Mazda CX-5 Service & Repair Manual: A/C Unit
Outline
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The A/C unit which integrates the cooling and heater units has been adopted.
Construction
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The A/C unit consists of the following parts.
Operation
Air Mix Door Operation
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The air mix door, installed in the A/C unit, controls HOT or COLD position, depending on the position of the temperature control dial. As a result, airflow distribution changes, and the airflow temperature is controlled.
Airflow Mode Door Operation
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The airflow mode doors move to VENT, BI-LEVEL, HEAT, DEF/HEAT, or DEFROSTER position, depending on the position of the airflow mode selector dial. As a result, airflow mode changes.
Fail-safe
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Function not equipped.
A/C Cut Off Control [Skyactiv G 2.0]
Outline
Controls the A/C operation by switching the A/C relay ON/OFF at the optimal
timing according to engine operation conditions. Acceleration performance and
A/C compressor reliabilit ...
A/C Unit Disassembly/Assembly
1. Disassemble in the order indicated in the table.
CAUTION:
If a non-specified grease is used, it may result in abnormal noise or improper
operation of the links. Apply only the specifie ...
Other materials:
Transfer Oil Replacement [Fw6 Ax EL]
1. Remove the front under cover No.2..
2. Remove the drain plug with the washer.
3. Drain the oil into a suitable container.
4. Tighten the drain plug with a new washer.
Tightening torque
40—58 N·m {4.1—5.9 kgf·m, 30—42 ft·lbf}
5. Remove the oil level plug with ...
Fuel Injector Inspection
Resistance Inspection
1. Disconnect the negative battery cable..
2. Remove the plug hole plate..
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector terminals A and B.
Fuel injector resistance
1.74—2.04 ohms [20 °C {68 °F}]
...
Fuel Pump Relay
Purpose, Function
Controls the fuel pump on/off according to control signals from the PCM.
The fuel pump is operated only at engine start or when the engine is running
to improve safety.
Construction
The fuel pump relay is installed in the relay and fuse block.
...
