REAR WINDOW DEFOGGER RELAY
Description
Power is supplied to the rear window defogger with BCM control.
REAR WINDOW DEFOGGER RELAY
Diagnosis Procedure
- CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT
- Turn ignition switch ON.
- Check voltage between BCM connector and ground.
Is the Inspection result normal?
YES >> Rear window defogger power supply circuit is OK.
NO >> GO TO 2
- CHECK HARNESS CONTINUITY
- Turn ignition switch OFF.
- Disconnect BCM and fuse block (J/B).
- Check continuity between BCM connector (A) and fuse block (J/B) connector (B).
Is the Inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
- CHECK REAR WINDOW DEFOGGER RELAY Check rear window defogger relay. Refer to See: Component Inspection.
Is the Inspection result normal?
YES >> GO TO 4
NO >> Replace rear window defogger relay.
- CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident
Is the Inspection result normal?
YES >> Check the following.
- Battery power supply circuit.
- Fuse block (J/B). NO >> Repair or replace the malfunctioning parts.
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