Nissan Maxima Service and Repair Manual: System description

COMPRESSOR CONTROL FUNCTION

Description

PRINCIPLE OF OPERATION

Compressor is not activated.

Functional circuit diagram

Nissan Maxima. PRINCIPLE OF OPERATION

CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal

Functional initial inspection chart

Nissan Maxima. PRINCIPLE OF OPERATION

Fail-Safe

FAIL-SAFE FUNCTION

  • If a communication error exists between the A/C auto amp., the AV control unit and the A/C and AV switch assembly for 30 seconds or longer, air conditioner is controlled under the following conditions:

Compressor: ON
Air outlet: AUTO
Air inlet: FRE ( )
Blower fan speed: AUTO
Set temperature: Setting before communication error occurs
Display: OFF

    Basic inspection
    INSPECTION AND ADJUSTMENT Operational Check DESCRIPTION The purpose of the operational check is to check that the individual system operates normally. Conditions: Engine running at normal operat ...

    Automatic air conditioner system
    System Diagram CONTROL SYSTEM The control system consists of input sensors, switches, the A/C auto amp. (microcomputer) and outputs. The relationship of these components is as shown in the figure ...

    Other materials:

    v DLC and HVAC 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 connectors. ECM A/C auto amp. Check the continuity between the data link connector and the A/C ...

    B1118 - B1120 satellite sensor LH
    Description DTC B1118 - B1120 SATELLITE SENSOR LH The satellite sensor LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit willmonitor the satellite sensor LH for internal failures and its circuits for communication errors. PART LOCATION DTC Logic DTC DETECTI ...

    Rear door speaker
    Description The AV control unit sends audio signals to the rear door speakers using the rear door speaker circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the AV control unit and speaker connectors for the following: Proper connection Damage Disconnected or loose terminals 2.HA ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2026 Copyright www.nimainfo.com
    0.0091