the vehicle's ECU.
4. View Freeze Frame: When an emission-related fault occurs, certain vehicle conditions are recorded by the on-board computer. This information is referred to as freeze frame data. Freeze Data is a snapshot of the operating conditions at the time of an emission-related fault.

   Note: If DTCs were erased, Freeze Data may not be stored in vehicle memory depending on the vehicle.

5. I/M Readiness: Refers to Inspection and Maintenance legislated by the Government to meet federal clean-air standards. I/M Readiness indicates whether emissions-related systems are operating properly and are ready for Inspection and Maintenance testing. The status indicates which Monitors have run and completed their diagnosis and testing. This function can also be used after a repair to confirm its correctness.
6. O2 Monitor Test: Displays the results of the ECU's last O2 sensor test, not live values. Test values may vary by vehicle, and not all vehicles support this screen.
7. On-Board Monitor Test: Reads the results of on-board diagnostic monitoring tests for specific components/systems.
8. Component Test: Initiates a leak test for the vehicle's component system by signaling the vehicle's on-board computer. Refer to the vehicle's service repair manual for necessary procedures to stop the test.
9. Vehicle Info: Displays vehicle information such as VIN (Vehicle Identification Number), CID (Calibration ID), and CVN (Calibration Verification Number).
10. Modules Present: Displays the vehicle communication protocol type.

4.2 DTC Lookup

Enter the fault code to view the detailed description.

4.3 Review Data

Replay failures that store records.

4.4 Print Data

Upload the stored fault code to the computer.

5. VW/AUDI/SEAT/SKODA Diagnose

This function is specially designed to diagnose the 101 electronic control systems of a single vehicle model.

In Figure 3-2, select [VW/AUDI/SEAT/SKODA] and press [ENTER]. The system will display "loading program, please wait" and then enter the following screen:

[Screenshot of VW/AUDI/SEAT/SKODA menu: Common Control Unit, All Control Unit, System Scan, Gateway Scan, Special function]

5.1 Common Control Unit

Reads and clears common control system fault codes and versions.

5.2 All Control Unit

Reads and clears all control system fault codes and versions.

5.3 System Scan

Scans common systems one by one and displays faults.

5.4 Gateway Scan

Quickly scans the vehicle's ECU by communicating with the gateway system to get ECU information, supported ECUs, and detect faults.

5.5 Special function

1) Auto oil reset

Performs reset for the engine oil life system, calculating optimal oil life based on vehicle driving conditions and climate. This function can be performed in the following cases:

1. If the service lamp is on, service the car. After service, reset the driving mileage or driving time so the service lamp turns off and a new service cycle begins.
2. After changing engine oil or electric appliances that monitor oil life, reset the service lamp.

2) Throttle Learning

Enables setting initial parameters for throttle actuators, returning stored "learned" values in the ECU to the default state. This accurately controls throttle actions (or idle engine) to adjust air intake.

3) Electronic Parking Brake

1. If the brake pad wears the brake pad sense line, a signal is sent to the on-board computer to replace the brake pad. After replacement, the brake pad must be reset; otherwise, car alarms may sound.
2. Reset must be performed in the following cases:
   • The brake pad and brake pad wear sensor are replaced.
   • The brake pad indicator lamp is on.
   • The brake pad sensor circuit is short, which has been recovered.
   • The servo motor is replaced.

4) Battery Matching

Enables a resetting operation on the vehicle battery monitoring unit to clear original low battery fault information and perform battery matching. This prevents the related control module from detecting false information, which could invalidate electric auxiliary functions (e.g., automatic start & stop, sunroof, power windows). Battery matching is performed to re-match the control module and monitoring sensor to accurately detect battery power usage, avoiding error messages.

Battery matching must be performed in the following cases:

• The main battery is replaced.
• Battery monitoring sensor is replaced.

6. Tool Information

Select [Tool Information] in the Main Menu and press [ENTER]. The system will display the following screen:

[Screenshot of Tool Information: S/W Ver:V1.8.1, H/W Ver:V1.6.8, Lib Ver:V2.7.5, S/N: 201917285325]

7. Update Mode

This function allows you to update the tool software.

To update your tool, you need the following items:

1. Scan tool
2. A PC or laptop with USB ports
3. USB cable

Steps:

1. Download the application UPlink.exe from the KONNWEI website: www.konnwei.com
2. Run UPlink.exe on your computer (Mac iOS and Linux are not compatible).
3. Press any button until the USB cable is connected to the computer, and release it after the tool displays "Update mode".
4. Open the UPLINK software, click the "Check Update" button. The upgrade file will be downloaded from the internet and then updated to the tester tool.
5. Wait a few minutes until the update succeeds.
6. After the update is completed, restart the tester tool to finish the whole update process.

[Screenshot of UPLINK software showing Upgrade process: Step 1: Press and hold "OK" key while plugging in USB cable. Step 2: Verify "Update Mode" on Scan Tool. Step 3: Click "Check Update" to start upgrade. Shows 'Device connected to COM37', '0%', 'Check Update' button, 'Internet connected' status.]

NOTE: If you make a wrong choice and the tool is unable to work properly, you may need to update the programs. Keep holding any key on the tool for a long time, and then connect the tool to the computer via USB. The USB cable will force the tool into update mode to refresh the program.

8. Service Procedures

If you have any questions, please contact your local store, distributor, or visit our website at www.konnwei.com.

If it becomes necessary to return the tool for repair, contact your local distributor for more information.