Roadster

REAR WINDOW DEFOGGER


Description

Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.





REAR WINDOW DEFOGGER


Diagnosis Procedure

1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON and soft top fully close.
2. Check voltage between rear window defogger harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK REAR WINDOW DEFOGGER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect soft top control unit connector.
3. Check continuity between soft top control unit harness connector and rear window defogger harness connector.





4. Check continuity between soft top control unit harness connector and ground.





Is the inspection result normal?
YES - Replace soft top control unit. Removal And Installation.
NO - Repair or replace harness.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger connector.
3. Check continuity between rear window defogger harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK FILAMENT
Check filament. Roadster
Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace filament. Roadster.
5.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Intermittent Incident
- INSPECTION END