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Home >> Ford >> 2015 >> Focus S, Standard Trans, Gas >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - General Information (Except Electric Vehicle) >> Description And Operation >> Climate Control System - Vehicles With: Dual Automatic Temperature Control (DATC) - System Operation and Component Description >> Component Description >> Ambient Air Temperature Sensor
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Ambient Air Temperature Sensor

The Ambient Air Temperature (AAT) sensor is an input to the PCM. If the outside air temperature is below approximately 0 °C (32 °F), the PCM does not allow the A/C clutch to engage.

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