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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:

Liftgate Light
Purpose The liftgate lights are used to signal the following conditions to vehicles/people at the rear. Back-up lights: Signals that the vehicle is backing up. Taillights: Signals the presence of the vehicle during nighttime. Function The back-up ...

Engine Mount
Purpose, Function The engine mount secures the engine and transaxle to the vehicle body, reducing vibration and noise. Construction The three points at the engine front (No.3 engine mount), one side of the transaxle (No.1 engine mount), and the rear upper part of the transa ...

Oil Strainer
Purpose, Function The oil strainer suctions the engine oil in the oil pan using the oil pump vacuum. The engine oil is filtered by the internal filter at that time. Construction The oil strainer is installed on the suction port of the oil pump. The oil strain ...

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