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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:

Rear ABS Wheel Speed Sensor Removal/Installation
1. Remove the trunk board.. 2. Remove the trunk end trim.. 3. Remove the rear scuff plate.. 4. Remove the trunk side trim.. 5. Disconnect the rear ABS wheel-speed sensor connector. 6. Press the rear ABS wheel-speed sensor tabs and press out the sensor toward the outside of the vehicl ...

Rear Window Defroster/Outer Mirror Heater
Outline Fogging is cleared from the rear window and outer mirror glass by heating of the filament. Structural view System wiring diagram Vehicles with full-auto air conditioner system Vehicles with manual air conditioner system Construction Rear window defroster ...

Canister Vent (Cv) Solenoid Valve Inspection
U.S.A. And CANADA Airflow inspection 1. Disconnect the negative battery cable.. 2. Remove the CV solenoid valve.. 3. Inspect airflow between the ports under the following conditions. Measured condition Continuity between A—B When volta ...

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