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
with respect to the correctness of information in this document. Copyright by AUDI AG.
Note
♦
On vehicles with heating (without A/C system), a Climatronic
control module is installed instead of the A/C control head.
There is no Instrument Panel Interior Temperature Sensor -
G56- and no Interior Temperature Sensor Fan -V42- installed
in the Climatronic control module heater control head.
♦
The Climatronic control module, can currently be exchanged
as usual, component protection is not active at this time.
Check using Vehicle diagnosis, testing and information sys‐
tem -VAS5051B- in the "Guided Fault Finding" function.
♦
If a Climatronic control module with active component protec‐
tion (anti-theft system) is installed in a different vehicle, only
the functions necessary for vehicle safety can be selected,
comfort functions can no longer be selected. Check using Ve‐
hicle diagnosis, testing and information system -VAS5051B-
in the "Guided Fault Finding" function.
♦
Component protection (anti-theft system, introduction not yet
finalized) can only be cancelled by entering specific vehicle
data using Vehicle diagnosis, testing and information system
-VAS5051B- in the "Guided Fault Finding" function.
♦
When replacing a Climatronic control module, observe exact
allocation. Refer to Electronic Parts Catalog (ETKA). Different
versions, with or without seat heating switch, with different
temperature unit (ºC or ºF) on temperature setting rotary
switch, rotary switches with black or silver surface.
♦
If a new Climatronic control module was installed and basic
setting was not performed, A/C system regulation is limited
and this is displayed in the DTC memory as a malfunction.
After installing the Climatronic control module, perform a basic
setting to the A/C (heater) according to Vehicle diagnosis,
testing and information system -VAS5051B- in the "Guided
Fault Finding" function.
♦
The Climatronic control module buttons and rotary switches
are lit with light diodes (LEDs, that cannot be replaced).
♦
The function and indicator lights in the buttons and in the rotary
switches cannot be replaced separately.
♦
If the Instrument Panel Interior Temperature Sensor -G56-
measurement is incorrect, check Climatronic control module
intake grille trim (it must not be closed) and function of the
Interior Temperature Sensor Fan -V42- using Vehicle diagno‐
sis, testing and information system -VAS5051B- in the "Gui‐
ded Fault Finding" function.
♦
The selected functions are displayed when the function lights
in the various Climatronic control module buttons, rotary
switches or display fields light up.
♦
From May 2007, a A/C air distribution housing with a door in
the air outlet to the defroster vents in the instrument panel
without a side cut-out is gradually being installed. With the in‐
troduction of the door without the side cut-out, the Climatronic
control module -J255- is also changed (due the missing cut-
out, the door must be open wider to direct the same amount
of air to the windshield). Refer to the Electronic Parts Catalog.
The Climatronic control module, part number “8J0 820 043“
through index “AA“ only may be installed only in vehicles which
have a A/C air distribution housing with a door in the air outlet
to the defroster vents in the instrument panel without a side
cut-out (exception: vehicles that will only be driven in tropical
regions). Refer to
⇒ “1.6 A/C Air Distribution Housing Defroster Outlet Door“,
page 30 . With the Climatronic control module part number
“8J0 820 043“ from index “AB“ the “adaptation“ function, the
version of the door in the air outlet to the defroster vents in the
instrument panel) can be entered (Climatronic control module
adapting) using Vehicle diagnosis, testing and information
system -VAS5051B- in the "Guided Fault Finding" function.
♦
5 cylinder vehicle may only have heater controls, part number
8J0 819 043 starting with index “D“. Refer to the Electronic
Parts Catalog and Vehicle diagnosis, testing and information
system -VAS5051B- in the "Guided Fault Finding" function.
♦
5 cylinder vehicle may only have A/C controls, part number
8J0 820,043 starting with index “D“. Refer to the Electronic
Parts Catalog and Vehicle diagnosis, testing and information
system -VAS5051B- in the "Guided Fault Finding" function.
♦
Starting with model year 2011, A/C system control heads—
part number 8J0 820,043, beginning with index “BA“—shall be
gradually installed. These control modules possess an added
function for the expanded change indicator that is part of the
efficiency indicator for the on-board computer. Therefore, no
A/C control head—part number 8J0 820 043 through index
“AS“—is allowed to be installed in a vehicle with an expanded
on-board computer's change indicator. The A/C control heads
—part number 8J0 820 043 beginning with index “BA“ are easy
to identify because of the silver (chrome-plated) knobs. Refer
to Electronic Parts Catalog (ETKA), Vehicle diagnosis, testing
and information system -VAS5051B- in the "Guided Fault
Finding" function and the vehicle owner's manual.
♦
Starting with model year 2011, heating system control heads
—part number 8J0 819 043, beginning with index “H“—shall
be gradually installed. These control modules possess an
added function for the expanded change indicator that is part
of the efficiency indicator for the on-board computer. There‐
fore, no heater control head—part number 8J0 819 043
through index “AS“—is allowed to be installed in a vehicle with
an expanded on-board computer's change indicator. The
heater control heads—part number 8J0 819 043 beginning
with index “H“ are easy to identify because of the silver
(chrome-plated) knobs. Refer to Electronic Parts Catalog (ET‐
KA), Vehicle diagnosis, testing and information system -
VAS5051B- in the "Guided Fault Finding" function and the
vehicle owner's manual.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
32 Rep. Gr.87 - Air Conditioning
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