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Refrigerant Pressure Sensor / Switch: Testing and Inspection

DUAL PRESSURE SWITCH

This vehicle is equipped with switch which operates according to high or low pressure.




1. Check switches for continuity at normal temperature (approx. 25 °C, 77 °F) when A/C system has a proper charge of refrigerant and when A/C system (compressor) is under operation. In each of these cases, switches should show proper continuity.




2. When pressure is following specified pressure, switch should show no continuity.
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