Rear Window Defogger Does Not Operate

REAR WINDOW DEFOGGER DOES 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.
- With auto A/C: Component Function Check.
- Without 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.