Nissan Maxima Service and Repair Manual: BCM branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

  1.  Turn the ignition switch OFF.

  2.  Disconnect the battery cable from the negative terminal.

  3.  Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).

2.CHECK HARNESS FOR OPEN CIRCUIT

  1.  Disconnect the connector of BCM.

  2.  Check the resistance between the BCM harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".

    ADP branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR  Turn the ignition switch OFF.  Disconnect the battery cable from the negative terminal.  Check the following terminals ...

    DLC branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR  Turn the ignition switch OFF.  Disconnect the battery cable from the negative terminal.  Check the terminals and connec ...

    Other materials:

    Main line between A-bag and ABS circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). Harness connector M1 Harness connect ...

    P1778 step motor
    Description  The step motor changes the step by turning 4 coils ON/OFF according to the signal from TCM. As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled.  This diagnosis item is detected when the electrical syste ...

    Multiport fuel injection system
    System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: This sensor is not used to control the engine system under normal conditions. *2: This signal is sent to the ECM via the CAN communication line. *3: ECM determines the start signal status by the signals of engine speed ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0057