Mazda CX-5 Service & Repair Manual: 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 and verify the terminal voltages at 2AX.
5. Follow the PCM inspection when measuring the other terminal voltages..
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Terminal 2BB: Approx. 5 V (Ignition switch on)
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Terminal 2AJ: 1.0 V or less
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If the each voltage is not normal, inspect the related wiring harness.
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If there is any malfunction, replace the related wiring harness.
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If wiring harness is normal, replace the refrigerant pressure sensor.
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 ...
Refrigerant Pressure Sensor Inspection [Manual 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 terminals 2BB, 2AX and 2AJ
4. Using the graph below, measure ...
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Overheating
Overheating
If the High engine coolant temperature warning light illuminates, the vehicle
loses power, or you hear a loud knocking or pinging noise, the engine is probably
too hot.
WARNING
Switch the ignition to off and make sure the fan is not running before attempting
to work near the c ...
