Refrigerant Pressure Sensor / Switch: Testing and Inspection

REFRIGERANT PRESSURE SWITCH INSPECTION
1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.

High And Low Pressure Switch:

Middle Pressure Switch:

3. Verify the high-pressure side reading of the manifold gauge and continuity between the terminals B and C, and A and D is as shown.
- If not as specified, replace the front cooler pipe No.2.