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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:

Clutch Pedal Position (CPP) Switch [Skyactiv G 2.0]
Purpose/Function Detects the connection status of the clutch. Construction Installed on the clutch pedal. An ON/OFF type switch has been adopted. Operation Inputs the CPP switch on/off signal to the PCM. The contact point is on and voltage ...

Underbody Dimensions [Dimensions]
NOTE: The following figure is a bottom view. Point symbol Designation Hole diameter or bolt or nut size mm {in} A Front crossmember installation hole ?24 {0.94} B Fro ...

Essential Information
Introduction Be extremely careful and prevent injury to yourself and others or damage to your vehicle when using this manual for inspection and maintenance. If you are unsure about any procedure it describes, we strongly urge you to have a reliable and qualified service shop perform the work ...

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