Operation CHARM: Car repair manuals for everyone.
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Refrigerant Pressure Sensor / Switch: Testing and Inspection

1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.
3. Verify that the high-pressure side readings of the manifold gauge.




4. Inspect for continuity between both terminals of the refrigerant pressure switch.
5. If not as specified, replace the refrigerant pressure switch.