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:

    Performance test
    Inspection INSPECTION PROCEDURE Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge. Start the engine, and set to the following condition. Maintain test condition until A/C system becomes stable. (Approximately 10 minutes) Check that test results ...

    Checking tire pressure
    1. Remove the valve stem cap from the tire. 2. Press the pressure gauge squarely onto the valve stem. Do not press too hard or force the valve stem sideways, or air will escape. If the hissing sound of air escaping from the tire is heard while checking the pressure, reposition the gaug ...

    M&A 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 combination meter for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CI ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0058