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:

    P0137, P0157 HO2S2
    Description The heated oxygen sensor 2, after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the air fuel ratio (A/F) sensor 1 are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal ...

    System description
    STARTING SYSTEM System Diagram System Description The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates. Component Description ...

    U1200 AV control unit
    Description Replace the AV control unit if this DTC is displayed. Part name  Description  AV CONTROL UNIT  It is the master unit of the MULTI AV system and it is connected to each control unit by means of communication. It operates each syste ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0057