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Mazda CX-5 Service & Repair Manual: A/C Compressor Control [Full Auto Air Conditioner]

Mazda CX-5 Service & Repair Manual / HVAC / A/C / A/C Compressor Control [Full Auto Air Conditioner]

Purpose

Function

A/C compressor automatic control

A/C compressor manual control


A/C mode

Operation condition

A/C ON mode (A/C display)

Fixed in A/C mode.

A/C OFF mode (No display)

Fixed in A/C OFF mode.


Correction

Construction


Input device

Control part

Output device

  • A/C switch (climate control unit)

  • Mode switch (climate control unit)

  • Temperature setting dial (climate control unit)

  • Refrigerant pressure sensor

  • Solar radiation sensor

  • Passenger compartment temperature sensor

  • Ambient temperature sensor

  • Evaporator temperature sensor

  • Climate control unit

  • PCM

  • Instrument cluster

  • A/C relay

  • Magnetic clutch (A/C compressor)


Operation

1. The climate control determines the A/C ON/OFF based on the operations of each switch/dial and signals from each sensor which changes according to the vehicle environment.

2. The climate control unit sends the A/C signal to the PCM according to the result of the A/C ON/OFF determination and corrections.

3. When the PCM turns the A/C relay on based on the A/C signal, the magnetic clutch of the A/C compressor turns on.


A/C Compressor
Purpose The A/C compressor circulates the refrigerant in the refrigerant cycle. The A/C compressor compresses the gaseous refrigerant atomized by the evaporator, and by pressurizing ...

A/C Compressor Removal/Installation
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Remove the front under cover No.2.. 4. Remove the drive belt.. 5. Disconnect the connector. 6. Remove bolts A ...

Other materials:

Shift Panel Removal/Installation
ATX 1. Disconnect the negative battery cable.. 2. Selector lever to neutral position. 3. Remove the front console box.. 4. Take the shaded area shown in the figure, and remove the shift panel in the direction of the arrow in the order of (1), (2) while detaching clips A, hook B. 5. D ...

Rear Seat Cushion Trim Removal/Installation
CAUTION: When removing or putting in the rear seat cushion, contact with the surrounding areas of the vehicle could cause scratches and damage. When removing or putting in the rear seat cushion, always use two or more persons to perform the work and be careful not to scratch or dama ...

Exterior Lighting Systems
Outline Projector type headlights have been adopted to the front combination lights. Auto-light system has been adopted in which TNS and headlights automatically and optimally illuminate and turn off. (with auto light system) An AFS system has been adopted which changes the ...

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