Description
Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Component Function Check
1. CHECK REAR WINDOW DEFOGGER
Check that the heating wire of rear window defogger is heated when turning the rear window defogger switch ON.
Is the inspection result normal? YES >> Rear window defogger is OK.
NO >> Refer to DEF-26, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to DEF-12, "Wiring Diagram".
1. CHECK FUSES
Check if any of the following fuses in fuse block (J/B) are blown.

Is the inspection result normal? YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> GO TO 3.
NO >> Perform rear window defogger relay diagnosis. Refer to DEF-24, "Diagnosis Procedure".
3. CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 5.
4. CHECK GROUND CIRCUIT

Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace harness.
5. CHECK HARNESS CONTINUITY

Is the inspection result normal? YES >> Replace rear window defogger condenser. Refer to DEF-41, "Removal and Installation".
NO >> Replace or repair harness.
6. CHECK FILAMENT
Check filament.
Refer to DEF-27, "Component Inspection".
Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".
NO >> Repair filament. Refer to DEF-39, "Inspection and Repair".
Component Inspection
1. CHECK FILAMENT
Check the filament for damage or open circuits.
Refer to DEF-39, "Inspection and Repair".
Is the inspection result normal? YES >> Inspection End.
NO >> Repair filament. Refer to DEF-39, "Inspection and Repair".
Rear window defogger relay
Driver side door mirror defoggerJacking up the vehicle and removing the damaged tire
WARNING
Never go under the vehicle when it is supported only by a jack. Use safety stands if you need to work underneath.
Use only the vehicle’s supplied jack when lifting your Nissan. It is designed for this vehicle only.
Use only the specified jack-up points. Do not lift the vehicle at any o ...
Brake warning lamp
Component Function Check
1.CHECK BRAKE WARNING LAMP FUNCTION
Check that brake warning lamp in combination meter turns ON for 1 second
after ignition switch is turned ON.
CAUTION:
Never start the engine.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to BRC-12 ...
Preparation
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