Air Distribution Control
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Two air distribution doors are used to direct air into the cabin. The doors are operated by stepper motors, which are controlled by the ATC module using LIN bus messages.
When the A/C system is in automatic mode, the ATC module automatically controls air distribution into the cabin in line with its 'comfort' algorithm. Automatic control is overridden if any of the TSD air distribution soft buttons are selected. Air distribution in the cabin will remain as selected until the 'Auto' switch is pressed or a different manual selection is made.