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Nissan Sentra Service Manual: Rear window defogger and door mirror defoggers do not operate

Nissan Sentra Service Manual / Driver controls / Defogger / Symptom diagnosis / Rear window defogger and door mirror defoggers do not operate

Diagnosis procedure

Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram".

1. Check rear window defogger switch

Check rear window defogger switch.

Refer to def-30, "component function check".

Is the inspection result normal? Yes >> go to 2.

No >> repair or replace the malfunctioning parts.

2. Check rear window defogger relay

Check rear window defogger relay.

Refer to def-32, "component function check".

Is the inspection result normal? Yes >> go to 3 .

No >> repair or replace the malfunctioning parts.

3. Check rear window defogger power supply and ground circuit

Check rear window defogger power supply and ground circuit.

Refer to def-33, "component function check".

Is the inspection result normal? Yes >> check intermittent incident. Refer to gi-39, "intermittent incident".

No >> repair or replace the malfunctioning parts.

Defogger system symptoms
Symptom table *: if equipped ...

Rear window defogger does not operate but both door mirror defoggers operate
Diagnosis procedure 1. Check rear window defogger power supply and ground circuit Check rear window defogger power supply and ground circuit. Refer to DEF-32, "Component Function Check" ...

Other materials:

Basic inspection
Diagnosis and repair work flow Work flow Overall sequence Detailed flow 1.Get information for symptom Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the “diagnostic work sheet”. ( ...

Component parts
Component Parts Location ABS actuator and electric unit (control unit) IPDM E/R Brake fluid level switch Front wheel sensor LH (RH similar) Rear wheel sensor LH (RH similar) VDC OFF switch Steering angle sensor (view with steering wheel removed) Sto ...

Unit removal and installation
TRANSAXLE ASSEMBLY Exploded View Transaxle assembly Refer to INSTALLATION Removal and Installation WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator. Wrap a thick cloth around the cap. ...

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