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:

    Center speaker
    Removal and Installation REMOVAL Remove the center speaker grille, using a suitable tool. Remove the center speaker screws (A). Pull out the center speaker (1), disconnect the harness connector from the center speaker and remove. INSTALLATION Installation is in the reverse order ...

    P0850 PNP switch
    Description When the selector lever position is P or N, park/neutral position (PNP) signal from the TCM is sent to ECM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.INSPECTION START 2.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perfo ...

    Magnet clutch control system
    System Diagram System Description The A/C auto amp. controls compressor operation by ambient temperature, intake air temperature and signal from ECM. SYSTEM OPERATION When the A/C switch, the AUTO switch, or the DEF switch is pressed, or when shifting mode position to D/F, the A/C auto ...

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    Nissan Maxima Service and Repair Manual

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