Audi Air conditioning 2003 A8 Workshop Manual page 88

Audi A8 2003 ➤
Air conditioning - Edition 09.2010
Always perform the following operations after replacing the front
operating and display unit, Climatronic control unit -J255- ⇒ "Gui‐
ded fault-finding" function of vehicle diagnostic, testing and infor‐
mation system VAS 5051. :
– Check encoding.
– Implement basic setting.
– Check adaption.
– Interrogate fault memory.
♦ As of Model Year 2009, front operating and display units, Cli‐
matronic control unit -J255- with part number 4E0 820 043 as
of index „J" are gradually being introduced ⇒ Electronic parts
catalogue . On vehicles with such front operating and display
units, the screen display for example of the „MMI" (Multi Media
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability Interface) is no longer switched to „Air conditioning" on press‐
with respect to the correctness of information in this document. Copyright by AUDI AG.
ing the buttons and actuating the controls of the front operating
and display unit. The air conditioner functions selected are in‐
corporated into the current display. On these vehicles, certain
air conditioner functions are selected and activated by way of
the rotary knob/pushbutton of the operating unit for the „MMI"
⇒ Owner's manual and ⇒ Operating instructions for „Infotain‐
ment / MMI" . In addition, front operating and display units of
this type feature an
and an button instead of the
OFF
manual .
Note
On vehicles with a front operating and display unit, Climatronic
♦
control unit -J255- with no
tions are selected by way of the „Multi Media Interface (MMI)
terminal" ⇒ Owner's manual and ⇒ Operating instructions for
„Infotainment / MMI" .
Pay attention to correct assignment of the front operating and
♦
display unit, Climatronic control unit -J255- to control unit 1 for
information electronics -J794- ⇒ Electronic parts catalogue
(different versions). In the event of incorrect assignment, the
various air conditioner functions cannot be displayed in the
MMI and selected.
8.7.1 Removing and installing front operating
and display unit, Climatronic control unit
-J255-
Removing
– Interrogate the encoding and adaption of the front operating
and display unit, Climatronic control unit -J255- by way of the
guided fault-finding „Control unit replacement" function (if the
front 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.
– Switch off ignition.
– Remove the trim for the front dash panel centre section and
the ashtray ⇒ Body Repairs; Rep. gr. 68
82
Rep. gr.87 - Air conditioning system
button instead of the
A/C
button ⇒ Owner's
ON/OFF
button, the additional func‐
Setup
button
Setup