Rear Window Defogger And Door Mirror Defogger Do Not Operate

REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER DO NOT OPERATE.


Diagnosis Procedure

1.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check power supply and ground circuit.
- BCM with Intelligent Key system: With Intelligent Key System.
- BCM without Intelligent Key system: Without Intelligent Key System.
- IPDM E/R with Intelligent Key system: With I-Key.
- IPDM E/R without Intelligent Key system: Without I-Key.
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.
- Without A/C: Component Function Check.
- With auto A/C: Component Function Check.
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. Component Function Check.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace the malfunctioning parts.
4.CHECK REAR WINDOW DEFOGGER
Check rear window defogger. Component Function Check.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace the malfunctioning parts.
5.CONFIRM THE OPERATION
Confirm the operation again.
Is the inspection result normal?
YES - Check intermittent incident. Intermittent Incident.
NO - GO TO 1.