Mazda CX-5 Service & Repair Manual: Refrigerant Pressure Sensor Inspection [Full Auto Air Conditioner]

Mazda CX-5 Service & Repair Manual / HVAC / A/C / 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..

Terminal 2BB: Approx. 5 V (Ignition switch on)
Terminal 2AJ: 1.0 V or less

If the each voltage is not normal, inspect the related wiring harness.

If there is any malfunction, replace the related wiring harness.
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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Drive Belt Inspection
Generator Drive Belt NOTE: The generator drive belt deflection/tension inspection is not necessary with the adoption of the drive belt auto tensioner. 1. Verify that the indicator part of the cast hexagon on the drive belt auto tensioner is within the normal range. If ...

Customer Assistance (Canada)
Satisfaction Review Process Your complete and permanent satisfaction is of primary concern to Mazda. All Authorized Mazda Dealers have both the knowledge and tools to keep your Mazda in top condition. In our experience, any questions, problems, or complaints regarding the operation of your Ma ...

Refrigerant Pressure Sensor [Full Auto Air Conditioner]
Purpose The refrigerant pressure sensor detects the refrigerant pressure in the refrigerant cycle. Function The refrigerant pressure sensor converts the detected refrigerant pressure to an electric signal and sends it to the PCM. Construction The refriger ...