1.CHECK POWER SUPPLY AND GROUND CIRCUIT Check power supply and ground circuit. Refer to Diagnosis Procedure. 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.
Refer to 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.
Refer to 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.
Refer to 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. Refer to Intermittent Incident.
NO>>GO TO 1.