Operation CHARM: Car repair manuals for everyone.

Refrigerant Pressure Sensor / Switch, HVAC

Low Pressure A/C Compressor Clutch Switch Open Below 1.2 Bar (bar)
A/C Compressor Clutch Switch Closed Above 2.4 Bar (bar)
High Pressure A/C Compressor Clutch Switch Closes Below 24.0 Bar (bar)
A/C Compressor Clutch Switch Opens Above 32.0 Bar (bar)
Radiator Cooling Fan
Between terminal 3 and 4
Switch Opens Below 12.5 Bar (bar)
Switch Opens Above 16.0 Bar (bar)