Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

MAIN LINE BETWEEN DLC AND HVAC CIRCUIT

Diagnosis Procedure

1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Disconnect the following harness connectors.
    • ECM
    • A/C auto amp.
  4. Check the continuity between the data link connector and the A/C auto amp. harness connector.

    CAN communication circuit
    Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication syste ...

    Main line between HVAC and A-bag circuit
    Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect the following harness connector ...

    Other materials:

    U121D AV control unit
    DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U121E AV CONTROL UNIT DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U1225 AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...

    U1000 CAN comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern vehicle is equipped with many electronic control unit, and e ...

    Multifunction switch
    Removal and Installation REMOVAL Remove cluster lid D. Refer to IP-18, "Removal and Installation". Remove the four multifunction switch screws (A) and the multifunction switch (2) from cluster lid D (1). : Metal clip INSTALLATION Installation is in the reverse order ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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