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Home >> Ford >> 2008 >> Expedition RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System >> Description And Operation >> Control Components >> Dual-Zone Electronic Automatic Temperature Control (EATC) >> Control System Inputs - Dual-Zone Electronic Automatic Temperature Control (EATC) >> Ambient Air Temperature Sensor
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Ambient Air Temperature Sensor

The ambient air temperature sensor contains a thermistor, which measures the temperature of outside air as a resistance and sends that reading to the HVAC module.

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