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".

    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 ...

    BCM 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 BCM for damage, bend and ...

    Other materials:

    Power supply and ground circuit
    BCM BCM : Diagnosis Proce 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blow 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. Check voltage between BCM harness connector and ground. 3. CHECK GROUND CIRCUIT Check con ...

    Parking, license plate and tail lamps
    System Diagram System Description BCM (Body Control Module) controls parking, license plate and tail lamps operation. IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate and tail lamps according to CAN communication signals from BCM. Comp ...

    Brake pedal
    Inspection and Adjustment INSPECTION Inspect the brake pedal free height (H) from the floor using Tool at a 90 angle to the floor as shown. Adjust the brake pedal free height (H) to specifications. Brake pedal free height (H) Brake pedal full stroke (S) Clearance between br ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0159