Nissan Rogue Service Manual: Rear window defogger relay

Nissan Rogue Service Manual / Driver controls / Defogger / DTC/circuit diagnosis / Rear window defogger relay

Description

Power is supplied to the rear window defogger with BCM control.

Component Function Check

1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT

Check that an operation noise of rear window defogger relay [located in fuse block (J/B)] can be heard when turning the rear window defogger switch ON.

Is the inspection result normal? YES >> Rear window defogger relay power supply circuit is OK.

NO >> Refer to DEF-24, "Diagnosis Procedure".

Diagnosis Procedure

Regarding Wiring Diagram information, refer to DEF-12, "Wiring Diagram".

1. CHECK REAR WINDOW DEFOGGER RELAY GROUND CIRCUIT

Turn ignition switch ON.
Check voltage between BCM connector and ground.

Check rear window defogger relay ground circuit

Is the inspection result normal? YES >> Rear window defogger power supply circuit is OK.

NO >> GO TO 2.

2. CHECK HARNESS CONTINUITY

Turn ignition switch OFF.
Disconnect BCM and fuse block (J/B).
Check continuity between BCM connector and fuse block (J/B) connector.

Check harness continuity

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3. CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Refer to DEF-25, "Component Inspection".

Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".

NO >> Replace rear window defogger relay.

Component Inspection

1. CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay.

Check rear window defogger relay

Is the inspection result normal? YES >> Inspection End.

NO >> Replace rear window defogger relay.

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