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
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    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:

    AV control unit
    Removal and Installation AV control unit AV control unit bracket (LH) AV control unit bracket (RH) A/C auto amp. Cluster lid C (with A/C and AV switch assembly attached) Clip AV CONTROL UNIT Removal CAUTION: Before replacing AV control unit, perform "READ CONFIGU ...

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    Follow these easy-to-use Fuel Efficient Driving Tips to help you achieve the most fuel economy from your vehicle. 1. Use Smooth Accelerator and Brake Pedal Application Avoid rapid starts and stops. Use smooth, gentle accelerator and brake application whenever possible. Maintain constan ...

    Basic inspection
    DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). 2.CONFIRM THE SYMPTOM Try to confirm the symptom described by the ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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