Diagnosis Procedure

PASSENGER SIDE DOOR MIRROR DEFOGGER


Description

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.




PASSENGER SIDE DOOR MIRROR DEFOGGER


Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror (passenger side) connector.
3. Turn ignition switch ON.
4. Check voltage between door mirror (passenger side) harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 2.
2.CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Turn ignition switch ON.
4. Check voltage between fuse block (J/B) harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Replace fuse block (J/B).
3.CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
1. Turn ignition switch OFF.
2. Check continuity between fuse block (J/B) harness connector and door mirror (passenger side) harness connector.





3. Check continuity between fuse block (J/B) harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace harness.
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness.
5.CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER
Check passenger side door mirror defogger. Refer to Component Inspection
Is the inspection result normal?
YES - GO TO 6.
NO - Replace door mirror (passenger side).Refer to Removal and Installation
6.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident
- INSPECTION END.