Nissan Maxima Service and Repair Manual: Rear window defogger power supply and ground circuit

Nissan Maxima Service and Repair Manual / Driver controls / Defogger / DTC/circuit diagnosis / 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

Check that the heating wire of rear window defogger 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 ON.
  2. Check voltage between rear window defogger harness connector B53 terminal 1 and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

2. CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect rear window defogger.
  3. Check continuity between rear window defogger harness connector B54 terminal 2 and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

3. CHECK HARNESS CONTINUITY 1

Nissan Maxima. CHECK HARNESS CONTINUITY 1

  1. Turn ignition switch OFF.
  2. Disconnect condenser and rear window defogger.
  3. Check continuity between condenser harness connector B52 (A) terminal 1 and rear window defogger harness connector B53 (B) terminal 1.

Nissan Maxima. CHECK HARNESS CONTINUITY 1

4. CHECK HARNESS CONTINUITY 2

Nissan Maxima. CHECK HARNESS CONTINUITY 2

  1. Disconnect fuse block (J/B).
  2. Check continuity between fuse block (J/B) harness connector B4 (A) terminal 10T, 11T and condenser harness connector B52 (B) terminal 1.

Nissan Maxima. CHECK HARNESS CONTINUITY 2

5. CHECK FILAMENT

Check filament.

6. CHECK INTERMITTENT INCIDENT

Check intermittent incident

Component Inspection

1. CHECK FILAMENT

Check the filament for damage or open circuits.

    Rear window defogger relay
    Description Power is supplied to the rear window defogger with BCM control. Component Function Check 1. CHECK REAR WINDOW DEFOGGER RELAY POWER SUPPLY CIRCUIT Check that an operation noise of rear ...

    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 L ...

    Other materials:

    Lock-up and select control system
    System Diagram System Description  The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to increase power transmission efficiency.  The torque converter clutch control valve operation is controlled by the torque converte ...

    Check cooling fan relay
    Description The electrical load signal (Headlamp switch signal, rear window defogger switch signal, etc.) is transferred via the CAN communication line from BCM to ECM via the IPDM E/R. Component Function Check 1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION Turn ignition switch ON. Connec ...

    Trunk open function symptoms
    TRUNK LID OPENER SWITCH TRUNK LID OPENER SWITCH : Symptom Table TRUNK OPEN FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Conditions of ve ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0056