G37x Coupe AWD V6-3.7L (VQ37VHR) (2009)
Component Function Check
1.CHECK REAR WINDOW DEFOGGER
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 is OK.
NO - Refer to See: Rear Window Defogger/Diagnosis Procedure
Diagnosis Procedure
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 FUSE
1. Turn ignition switch OFF.
2. Check the following.
- 20A fuse [No.14, located in fuse block (J/B)]
- 20A fuse [No.15, 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 POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between rear window defogger connector and ground.
Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 4.
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 7.
NO - Repair or replace harness.
4.CHECK REAR WINDOW DEFOGGER CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect condenser connector and rear window defogger connector.
3. Check continuity between condenser (condenser side) and rear window defogger harness connector.