Nissan Maxima Service and Repair Manual: Driver side door mirror defogger

Nissan Maxima Service and Repair Manual / Driver controls / Defogger / DTC/circuit diagnosis / Driver side door mirror defogger

Description

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.

Component Function Check

1. CHECK DOOR MIRROR DEFOGGER LH

Check that heating wire of door mirror defogger LH is heated when turning the rear window defogger switch ON.

Diagnosis Procedure

1. CHECK POWER SUPPLY CIRCUIT

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect door mirror LH.
  3. Turn ignition switch ON.
  4. Check voltage between door mirror LH harness connector D4 terminal 5 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

2. CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Check continuity between door mirror LH harness connector D4 terminal 13 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

3. CHECK DOOR MIRROR DEFOGGER LH

Check door mirror defogger LH.

4. CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Component Inspection

1. CHECK DOOR MIRROR DEFOGGER LH

Nissan Maxima. CHECK DOOR MIRROR DEFOGGER LH

  1. Turn ignition switch OFF.
  2. Disconnect door mirror LH.
  3. Check continuity between door mirror terminals 5 and 13.

Nissan Maxima. CHECK DOOR MIRROR DEFOGGER LH

    Rear window defogger power supply and ground circuit
    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 ...

    Passenger side door mirror defogger
    Description Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up. Component Function Check 1.CHECK DOOR MIRROR DEFOGGER RH ...

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