System Airflow Description - EATC: Auto

WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

When AUTO is selected:

the temperature control setting is manually set to the desired setting.
the air inlet door actuator is automatically controlled by the EATC module, based on the temperature setting.
the mode door actuators are automatically controlled by the EATC module based on the temperature setting.
the A/C compressor is automatically controlled by the EATC module based on the temperature setting. The A/C compressor will not operate if the outside temperature is below approximately 6°C (43°F).
the A/C request button or the RECIRC request button, if pressed, will transfer the system to semi-auto operation.
the blower motor is ON. The blower motor speed is automatically controlled by the EATC module based on the temperature setting, but can be manually overridden.