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:

    EVAP canister vent control valve
    Removal and Installation REMOVAL  Remove rear stabilizer bar clamps and position rear stabilizer bar aside. Refer to RSU-13, "Removal and Installation".  Disconnect breather hose from EVAP canister.  Disconnect EVAP canister vent control valve.  Turn EVAP canister v ...

    Cleaning interior
    Occasionally remove loose dust from the interior trim, plastic parts and seats using a vacuum cleaner or soft bristled brush. Wipe the vinyl and leather (if so equipped) surfaces with a clean, soft cloth dampened in mild soap solution, then wipe clean with a dry, soft cloth. Regular care and ...

    Power steering oil pump
    Exploded View Rear bracket Power steering oil pump assembly Front bracket Removal and Installation NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling. REMOVAL Remove front wheel and tire (RH) using power tool. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0081