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Air Distribution Control

When the A/C is in the automatic mode, the ATC module automatically controls air distribution according to a comfort strategy. Automatic control is overridden when one of the manual modes is selected. Air distribution remains manually controlled until the automatic mode is selected again. The distribution doors are operated by two stepper motors, which are controlled by the ATC module using LIN bus messages.

When air distribution is selected to a combination of face and feet, if the air is being heated the distribution is biased towards the feet. If the air is being cooled the distribution is biased towards the face.

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