Heating Ventilation Air Conditioning (HVAC) Control Module - Electronic Automatic Temperature Control (EATC)
WARNING: This page is about a different car, the 2015 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.
All customer requests for the EATC climate control system come through the HVAC control module. The HVAC control module adjusts the climate control system components to achieve the desired state based on the temperature selection and sensor inputs.