Outback Limited Wagon AWD F4-2.5L SOHC (2002)
Refrigerant Pressure Sensor / Switch: Description and Operation
Pressure Switch
The pressure switch is located on the high-pressure line to the receiver drier. When an abnormally high or low pressure occurs in the high-pressure line,
the pressure switch turns OFF to stop operation of the compressor.
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When the pressure is abnormally low [177 kPa (1.8 kg/sq.cm, 26 psi) or less]
The pressure switch turns OFF assuming that the refrigerant is lost due to leakage.
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When the pressure is abnormally high [2,940 kPa (30 kg/sq.cm, 427 psi) or more]
The pressure switch turns OFF to prevent the system from being damaged.
