Audi TT - Page 60

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.
❑ In order for the passenger compartment ventilation to function properly, the air ducts that run through
the luggage compartment trim must be unobstructed.
❑ Checking, refer to ⇒ “4.9 Passenger Compartment Forced Air Extraction, Checking“, page 98 .
6 - Heated Rear Window -Z1-
❑ The command to heat the rear window is sent by the Climatronic control module -J255- via the Comfort
databus system. The Heated Rear Window is controlled by the Vehicle electrical system control module
-J519- . Refer to ⇒ Electrical Equipment; Rep. Gr. 97 ; General Information and Vehicle diagnosis,
testing and information system -VAS5051B- in the "Guided Fault Finding".
❑ Notes on function of heated rear window. Refer to
⇒ “4.11 Rear Window Defogger, Checking “, page 101 .
❑ Removing and installing rear window. Refer to⇒ Body Exterior; Rep. Gr. 64 ; Removal and Installation .
Note
7 - Fluid Reservoir
❑ May be removed only after draining refrigerant circuit. Bring vehicle to a workshop that has the necessary
tools and where the work can be performed by qualified personnel. Refer to ⇒ Refrigerant R134a Serv‐
icing; Rep. Gr. 00 ; General Information .
❑ Removing and installing, refer to ⇒ “5.18.11 Fluid Reservoir“, page 175 .
Note
❑ Dryer cartridge (on a condenser with an integrated fluid reservoir), removing and installing, refer to
⇒ “1.11 Dryer Cartridge“, page 33 .
8 - Condenser
❑ May be removed only after draining refrigerant circuit. Bring vehicle to a workshop that has the necessary
tools and where the work can be performed by qualified personnel. Refer to ⇒ Refrigerant R134a Serv‐
icing; Rep. Gr. 00 ; General Information .
❑ Different versions (depending on vehicle equipment level), refer to the Electronic Parts Catalog (ETKA).
❑ Refrigerant lines, disconnecting and reconnecting, refer to
⇒ “5.18.12 Refrigerant Lines, Disconnecting and Connecting from Condenser“, page 178 .
❑ Condenser, removing and installing, refer to ⇒ “5.18.3 Condenser“, page 159 or
⇒ “5.18.4 Condenser“, page 161 .
9 - Outside Air Temperature Sensor -G17-
❑ Measured value of Outside Air Temperature Sensor -G17- is evaluated by Instrument Cluster Control
Module -J285- and transmitted via Comfort CAN-Bus system to Climatronic control module -J255- .
Check using Vehicle diagnosis, testing and information system -VAS5051B- in the "Guided Fault Find‐
ing".
Removing and Installing
– Remove the bumper cover. Refer to ⇒ Body Exterior; Rep. Gr. 50 ; Removal and Installation .
– Disconnect connector on temperature sensor and unclip from mount in air duct.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
56 Rep. Gr.87 - Air Conditioning