Nissan Maxima Service and Repair Manual: CAN communication circuit

Diagnosis Procedure

1.CONNECTOR INSPECTION

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Disconnect all the unit connectors on CAN communication system.
  4. Check terminals and connectors for damage, bend and loose connection.

2.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)

Check the continuity between the data link connector terminals.

3.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)

Check the continuity between the data link connector and the ground.

4.CHECK ECM AND IPDM E/R TERMINATION CIRCUIT

  1. Remove the ECM and the IPDM E/R.
  2. Check the resistance between the ECM terminals.

3. Check the resistance between the IPDM E/R terminals.

5.CHECK SYMPTOM

Connect all the connectors. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.

Inspection result

Reproduced>>GO TO 6.

Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.

6.CHECK UNIT REPRODUCTION

Perform the reproduction test as per the following procedure for each unit.

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Disconnect one of the unit connectors of CAN communication system.

    NOTE: ECM and IPDM E/R have a termination circuit. Check other units first.

  4. Connect the battery cable to the negative terminal. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.

    NOTE: Although unit-related error symptoms occur, do not confuse them with other symptoms.

Inspection result

Reproduced>>Connect the connector. Check other units as per the above procedure.

Non-reproduced>>Replace the unit whose connector was disconnected.

    IPDM-E 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 IPDM E/R for damage, ...

    Power control system
    ...

    Other materials:

    Front fog lamp aiming adjustment
    Description PREPARATION BEFORE ADJUSTING NOTE: For details, refer to the regulations in your area. Before performing aiming adjustment, check the following. Adjust the tire pressure to specification. Position vehicle and screen on level surface. Ensure there is no load in vehicle other ...

    Front seat belt
    Exploded View D-ring anchor Adjustable upper anchor cover Seat belt buckle Seat belt buckle connector Lower anchor bolt cover Seat belt pre-tensioner connector Seat belt retractor assembly Adjustable upper anchor D-ring anchor bolt Seat belt buckle anchor bolt Lower ...

    Door request switch
    Description Transmits door lock/unlock operation to BCM. Component Function Check 1. CHECK FUNCTION With CONSULT Check door request switch REQ SW-DR, REQ SW-AS in Data Monitor mode. Diagnosis Procedure 1. CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL Turn ignition switch OFF. Check ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0059