4WD Indicator Light Does Not Come On
DIFFERENTIAL: ACTIVE TORQUE CONTROL 4WD SYSTEM: 4WD Indicator Light does not Come ON
4WD Indicator Light does not Come ON
DESCRIPTION
Refer to "4WD Indicator Light Remains ON" 4WD Indicator Light Remains On.
WIRING DIAGRAM
Refer to "4WD Indicator Light Remains ON" 4WD Indicator Light Remains On.
INSPECTION PROCEDURE
HINT: 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
A -- Continue to next step.
2. PERFORM ACTIVE TEST USING TECHSTREAM (4WD INDICATOR LIGHT)
(a) Using the Techstream Active Test, generate a control command, and then check that the 4WD indicator light operates.
Combination Meter
OK:
The 4WD indicator light turns ON and OFF.
OK -- REPLACE 4WD CONTROL ECU
NG -- Continue to next step.
3. CHECK COMBINATION METER
(a) Inspect the combination meter Electronic Circuit Inspection Procedure.
Result:
The combination meter assembly system is normal.
NG -- REPLACE COMBINATION METER
OK -- REPLACE 4WD CONTROL ECU