Removing and installing operating and display unit, Climatronic control unit J255 — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Special tools named: VAS 5051

Don't miss

• The trim (A) under the operating and display unit, Climatronic control unit J255 is only to be removed after taking out J255General body repairs, interior68 (removing and installing storage compartments).
• The felt strip (B) is bonded onto the area with the rough surface.

📋 Procedure

1. Interrogate the encoding and adaption of the operating and display unit, Climatronic control unit J255 by way of the "“Control unit replacement”" function in the guided fault-finding routine (if the operating and display unit, Climatronic control unit J255 is to be replaced) "Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051.
2. Switch off ignition.
3. Remove the centre console handles if applicable General body repairs, interior68 [Note: There are different versions of the centre console handles (e.g. with and without leather cover). In the case of the version with leather cover, there may not be enough space to remove the operating and display unit, Climatronic control unit J255 and the handles could be damaged.]
4. Remove the trim (A) beneath the operating and display unit, Climatronic control unit J255 (at the front in the centre section of the dash panel) and the radio (B)Radio, telephone and navigation system91 and General body repairs, interior68 (removing and installing storage compartments).
5. Carefully lift the connecting link (A) to release the fasteners (B).

6. Reach from above (and below) into the centre console and release the operating and display unit, Climatronic control unit J255(C) from the centre console.
7. Remove the radio or radio navigation system Radio, telephone and navigation system91.
8. Remove the centre console handles if applicable General body repairs, interior68 [Note: There are different versions of the centre console handles (e.g. with and without leather cover). In the case of the version with leather cover, there may not be enough space to remove the operating and display unit, Climatronic control unit J255 and the handles could be damaged.]
9. Remove the trim (B) above the operating and display unit, Climatronic control unit J255 at the front in the centre section of the dash panel. General body repairs, interior68 [Note: The trim (A) under the operating and display unit, Climatronic control unit J255 is only to be removed after taking out J255General body repairs, interior68 (removing and installing storage compartments).]
10. Carefully lift the connecting link (A) to release the fasteners (B).
11. Reach from above (and below) into the centre console and release the operating and display unit, Climatronic control unit J255(C) from the centre console.
12. Release the connectors (A) to (D) by pressing the retainer tabs (E) and unplug the connectors. [Note: The operating and display unit, Climatronic control unit J255 is secured in position in the centre console by means of 4 clips (F) (2 each at top and bottom).In the event of incorrect dash panel temperature sensor G56 measurements, check the intake grille of the operating and display unit, Climatronic control unit J255 trim panel (must not be closed off) as well as operation of the temperature sensor blower V42.On replacing an operating and display unit, Climatronic control unit J255, pay attention to precise assignment (e.g. without or with heated seat control etc.). Electronic parts catalogue]
13. On Audi A3 Cabriolet, stick felt strips (B) (size: 30 x 15 x 1 mm) onto operating and display unit (Climatronic control unit J255) (A) (left and right) as shown in illustration Electronic parts catalogue. [Note: The felt strip (B) is bonded onto the area with the rough surface.]
14. Following installation, interrogate the event recorder of the operating and display unit, Climatronic control unit J255 and erase any faults displayed "Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051.
15. Perform air conditioner basic setting, encoding and adaption and if applicable final control diagnosis for the operating and display unit, Climatronic control unit J255"Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051.

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