Trooper LS V6-3.5L (1998)
Refrigerant Pressure Sensor / Switch: Description and Operation
A/C PRESSURE SWITCH
Air conditioning system pressure below 176.5 ± 9.6 kPa (25.6 ± 2.8 psi) indicates a loss of refrigerant or refrigerant oil. The A/C pressure switch opens
with low system pressure to prevent compressor damage. Also, with system pressure above 2942 ± 196.1 kPa (426.6 ± 28.4 psi), the A/C pressure
switch opens to prevent compressor damage.
