Nissan Maxima Service and Repair Manual: HVAC branch line circuit

Diagnosis Procedure

1.CHECK CONNECTOR

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side).

2.CHECK HARNESS FOR OPEN CIRCUIT

  1. Disconnect the connector of A/C auto amp.
  2. Check the resistance between the A/C auto amp. harness connector terminals.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.

  • Models with color display: HAC-60, "A/C AUTO AMP. : Diagnosis Procedure"
  • Models with monochrome display: HAC-165, "A/C AUTO AMP. : Diagnosis Procedure"
    AV branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the AV control unit for d ...

    STRG branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the steering angle sensor ...

    Other materials:

    P0605 ECM
    Description The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always ...

    Electronic controlled engine mount
    Description In the idle range, ECM turns OFF the electronically-controlled engine mount control solenoid valve and applies manifold pressure to the electronically controlled engine mount. This decreases damping force of the electronically- controlled engine mount and absorbs vibrations trav ...

    Audio unit
    Reference Value TERMINAL LAYOUT PHYSICAL VALUES ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0068