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:

    Blower unit
    BLOWER UNIT BLOWER UNIT : Removal and Installation COMPONENTS Heater and cooling unit Blower unit Front REMOVAL Remove the heater and cooling unit assembly. Refer to HA-47, "HEATER & COOLING UNIT ASSEMBLY : Removal and Installation". Disconnect the harness connector from ...

    C1145, C1146 yaw rate/side/decel G sensor
    Description The yaw rate/side/decel G sensor detects the yaw rate/side/decel G affecting the vehicle, and transmits the data to the ABS actuator and electric unit (control unit) as an analog voltage signal. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF-DIAGNOSI ...

    Lock-up and select control system
    System Diagram System Description  The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to increase power transmission efficiency.  The torque converter clutch control valve operation is controlled by the torque converte ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2022 Copyright www.nimainfo.com
    0.0065