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:

    C1712 - C1715, C1720 - C1723, C1724 - C1727 transmitter malfunction
    Description One or more transmitters are malfunctioning internally. DTC Logic 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   ...

    P0456 evap control system
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0456 is displayed with DTC P0442, first perform the trouble diagnosis for DTC P0456. This diagnosis detects very small leakage in the EVAP line between fuel tank and EVAP canister purge volume control solenoid valve, using the intake manifold va ...

    Parking brake switch
    Description The parking brake switch converts the status of the parking brake pedal to an electric signal and transmits it to the combination meter. The combination meter, through CAN communication, transmits the signal to the ABS actuator and electric unit (control unit). Component Functi ...

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    Nissan Maxima Service and Repair Manual

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