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:

    NISSAN vehicle immobilizer system-nats symptoms
    Symptom Table Security indicator does not turn ON or flash. CAUTION:  Follow Trouble Diagnosis Flowchart referring to "SEC-4, "Work Flow"". Determine malfunctioning condition before performing this diagnosis.  Check that vehicle is under the condition shown in "Co ...

    Heated seat
    Wiring Diagram         ...

    The oil pressure warning lamp does not turn on
    Description The oil pressure warning lamp stays off when the ignition switch is turned ON. Diagnosis Procedure 1.CHECK OIL PRESSURE WARNING LAMP Perform IPDM E/R auto active test. Refer to PCS-11, "Diagnosis Description". 2.CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT Check the oil pressure sw ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2024 Copyright www.nimainfo.com
    0.0061