Audi Workshop Service and Repair Manuals > A1 > Heating, ventilation, air conditioning system | Heating and air conditioning | Air conditioner | Components of manually controlled air conditioner | Removing and installing fresh air and air recirculation flap control motorV154

Removing and installing fresh air and air recirculation flap control motorV154

Removing and installing fresh air and air recirculation flap control motor -V154-

Note

t	„Guided fault-finding“ is not possible on vehicles with a heater.

t	With a manually controlled air conditioner, operation of the control motor can additionally be checked by way of „Final control diagnosis“ in the „Guided fault-finding“ function → Vehicle diagnostic tester.

Removing

–	Remove the fresh air blower → Chapter.

–	Screw out the bolts -2, 4-.

–	Release the fasteners -arrows- and detach the mount with control motor -1-.

–	Unplug the connector -3-.

–	Carefully press the retainer tabs -arrows- outwards and take the control motor -A- out of the mount -B-.

Installing

l	Tightening torque → Chapter.

Install in reverse order, paying attention to the following:

Note

The control motor mount must be replaced if the retainer tabs in the mount have broken off.

–	Insert the new control motor -A- in the mount -B-.

–	The fresh air flap must be in the „Open“ position.

–	The air recirculation flap must be in the „Closed“ position.

–	Insert the mount -1- at the housing, making sure the gear wheel -2- at the control motor engages as shown in the gear wheel -3- at the fresh air flap lever and the gear wheel -4- at the air recirculation flap lever.

–	Press the mount with control motor fully onto the housing.

Note

t	The mount is not properly positioned on the housing if the bolts cannot be fitted.

t	Pay attention to correct mutual positioning of the gear wheels on assembly (large tooth and large gap)

–	Route the wiring harness such that it cannot come into contact with moving components (e.g. control motor lever).

–	To check operation of the control motor, connect an adapter cable → Chapter or use a test lead from the adapter set -V.A.G 1594C- to connect contacts „5“ and „6“ of the control motor by way of a 5 A fuse to a 12 V battery.

Note

Allow the control motor to turn as far as the stop. The direction of rotation can be reversed by interchanging positive and negative.

–	Fit the fresh air blower → Chapter.

–	Vehicles with heater: Check operation of the control motor → Chapter.

–	Vehicles with manually controlled air conditioner: On completion of repair work, perform the following operations on the operating unit in the „Guided fault-finding“ function → Vehicle diagnostic tester:

–	Perform final control diagnosis.

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