Driver Side Door Mirror Defogger

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.




Component Function Check
1. CHECK DOOR MIRROR DEFOGGER LH
Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch
ON.
Is the inspection result normal?
YES - Door mirror defogger is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1. CHECK POWER SUPPLY CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH connector and ground.





Is the inspection result normal?
YES - GO TO 2
NO - Repair or replace harness.
2. CHECK GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Check continuity between door mirror LH connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK DOOR MIRROR DEFOGGER LH
Check door mirror defogger LH. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 4
NO - Replace door mirror. Removal And Installation.
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident. Intermittent Incident.
Is the inspection result normal?
YES - Check the following.
- Battery power supply circuit.
- Fuse block (J/B).
NO - Repair or replace the malfunctioning parts.




Component Inspection
1. CHECK DOOR MIRROR DEFOGGER LH





1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Check continuity between door mirror terminals.





Is the inspection result normal?
YES - Inspection End.
NO - Replace door mirror LH. Removal And Installation.