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

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

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Reverse driving performance assurance

Panic braking determined

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Load performance assurance

Misfire determination

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Catalytic converter protection

ECT sensor malfunction

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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