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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.
Coupe.
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 Navigation: With Navigation.
- Without Navigation: Without Navigation.
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.
Coupe.
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.
Coupe.
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 result normal?
YES- Check intermittent incident. Intermittent Incident Regular Grade.
NO- GO TO 1.