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:

    Audio unit
    Removal and Installation Audio unit brackets (LH/RH) A/C auto amp. Cluster lid C lower Audio unit Clip Pawl REMOVAL Disconnect the battery negative terminal. Refer to PG-67, "Removal and Installation (Battery)". Remove the cluster lid D. Refer to IP-11, "Removal and ...

    Pre-inspection for diagnostic
    Pre-Inspection for Multi-System Diagnostic The engine start function, door lock function, power distribution system and NATS-IVIS/NVIS are closely related to each other. Narrow down the system in question by performing this inspection to identify which system is malfunctioning. For example, ...

    Road wheel tire assembly
    Adjustment BALANCING WHEELS (ADHESIVE WEIGHT TYPE) Preparation Before Adjustment Remove inner and outer balance weights from the road wheel. Using releasing agent, remove double-faced adhesive tape from the road wheel. CAUTION:  Be careful not to scratch the road wheel during removal ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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