Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure





DRIVER 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.




DRIVER SIDE DOOR MIRROR DEFOGGER


Diagnosis Procedure

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





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 2.
2.CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) connector.
3. Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness connector.





Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace harness between fuse block (J/B) and door mirror (driver side).
3.CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between fuse block (J/B) harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Replace fuse block (J/B).
4.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (driver side) harness connector and ground.





Is the inspection result normal?
YES - Replace door mirror glass (driver side). Refer to With ADP.
NO - Repair or replace harness between door mirror (driver side) and ground.
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to Intermittent Incident
- INSPECTION END