Passat L4-1984cc 2.0L DOHC (9A) (1990)
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Refrigerant Pressure Sensor / Switch: Specifications
A/C Compressor Clutch Switch Closes Above
2.0 - 3.0 bar
Between two blue wires
A/C Compressor Clutch Switch Opens Above
24.0 - 32.0 bar
Between two blue wires
Radiator Cooling Fan Switch Closes Above
12.5 - 16.0 bar
Between red and black wires
