G37x Coupe AWD V6-3.7L (VQ37VHR) (2009)
REAR WINDOW DEFOGGER
Component Inspection
1.CHECK FILAMENT
Check the filament for damage or blown. Refer to See: Filament
Is the inspection result normal?
YES - INSPECTION END
NO - Repair filament.
Component Function Check
REAR WINDOW DEFOGGER RELAY
Component Function Check
1.CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT
1. Perform Active Test ("REAR DEFOGGER") with CONSULT-III.
2. Touch "ON".
3. Check that the rear window heating wire is getting warmer.
Is the inspection result normal?
YES - Rear window defogger relay power supply circuit is OK.
NO - Refer to See: Rear Window Defogger Relay/Diagnosis Procedure
Diagnosis Procedure
REAR WINDOW DEFOGGER RELAY
Description
Power is supplied to the rear window defogger with BCM control.
REAR WINDOW DEFOGGER RELAY
Diagnosis Procedure
1.CHECK FUSE
1. Turn ignition switch off.
2. Check the following.
- 10A fuse [No.3, located in fuse block (J/B)]
Is the inspection result normal?
YES - GO TO 2.
NO - Replace the blown fuse after repairing the affected circuit if a fuse is blown.
2.CHECK REAR WINDOW DEFOGGER CIRCUIT 1
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 3.
3.CHECK REAR WINDOW DEFOGGER CIRCUIT 2
1. Turn ignition switch OFF.
2. Disconnect BCM connector and rear window defogger relay.
3. Check continuity between BCM harness connector and fuse block (J/B) harness connector.