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:

    Tilt switch
    Description ADP steering switch (tilt switch) is equipped to the steering column. The operation signal is input to the automatic drive positioner control unit when the tilt switch is operated. Component Function Check 1. CHECK FUNCTION Select "TILT SW-UP", "TILT SW-DOWN" in "DATA MONITOR" ...

    Fuel filler cap warning system
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART Input *: This signal is sent to the ECM via the CAN communication line. Output *: This signal is sent to the combination meter via the CAN communication line. SYSTEM DESCRIPTION The fuel filler cap warning system alerts th ...

    Blower motor control system
    System Diagram System Description Fan speed is automatically controlled by the temperature setting, ambient temperature, in-vehicle temperature, intake temperature, amount of sunload and air mix door position. By pressing the AUTO switch, the blower motor starts to gradually increase a ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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