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:

    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 loose connection (unit side and connector side). TCM Harness connector F1 Harness con ...

    Preparation
    Special Service Tools The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here. Commercial Service Tools ...

    Oil
    Description MAINTENANCE OF OIL LEVEL The compressor oil is circulating in the system together with the refrigerant. It is necessary to fill compressor with oil when replacing A/C system parts or when a large amount of refrigerant leakage is detected. It is important to always maintain oil le ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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