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Mazda CX-5 Service & Repair Manual: A/C Cut Off Control [Skyactiv G 2.0]

Mazda CX-5 Service & Repair Manual / HVAC / A/C / A/C Cut Off Control [Skyactiv G 2.0]

Outline

Block Diagram


Operation

A/C cut-off control operation conditions

Operation condition

While A/C relay not energized

Purpose

At engine start

Approx. 4 s

Improved startability

When engine speed is 6,700 rpm or more

Approx. 5 s elapsed since engine speed was 6,200 rpm or less

A/C compressor reliability assurance

Accelerated

3 to 5 s

Acceleration from standstill/acceleration performance improvement

Refrigerant pressure 3.14 MPa {32.0 kgf/cm2, 455 psi} or more

Refrigerant pressure decreases to 2.55 MPa {26.0 kgf/cm2, 370 psi} or less

A/C compressor reliability assurance

Refrigerant pressure of 0.196 MPa {2.00 kgf/cm2, 28.4 psi} or less continues for 5 s or more

Refrigerant pressure of 0.226 MPa {2.30 kgf/cm2, 32.8 psi} or more continues to 5 s or more

A/C compressor reliability assurance

Drive-by-wire control malfunction

Reverse driving performance assurance

Panic braking determined

Load performance assurance

Misfire determination

Catalytic converter protection

ECT sensor malfunction

Engine protection

Engine coolant temperature 113 °C {235 °F} or more

Turns on/off repeatedly every 10 s until engine coolant temperature is less than approx. 107 °C {225 °F}

Engine protection

Engine coolant temperature 117 °C {243 °F} or more

Until engine coolant temperature is less than 110 °C {230 °F}

Engine protection


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 ...

A/C Unit
Outline The A/C unit which integrates the cooling and heater units has been adopted. Construction The A/C unit consists of the following parts. Operation Air Mix Door Op ...

Other materials:

Generator Control [Skyactiv G 2.0]
Outline Idling stability has been improved by optimum control of generator voltage according to engine operation and electrical load conditions. The PCM determines the engine operation and electrical load conditions based on the input signals from each control part and controls ...

Front Under Cover No.1 Removal/Installation
1. Remove bolts A. 2. Remove screws B. 3. Remove fasteners C. 4. Remove the front under cover No.1 in the direction of the arrow in the order of (1), (2) shown in the figure while detaching the guide D. 5. Install in the reverse order of removal. ...

DSC Related Parts Sensor Initialization Procedure
WARNING: If the initialization procedure is not completed, the DSC will not operate properly and it might cause an unexpected accident. Therefore, after replacing or removing the DSC HU/CM or SAS control module, make sure to perform the initialization procedure to insure proper DSC ...

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