Mazda CX-5 Service & Repair Manual: Refrigerant Pressure Check
NOTE:
-
Measure the refrigerant pressure after approx.10 min
have elapsed from engine start.
1. Install the manifold gauge..
2. Start the engine and warm it up.
3. Set the fan speed MAX HI.
4. Turn the A/C switch on.
5. Set to RECIRCULATE mode.
6. Set the temperature control to MAX COLD.
7. Set to VENT mode.
8. Close all the doors and all the windows.
9. Maintain the engine speed at 1,500 rpm
.
10. Measure the ambient temperature and high- and low- pressure side reading of the manifold gauge.
11. Verify that the intersection of the pressure reading of the manifold gauge and ambient temperature is in the shaded zone.
-
If there is any malfunction, inspect the refrigerant system according to the troubleshooting chart.
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 ...
Refrigerant Pressure Sensor Inspection [Full Auto Air Conditioner]
1. Install the manifold gauge.
2. Verify the high-pressure side reading of the manifold gauge.
3. Measure the terminal voltage at PCM terminal 2BB, 2AX and 2AJ
4. Using the graph below, measure ...
Other materials:
Precaution
Intermittent Concern Troubleshooting
Vibration method
If a malfunction occurs or becomes worse while driving on a rough road or
when the engine is vibrating, perform the following steps.
NOTE:
There are several reasons why vehicle or engine vibration could cause an
electr ...
Positive Crankcase Ventilation (PCV) Valve
Purpose, Function
Prevents release of blow-by gas (unburnt gas) into the atmosphere.
The PCV valve is open/closed by the intake manifold vacuum.
Construction
The PCV valve is installed to the oil separator.
The PCV valve consists of a spring and valve.
...
Auto Leveling Sensor Removal/Installation
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Remove the bolts.
4. Remove the auto leveling sensor.
5. Install in the reverse order of removal.
6. Perform the auto leveling system initial setting.. ...
