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:

    Combination switch reading system
    System Diagram System Description OUTLINE BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch. BCM has a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5) and reads a ...

    BCM (body control module)
    Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display TPMS transmitter IDs Display tire pressure reported by the TPMS transmitter Read TPMS DTCs Re ...

    Glass lid
    Removal and Installation REMOVAL CAUTION: Always work with a helper. Handle glass lid with care to prevent damage. NOTE: For easier and more accurate installation, always mark each point before removal. Open sunshade. Tilt glass lid up, then slide rearward to expose all the g ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2020 Copyright www.nimainfo.com
    0.0133