Removing and installing holders for control motors on right "“Low”" air conditioner (or heater with no air conditioner) — AUDI

🧭 Before you start

Fits: Audi A4 B9 (8W, 2015–)

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• Check the wiring harness (D). It must not come into contact with moving components.

📋 Procedure

1. ⚠ A cam plate and various actuating levers are held in position by way of the holder.On account of the connections to the actuators located behind, the holder can only be re-installed after removing the dash panel.Only remove the holder if expressly instructed to do so. — Move the front right seat (front passenger seat) as far back as it will go.
2. Switch off the ignition.
3. Remove the glove box General body repairs, interior68Shelves/storage compartments/covers; Removing and installing glove box.
4. Remove the right footwell vent (front passenger side) .
5. If fitted, remove the air duct for glove box cooling .

6. Remove the air duct to the dash panel vent . [Note: Do not remove the dash panel cross-member; depending on the vehicle model, removal of the dash panel cross-member may involve taking out the windscreen General body repairs, interior70Dash panel; Removing and installing dash panel.]
7. ⚠ The air conditioner will not function properly if control motors and/or the corresponding connectors are interchanged .The control motors and connectors are identical. If these are incorrectly installed or connected, the corresponding flaps can no longer be properly matched and/or actuated.Mark control motors and connectors clearly before detaching or removing to prevent incorrect installation. — Remove the following control motor.
8. Screw out the bolts (B).
9. Grasp the cam plate (C) and remove the holder (A).
10. Check the actuating arms to the various flaps (A, B) for correct positioning in the cam plate (C) as well as for proper operation.
11. Insert the cam plate (C) and check for proper operation.
12. Check the actuating arm (D) for correct positioning in the cam plate (C) as well as for proper operation.
13. Fit the holder (A).
14. Tighten the bolts (B).
15. Check the wiring harness (D). It must not come into contact with moving components.
16. Check operation of the actuators by turning the cam plate (C)
17. Install the air distribution flap control motor V428.
18. Perform basic setting and final control diagnosis for the air conditioner "“Guided fault-finding”" mode. [Note: The control motors on this vehicle are equipped with electronics. A new control motor only learns its position at the heater and air conditioning unit in the course of basic setting and can then be actuated by the front air conditioner operating and display unit E87 (all control motors are identical at present) "“Guided fault-finding”" mode.During basic setting, the control motors are assigned and adapted in accordance with the series connection of the wiring. If the sequence is not as specified, the matching of the control motors and thus flap control will not be correct Overview of control motors of air conditioner.]
19. Interrogate the event memory of E87 and erase any faults displayed "“Guided fault-finding”" mode.

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