Nissan Maxima Service and Repair Manual: Power supply and ground circuit

BCM

BCM : Diagnosis Procedure

1. CHECK FUSE AND FUSIBLE LINK

Check if the following BCM fuses or fusible link are blown.

Nissan Maxima. CHECK FUSE AND FUSIBLE LINK

2. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect BCM.
  3. Check voltage between BCM harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground

Nissan Maxima. CHECK GROUND CIRCUIT

BCM : Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

Initialize control unit.

    DTC/circuit diagnosis
    ...

    Battery saver output/power supply circuit
    Description Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery saver is activated. Component Function Check 1.CHECK BATTERY SAVER OUTPUT/ ...

    Other materials:

    Door lock and unlock switch
    DRIVER SIDE DRIVER SIDE : Description Transmits door lock/unlock operation to BCM. DRIVER SIDE : Component Function Check 1. CHECK FUNCTION With CONSULT Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT DRIVER SIDE : Diagnosis Procedure 1. CHECK POWER WINDOW SWITCH OUTP ...

    Lifting switch (front)
    Description Lifting switch (front) is equipped to the power seat switch LH on the seat frame. The operation signal is input to the driver seat control unit when the lifting switch (front) is operated. Component Function Check 1. CHECK FUNCTION Select "LIFT FR SW-UP", "LIFT FR SW-DN" in "D ...

    Seat cushion thermal electric device
    Description Provides cooling and heat for the seat cushion. Component Function Check 1.CHECK SEAT CUSHION THERMAL ELECTRIC DEVICE FUNCTION Turn the climate controlled seat switch to the H (Heat) HI position and check that the seat cushion thermal electric device operates correctly. Tu ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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