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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:

Charcoal Canister Removal/Installation
U.S.A. And CANADA 1. Disconnect the negative battery cable.. 2. Remove the floor under cover.. 3. Remove in the order indicated in the table. 1 Quick release connector (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [SKYACTIV-G 2.0].) ...

Glass Antenna
Purpose, Function The RDS (Radio Data System) converts radio broadcast waves to electric signals and sends the signals to the audio unit. Construction An antenna with excellent noise resistance has been adopted to the rear window glass. Fail-safe Function n ...

Supplier Identification Procedure [Audio]
NOTE: The unit supplier can vary. When asking the supplier (service center) for repair or replacement, identify the supplier and fill in the Audio Repair Order Form using the following procedures. Verification procedure using label or inscribed lettering 1. Disconnect the negati ...

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