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:

    Microphone signal circuit
    Description Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits. Diagnosis Procedure 1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE Turn ignition switch OFF. Disconnect AV control unit connector and microphone connector ...

    Trunk room lamp circuit
    Description Controls the trunk room lamp (ground side) to turn the trunk room lamp ON and OFF. Component Function Check CAUTION: Before performing the diagnosis, check that the following is normal. Battery saver output/power supply Trunk room lamp bulb 1.CHECK TRUNK ROOM LAMP OPERATI ...

    Audio antenna
    Location of Antenna Audio unit Audio unit antenna feeder In-line connectors M103, M501 Antenna amp. Window antenna Satellite radio tuner Satellite radio antenna feeder Satellite radio antenna Window Antenna Repair ELEMENT CHECK Attach probe circuit tester (ohm sett ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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