4WD Warning Lamp

4WD WARNING LAMP

Component Function Check


1. CHECK 4WD WARNING LAMP FUNCTION

1.Turn the ignition switch OFF to ON.
2.Check that 4WD warning lamp light up.
Is the inspection result normal?
YES- INSPECTION END
NO- Proceed diagnosis procedure. Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK POWER SUPPLY AND GROUND CIRCUIT

Perform the trouble diagnosis for power supply and ground circuit. Refer to "Diagnosis Procedure" P1811.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace the error-detected parts.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ALL MODE AWD/4WD".
Is any DTC detected?
YES- Check the DTC. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 3.

3. CHECK 4WD WARNING LAMP SIGNAL

With CONSULT
1.Turn the ignition switch ON.

CAUTION:
Never start the engine.
2.Check "4WD FAIL LAMP" of CONSULT "DATA MONITOR" for "ALL MODE AWD/4WD".
Does the item on "DATA MONITOR" indicate "On"?
YES- Check combination meter. Refer to "COMBINATION METER : Diagnosis Procedure" Power Supply and Ground Circuit.
NO- Replace transfer control unit. Refer to "Removal and Installation" Service and Repair.