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Home >> Ford >> 2017 >> Expedition EL SSV, RWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - General Information And Diagnostics >> Description And Operation >> Climate Control System >> Climate Control System - Vehicles With: Electronic Automatic Temperature Control (EATC) - System Operation and Component Description >> Component Description >> A/C Pressure Transducer
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A/C Pressure Transducer

The PCM monitors the discharge pressure measured by the A/C pressure transducer. As the refrigerant pressure changes, the resistance of the A/C pressure transducer changes. It is not necessary to recover the refrigerant before removing the A/C pressure transducer.

The PCM supplies a 5-volt reference voltage and ground to the A/C pressure transducer. The A/C pressure transducer then sends a voltage to the PCM to indicate the A/C refrigerant pressure.

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