Impreza RS Coupe AWD F4-2.5L SOHC (1999)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
Pressure Switch (Dual Switch)
NOTE: Pressure switch is attached to receiver dryer. It has two built-in switches.
1. Remove cap from high-pressure line service valve, and connect gauge manifold to service valve.
2. Disconnect pressure switch harness connector, and check pressure switch for proper ON-OFF operation. Use a circuit tester.
