3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
1. Turn back the adaptor valve handle all the way and install it to the low-pressure side service valve.
2. With the gauge manifold low-pressure service valves closed, connect the gauge manifold high-pressure side charging hose to the adaptor valve.
3. Tighten the adaptor valve handle and open the service valve.
4. If there is continuity between the dual-pressure switch terminals when the low-pressure side pressure is at the level of dual-pressure switch ON
condition shown to the left, the switch is functioning normally. It not, replace the switch.
