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:

    Shifting
    After starting the engine, fully depress the brake pedal and move the shift lever from P (Park) to any of the desired shift positions. WARNING Apply the parking brake if the shift lever is in any position while the engine is not running. Failure to do so could cause the vehicle to move unexpe ...

    Cleaning
    If your windshield is not clear after using the windshield-washer or if a wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the windshield with a washer solution or a mild detergent. Your windshield is clean if beads do not form ...

    ECU diagnosis information
    POWER STEERING CONTROL UNIT Reference Value TERMINA LAYOUT PHYSICAL VALUES CAUTION: When using circuit tester or oscilloscope to measure voltage for inspection, be sure not to extend forcibly any connector terminals. Fail Saf EPS system EPS system enters the fail-safe mode (that al ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0065