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
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