Audi TT (2007 year). Manual - part 270

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.

25

391_045

391_058

Convertible top operation hydraulic pump 
V118

The automatic convertible top is operated by a 
hydraulic mechanism. 
The convertible top operation control unit J256 
activates the convertible top operation hydraulic 
pump V118.
Oil flows along the hose to the two hydraulic 
cylinders.
The convertible top is opened or closed, depending 
on the direction of rotation of the pump.

The hydraulic system is self-locking. The pressure 
which is generated is retained in the system even 
after the ignition has been turned off.
The hydraulic pump is housed in the luggage 
compartment behind the driver's seat.

Convertible top lock motor V223

The convertible top lock motor V223 actuates, by 
means of a linkage, the two engaging hooks in the 
lock top parts fitted in the forward section of the 
roof.

Convertible top lock motor V223

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.

26

391_061

391_059

Electrical convertible top control system

Convertible top cover motor 

Right convertible top cover motor V381
Left convertible top cover motor V383

The left and right convertible top covers are opened and closed by the two convertible top cover motors V381 
and V383. The convertible top covers are held in the open or closed position by the motors.

Convertible top cover motor 

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.

27

391_072

391_005

Convertible top operation warning lamp K215

Convertible top operation warning lamp 
K215

The convertible top operation warning lamp K215 
is located in the dash panel insert and is activated 
by the control unit with display in dash panel insert 
J285. 
After the ignition is turned on, the convertible top 
operation warning lamp K215 comes on for approx. 
two seconds and goes off again, this being a 
function test.

The warning lamp also has the following functions:

–   It comes on when the automatic convertible top 

is opening and closing.

–   It begins to flash when one of the conditions for 

automatic opening or closing of the convertible 
top is not met and the convertible top operation 
switch is actuated.

–   It comes on when the convertible top is not fully 

open or closed.

Control unit with display in dash panel 
insert J285

Data exchange between the convertible top 
operation control unit J256 and the control unit with 
display in dash panel insert J285 takes place across 
the CAN data bus.

Based on the information received from the 
convertible top operation control unit J256, the 
control unit with display in dash panel insert J285 
activates the convertible top operation warning 
lamp K215, the signal generator in the dash panel 
insert and/or displays a message text to this effect 
via the centre display.

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.

28

Electrical convertible top control system

System overview

Convertible top operating switch E137

Steering column electronics control unit J527
Ignition "on"

Convertible top lock closed switch F295 
(left and right)

Left convertible top cover sender G596
Right convertible top cover sender G597

Convertible top right latch switch F170

Convertible top stowed switch F171

Convertible top front latch switch F172

Convertible top lock open switch F294

Convertible top front switch F202

ABS control unit J104