Rear Window Defogger And Door Mirror Defoggers Do Not Operate

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGERS DO NOT OPERATE

Diagnosis Procedure


1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.
Power Supply And Ground Circuit.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace the malfunctioning parts.

2. CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.
Rear Window Defogger Switch.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.

3. CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.
Rear Window Defogger Relay.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.

4. CONFIRM THE OPERATION

Confirm the operation again.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- GO TO 1.