No 1 4WD LOCK INDICATOR LIGHT ILLUMINATED CONTINUOUSLY (4WD SYSTEM OPERATES NORMALLY)


id030300800700

Possible Cause

• Malfunction in the 4WD lock indicator light control circuit

- 4WD lock switch malfunction
- Instrument cluster malfunction
- Short to power supply in 4WD lock indicator light wiring harness
- Short to power supply in 4WD lock switch wiring harness

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
INSPECT 4WD SWITCH
• Inspect the 4WD lock switch.
• Is the 4WD lock switch normal?
Yes
Go to the next step.
No
Replace the 4WD lock switch.
2
INSPECT 4WD LOCK INDICATOR LIGHT WIRING HARNESS FOR SHORT TO POWER SUPPLY
• Turn the ignition switch off.
• Disconnect the 4WD lock switch connector.
• Turn the ignition switch to the ON position.
• Measure the voltage between the 4WD lock switch vehicle-side terminal B and ground.
• Is the voltage less than 1.0 V?
Yes
• Inspect the instrument cluster. (See INSTRUMENT CLUSTER INSPECTION [L3].)(See INSTRUMENT CLUSTER INSPECTION [EXCEPT L3].)
• If there is any malfunction, repair or replace the applicable part.
No
Repair or replace the wiring harness between 4WD lock switch terminal B and instrument cluster terminal 1A.