Nissan Maxima Service and Repair Manual: Rear window defogger and door mirror defogger do not operate

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

Diagnosis Procedure

1. CHECK REAR WINDOW DEFOGGER SWITCH

Check rear window defogger switch.

2. CHECK REAR WINDOW DEFOGGER RELAY

Check rear window defogger relay

3. CHECK FUSES

Check if any of the following fuses in fuse block (J/B) are blown.

Nissan Maxima. CHECK FUSES

4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect fuse block (J/B).
  3. Turn ignition switch ON.
  4. Check voltage between fuse block (J/B) connector and ground.

Nissan Maxima. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT

5. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit

6. CHECK DOOR MIRROR DEFOGGER

Check door mirror defogger.

    Symptom diagnosis
    ...

    Rear window defogger does not operate but both of door mirror defogger operate
    Diagnosis Procedure 1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT Check rear window defogger power supply and ground circuit. ...

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