Nissan Maxima Service and Repair Manual: 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. 4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect fuse block (J/B). Turn ignition switch ON. Check voltage between fuse block (J/B) connector and ground. 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.

  • 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.

  • Both doors mirror defogger don't operate but rear window defogger operates
  • Diagnosis Procedure 1. CHECK DOOR MIRROR DEFORGGER FUSE Check if the following fuse in fuse block (J/B) is blown. 2. CHECK DOOR MIRROR DEFORGGER CIRCUIT Turn ignition switch OFF. Disconnect the following harness connectors. Fuse block (J/B) connector M5 Door mirror LH D4 Door mirror RH D107 Check continuity between fuse block (J/B) harness connector M5 and door mirror defogger harness connectors D4,D107. Check continuity between fuse block (J/B) harness connector M5 terminal 10M and ground. 3. CHECK DOOR MIRROR DEFOGGER Check door mirror LH.

  • Driver side door mirror defogger does not operate
  • Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER LH Check door mirror defogger LH. PASSENGER SIDE DOOR MIRROR DEFOGGER DOES NOT OPERATE Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER RH Check door mirror defogger RH. REAR WINDOW DEFOGGER SWITCH DOES NOT LIGHT, BUT REAR WINDOW DEFOGGER OPERATES Diagnosis Procedure 1. CHECK A/C AUTO AMP. (REAR WINDOW DEFOGGER SWITCH) Check that A/C auto amp. (rear window defogger switch) is operating normally.

Wiring diagram

Rear window defogger and door mirror defogger do not operate