9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009)
Air Door Actuator / Motor: Description and Operation
Motor, Air Distribution, Floor (715)
Motor, Air Distribution, Floor (715)
Location
Motor, air distribution, floor (715).
Main task
The stepping motor is connected via a linkage to damper for the floor vent, which is used for both climate zones.
Type
The unipolar stepping motor consists of a rotor (10 poles) and four stator windings. A gearbox transfers the power from the rotor to the lever which
controls the damper.
Connect
The four stepping motor windings receive a common B+ feed from ACC unit pin 32 (K32).