Mazda CX-5 Service & Repair Manual: Refrigerant Line
Purpose
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The system piping connects each related part of the refrigerant system.
Construction
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Block-type piping has been adopted to the pipe connection, improving the efficiency of piping related servicing.
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The pipes in the piping system consist of the following parts.
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Cooler hose (HI)
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Cooler hose (LO)
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Cooler pipe
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The pipes in the piping system are made of aluminum alloy and the hoses are made of rubber (flexible hose).
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A high-pressure charging valve is located on the cooler pipe (HI) and a low-pressure charging valve is located on the cooler pipe (LO).
Fail-safe
-
Function not equipped.
Refrigerant Charging
CAUTION:
Do not use a different type of refrigerant or charge beyond the specified
level. Otherwise, cooling ability will be lowered and the A/C compressor could
be damaged.
Chargi ...
Refrigerant Line Removal/Installation
1. Disconnect the negative battery cable..
2. Discharge the refrigerant..
3. Disconnect the engine ground.
4. Disconnect the refrigerant pressure sensor connector.
5. Remove in the order i ...
Other materials:
Presilencer
Purpose, Function
Reduces the exhaust noise.
Construction
The presilencer is installed to the rear of the TWC.
2WD
AWD
The presilencer consists of the filters, stuffing and wool-stainless.
2WD
AWD
...
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}]
...
Ion Sensor
Purpose/Function
Detects ion generation in the combustion chamber for detecting pre-ignition.
Detects ions which occur due to fuel combustion as current by applying bias
voltage to the spark plug, which is amplified in the ignition coil internal
circuit and input to the PCM.
...
