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:

    Seat memory indicator lamp
    Description Memory switch is equipped on the seat memory switch installed to the driver side door trim. The operation signal is input to the driver seat control unit when the memory switch is operated. The status of automatic drive positioner system can be checked according to the ill ...

    RGB digital image signal circuit
    Description Transmit the image displayed with AV control unit with RGB digital image signal to the display unit. Diagnosis Procedure 1.CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect display unit connector M151 and AV control unit connector ...

    P0102, P0103 MAF sensor
    Description The mass air flow sensor (1) is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. The mass air flow sensor controls the temperature of the hot wire to a certain amount. The heat generated by the hot wire is re ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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