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:

    The light reminder warning does not sound
    Description Light reminder warning does not sound even though headlamp is illuminated. Diagnosis Procedure 1. CHECK COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) OPERATION Check that the headlamps operate normally by operating the combination switch (lighting and turn signal switch). ...

    Diagnosis system (BCM)
    COMMON ITEM COMMON ITEM : CONSULT Function (BCM - COMMON ITEM) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions. BCM BCM : CONSULT Function (BCM - BCM) ECU IDENTIFICATION The BCM part ...

    IPDM E/R (intelligent power distribution module engine room)
    Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Fail Safe CAN COMMUNICATION CONTROL When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN communication recovers normally, it also re ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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