Nissan Maxima Service and Repair Manual: ECM 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 following terminals and connectors for damage, bend and loose connection (unit side and connector side).

 Models without automatic drive positioner

  •  ECM

  •  Harness connector E30

  •  Harness connector M1

 Models with automatic drive positioner

  •  ECM

  •  Harness connector E29

  •  Harness connector B10

2.CHECK HARNESS FOR OPEN CIRCUIT

  1.  Disconnect the connector of ECM.

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

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to EC-157, "Diagnosis Procedure".

Is the inspection result normal?

    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 ...

    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 ...

    Other materials:

    AMP on signal circuit
    Description When the audio system is turned on, a voltage signal is supplied from the audio unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on. Diagnosis Procedure 1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP) Turn audio system ON. Check volta ...

    ABS 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 connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

    C1101, C1102, C1103, C1104 wheel sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF DIAGNOSTIC RESULT With CONSULT. Start engine and drive vehicle at approximately 21 km/h (13 MPH) or more for approximately 5 minutes. Perform self diagnostic result. Diagnosis Procedure CAUTION: Do not check ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0069