Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
Pressure Switch (Dual Switch)
INSPECTION
1. Connect the manifold gauge to the service valve on high-pressure side.
2. Remove the pressure switch harness connector. Using a circuit tester, inspect the ON-OFF operation of pressure switch.