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– Install the bracket -A-, make sure the guides on the bracket
-B- are inserted correctly into the intake housing mount -C- and
that the bracket is engaged correctly in both catches -D- and
-E-.
– Check both motors, it must be held in its position by bracket
-A-, if it is not installed free of play, use some foam to rectify
play if necessary, attaching it to inside of mounting points -F-
of bracket -A-.
Note
♦
The position of the airflow door motor and of the recirculation
door motor -V113- is no longer visible when the glove com‐
partment is installed. Make sure they are working correctly
before installing the glove compartment.
♦
If both toothed gears (on airflow door motor -V71- and air flow
door) assembled in the incorrect position, air flow door will not
reach its two end positions (may be detected as a malfunction
via “Basic Setting“ function) or motor does not run cleanly and
without hitching.
– Switch ignition on.
– Check A/C control head DTC memory and delete any mal‐
functions shown using Vehicle diagnosis, testing and informa‐
tion system -VAS5051B- in the "Guided Fault Finding"
function.
– Perform a basic setting on the A/C and then check the A/C
DTC memory one more time. Refer to Vehicle diagnosis, test‐
ing and information system -VAS5051B- in the "Guided Fault
Finding" function.
– Activate Airflow door motor -V71- and recirculation door motor
via Climatronic control module -J255- as follows until toothed
gear reaches stop “recirculating air mode“ (this illustration de‐
picts air flow door -A- at stop for “fresh air mode“) and then
check position of air flow door, it must be closed.
– Next, select “Recirculation mode“ function on Climatronic con‐
trol module.
Recirculation door motor opens door -E- and Airflow door motor
-V71- sets air flow door -A- into position “air intake opening for
recirculating air mode open“.
Wait until both motors have reached their end positions.
– Select “Defrost“ operating mode on Climatronic control mod‐
ule -J255- (press
Defrost
button, indicator light in
Defrost
button lights up; positioning motors are always placed in “fresh
air mode“ position in this operating mode).
Airflow door motor sets air flow door -A- into “air intake opening
for recirculating air mode closed“ position, Recirculation door Mo‐
tor -V113- sets door -E- into a position specified by Climatronic
control module.
Wait until both motors have reached their end positions.
Install all remaining removed components in reversed order.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
5. Removal and Installation
129