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:

    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 below: System Description CONTROL OPERATION Display The operation status of the HVAC system ...

    System maintenance
    The sensor A is located behind the lower grille of the front bumper. To keep the system operating properly, be sure to observe the following: Always keep the sensor area of the front bumper clean. Do not strike or damage the areas around the sensor. Do not cover or attach sticke ...

    Mechanical key
    The Intelligent Key contains the mechanical key, which can be used in case of a discharged battery. To remove the mechanical key, release the lock knob on the back of the Intelligent Key. To install the mechanical key, firmly insert it into the Intelligent Key until the lock knob return ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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