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

Regarding Wiring Diagram information, refer to Coupe or Sedan.
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. Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 4
NO - Replace door mirror. Refer to Removal And Installation.
4. CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to 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.