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:

    Intelligent key warning buzzer
    Description Answers back and warns for an inappropriate operation. Component Function Check 1. CHECK FUNCTION With CONSULT Check Intelligent Key warning buzzer OUTSIDE BUZZER in Active Test mode. Diagnosis Procedure 1. CHECK INTELLIGENT KEY WARNING BUZZER Check voltage between BCM connecto ...

    Lifting switch (front)
    Description Lifting switch (front) is equipped to the power seat switch LH on the seat frame. The operation signal is input to the driver seat control unit when the lifting switch (front) is operated. Component Function Check 1. CHECK FUNCTION Select "LIFT FR SW-UP", "LIFT FR SW-DN" in "D ...

    Exterior lighting system symptoms
    Symptom Table CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. NORMAL OPERATING CONDITION Description AUTO LIGHT SYSTEM The auto light system may not turn the headlamp ON/OFF immediately after passing ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0053