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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:

Clock Spring Inspection [Two Step Deployment Control System]
1. Disconnect the negative battery cable and wait for 1 min or more.. 2. Remove the driver?side air bag module.. 3. Remove the steering wheel.. 4. Remove the column cover.. 5. Remove the clock spring.. 6. Verify that the continuity is as indicated in the table. If not as indicated ...

Relay And Fuse Block Middle Cover Disassembly/Assembly
1. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure. 2. While pressing the relay and fuse block middle cover tab in the direction of arrow (1) shown in the figure, pull out the bracket in the direction of arrow (2) to detach the relay a ...

Map Light Inspection
Front Map Light 1. Disconnect the negative battery cable.. 2. Remove the front map light.. 3. Verify that the continuity between the front map light terminals is as indicated in the table. If not as indicated in the table, replace the front map light or front map light bulb ...

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