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

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : 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 (BODY CONTROL MODULE) : Special Repair Requirement

1. REQUIRED WORK WHEN REPLACING BCM

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure

1. CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible link are not blown.

Nissan Maxima. CHECK FUSES AND FUSIBLE LINK

2. CHECK POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect IPDM E/R connectors.
  3. Check voltage between IPDM E/R harness connector and ground.

Nissan Maxima. CHECK POWER SUPPLY CIRCUIT

3. CHECK GROUND CIRCUIT

Nissan Maxima. CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and ground.

Nissan Maxima. CHECK GROUND CIRCUIT

    DTC/circuit diagnosis
    ...

    Headlamp (HI) circuit
    Description The IPDM E/R (intelligent power distribution module engine room) controls the headlamp high relay based on inputs from the BCM over the CAN communication lines. When the headlamp high ...

    Other materials:

    Precaution
    PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front ...

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the "combination meter". Another signal is transmitted by "ABS actuator and electric unit (control unit)". BCM compares both signals to detect the vehicle speed. DTC Logic DTC DETECTIO ...

    P2118 throttle control motor
    Description The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor. The throttle position sensor it provides feedback to the ECM, when opens/closes the throttl ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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