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"
    M&A 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 combination meter for ...

    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:

    Power steering fluid
    Inspection FLUID LEVEL Check fluid level with engine stopped. Make sure that fluid level is between MIN and MAX. Fluid levels at HOT (A) and COLD (B) are different. Do not confuse them. HOT (A) : Fluid temperature 50 - 80 C (122- 176F) COLD (B) : Fluid temperature 0 - 30C (32- 8 ...

    Low tire pressure warning lamp does not turn on
    Low Tire Pressure Warning Lamp Does Not Come On When Ignition Switch Is Turned On NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.  Activate and display TPMS transmitter IDs &n ...

    Daytime running light system
    The LED portion of the headlights automatically illuminate at 100% intensity when the engine is started and the parking brake released. The daytime running lights operate with the headlight switch in the OFF position. When you turn the headlight switch to the position for full illumination t ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2025 Copyright www.nimainfo.com
    0.0117