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.

    TCM 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 and connectors for damage, bend and ...

    DTC/circuit diagnosis
    MAIN LINE BETWEEN DLC AND HVAC CIRCUIT Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Di ...

    Other materials:

    Paddle shifter
    Exploded View  Steering column assembly  Paddle shifter (shift-down)  Paddle shifter (shift-up) Removal and Installation REMOVAL  Park the vehicle on a level surface.  Remove the driver air bag module. Refer to SR-12, "Expl ...

    The fuel gauge pointer does not move
    Description Fuel gauge needle will not move from a certain position. Diagnosis Procedure 1.CHECK COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT.  Using "FUEL METER" of "DATA MONITOR", compare the monitor value with the fuel gauge reading on the co ...

    Clip list
    Descriptions for Clips Replace any clips which are damaged during removal or installation. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0114