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Home >> Lincoln >> 2009 >> Navigator 4WD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Climate Control System >> Description And Operation >> Control Components >> Electronic Automatic Temperature Control (EATC) >> Control System Inputs - Dual-Zone Electronic Automatic Temperature Control (EATC) >> Ambient Air Temperature Sensor

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.