9-3 (9440) L4-2.0L Turbo (2.0 HOT) (2003)
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Control Module HVAC: Description and Operation
Manual Climate Control (504)
Control Panel, Manual Climate Control (504)
Main task
The control panel processor receives information from the heating/air distribution knob potentiometers, calculates and ensures that the DC motors for
heating/air distribution positions correspond to the selections made by the user.
Type
Contains a microprocessor, see MCC, general description. Is not connected to a bus.
Power supply, ground and bus communication
