Rear Window Defogger and Door Mirror Defogger Do Not Operate

Rear Window Defogger and Door Mirror Defogger Do Not Operate

1. CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.

Refer to [Rear Window Defogger Switch Circuit Check] Rear Window Defogger Switch Circuit Check.

Is the inspection result normal?
YES
GO TO 2
NO
Repair or replace the malfunctioning parts.

2. CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Refer to [Rear Window Defogger Relay Circuit Check] Rear Window Defogger Relay Circuit Check.

Is the inspection result normal?
YES
GO TO 3
NO
Repair or replace the malfunctioning parts.

3. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit.

Refer to [Rear Window Defogger Power Supply and Ground Circuit Check] Rear Window Defogger Power Supply and Ground Circuit Check.

Is the inspection result normal?
YES
Check intermittent incident. Refer to [Service Information for Electrical Incident: Intermittent Incident] Service Information for Electrical Incident: Intermittent Incident.
NO
Repair or replace the malfunctioning parts.