4WD Warning Light does not Come ON

MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: 4WD Warning Light does not Come ON
- 4WD Warning Light does not Come ON

DESCRIPTION

Refer to "4WD Warning Light Remains ON" 4WD Warning Light Remains ON.

WIRING DIAGRAM

Refer to "4WD Warning Light Remains ON" 4WD Warning Light Remains ON.

INSPECTION PROCEDURE

Check the condition of each related circuit connector before troubleshooting Electronic Circuit Inspection Procedure.

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication system DTC is output.

Result:





HINT
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

B -- REPAIR CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

2. INSPECT 4WD WARNING LIGHT

(a) Disconnect the 4WD control ECU connector.





(b) Turn the ignition switch to ON.

(c) Check that the 4WD warning light comes on.





OK:

4WD warning light comes on.

NG -- REPLACE COMBINATION METER Removal

OK -- REPLACE 4WD CONTROL ECU Removal