Nissan Maxima Service and Repair Manual: Compressor control function

Description

PRINCIPLE OF OPERATION

A/C 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
RX: A/C switch signal
: Fan ON signal
: Defroster 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

    System description
    ...

    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:

    Emission Control System Maintenance
    Drive belts*: Check engine drive belts for wear, fraying or cracking and for proper tension. Replace any damaged drive belts. Engine air filter: Replace at specified intervals. When driving for prolonged periods in dusty conditions, check/replace the filter more frequently. Engine coolant*: ...

    Satellite radio antenna
    Removal and Installation REMOVAL Lower the headlining at the rear. Refer to INT-33, "Exploded View". Disconnect the harness connector (A) from satellite radio antenna. Remove the satellite radio antenna nut (B) and the satellite radio antenna (1). INSTALLATION Instal ...

    Center speaker
    Description The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the center speaker using the audio signal circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the AV control unit, BOSE speaker amp. and s ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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