Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Refrigerant Pressure Sensor / Switch: Testing and Inspection

REFRIGERANT PRESSURE SWITCH INSPECTION

1. Install the manifold gauge set.
2. Disconnect the refrigerant pressure switch connector.










3. Verify the high-pressure side reading of the manifold gauge and continuity between the terminals of the refrigerant pressure switch.
- If not as specified, replace the refrigerant pressure switch.