100CS Quattro Wagon V6-2.8L (AAH) (1992)
Ambient Temperature Sensor / Switch HVAC: Testing and Inspection
Outside (ambient) temperature switch -F38-, checking
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Switches A/C compressor clutch OFF at low outside (ambient) temperatures
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Compressor OFF below -1 °C (30 °F)
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Compressor ON above +7 °C (45 °F)
Checking
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Place switch in freezer
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Must be no continuity between switch terminals below -1 °C (30 °F)
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Must be continuity between switch terminals above +7 °C (43 °F)