Audi TT (2007 year). Manual - part 177

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.

8J0-050080409

85

86

87

88

89

90

91

92

93

94

95

96

97

98

B421

T54/18

R

36

T20d/10

J

533

or/br

0,35

T32a/32

J

525

T8a/10

R

T8a/10

J

503

T54a/2

R

78

T8a/10

J

401

T38/23

J

525

T8m/1

R

146

or/br

0,35

or/br

0,35

or/br

0,35

or/br

0,35

or/br

0,35

or/br

0,35

or/br

0,35

or/br

0,35

##

✱

♦

✱ ✱

✱ ✱ ✱

#

#

✱ ✱ ✱

###

T2l/2

or/br

0,35

J

401

♦♦

T12t/2

R

199

or/br

0,35

♦♦♦

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Infotainment CAN bus, low 1

J401 Navigation system with CD drive control unit

J503 Control unit with display for radio and navigation system

J525 Digital sound package control unit

J533 Data bus diagnostic interface

R

Radio

R36 Telephone transmitter and receiver unit

R78 TV tuner

R146 Satellite radio

R199 Connection for external audio source

T2l

2-pin connector, black, connector CAN, on navigation system

with CD drive control unit

T8a 8-pin connector, black, radio pin connector D

T8m 8-pin connector, on satellite radio

T12t 12-pin connector, black, behind the dash panel on right

T20d 20-pin connector, black, on data bus diagnostic interface

T32a 32-pin connector, black, on digital sound package control unit

T38 38-pin connector, black, on digital sound package control unit

T54 54-pin connector, connector A, on telephone transmitter and

receiver unit

T54a 54-pin connector, on TV tuner

B421 Connection 1 (infotainment CAN bus, low), in main wiring harness

*

Navigation system RNS-low (7Q9)

**

Navigation system RNS-E (7Q2)

***

radio with standard soundsystem (9VD)

#

radio with BOSE soundsystem (8RY)

##

models with preparation for mobile telephone (9ZF)

### only USA

♦

models with TV tuner

♦♦

models with navigation system Japan (7Q4)

♦♦♦ models with Audi Music Interface (UF7)

 Audi TT

Current Flow Diagram

No.  50 / 8

Edition  04.2009

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.

Power operated convertible top

⇒ Electric windbreak

⇒ Heated rear window

from June 2009
Notes:

For information concerning

♦ Position of relays and fuses
♦ Multi-pin connections
♦ Control units and relays
♦ Earth connections
⇒  List of Fitting Locations!

For information concerning

♦ Fault Finding Programs
⇒  guided fault finding

 Audi TT

Current Flow Diagram

No.  51 / 1

Edition  10.2010

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.

8J0-051020409

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J

256

SF

8

20A

8a

SF

11

25A

ro

10,0

ro

16,0

B301

D1

SD

2

110A

11

11a

T10v/8

30

br

2,5

T10v/9

31

51

30A

4

SF

4

ro/sw

2,5

ro

6,0

ro/gr

2,5

4a

✱

or/gn

0,35

T20v/9

•

or/gn

0,35

T20d

/15

J

533

B397

•

or/br

0,35

T20v/10

•

or/br

0,35

T20d

/5

J

533

B406

•

B302

ro

2,5

8

T10v/5

30

br

2,5

T10v/4

31

51

✱ ✱

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Convertible roof actuation control unit, fuses

J256 Convertible roof actuation control unit

J533 Data bus diagnostic interface

SD2 Fuse 2 on fuse holder D

SF4 Fuse 4 on fuse holder F

SF8 Fuse 8 on fuse holder F

SF11 Fuse 11 on fuse holder F

T10v 10-pin connector, black, connector A, on convertible roof

actuation control unit

T20d 20-pin connector, black, on data bus diagnostic interface

T20v 20-pin connector, red, connector B, on convertible roof actuation

control unit

51

Earth point, on right in luggage compartment

B301 Positive connection 5 (30), in main wiring harness

B302 Positive connection 6 (30), in main wiring harness

B397 Connection 1 (convenience CAN bus, high), in main wiring

harness

B406 Connection 1 (convenience CAN bus, low), in main wiring

harness

•

CAN bus (data wire)

*

main fuse box, in luggage compartment, rear right, on the battery

**

manual convertible roof actuation

 Audi TT

Current Flow Diagram

No.  51 / 2

Edition  10.2010

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.

8J0-051031010

15

16

17

18

19

20

21

22

23

24

25

26

27

28

J

256

1

bl/ws

0,35

T20v

/16

L

72

2

gn/ws

0,35

T20v/5

E

137

gr/bl

0,35

3/58s

88

br

0,35

4/31

92

br

1,0

br

0,35

388

389

br

2,5

390

br

4,0

43

T20v/7

br/ro

0,35

sw

0,5

T52a/40

br/ro

0,35

J

519

✱

F

172

sw

0,5

T

2al/2

F

170

sw

0,5

br/gr

0,35

T

2ak/1

sw

0,5

T

2ak/2

T

2al/1

✱

br

0,35

48

T10v/3

T10v

/10

sw

2,5

ro

2,5

V

118

M

T

2z/1

T

2z/2

1

ro

sw

2

88

92

48

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Convertible roof actuation control unit, right and front latch

switch for convertible roof, convertible roof actuation

button, convertible roof actuation switch illumination bulb,

convertible roof actuation hydraulic pump

E137 Convertible roof actuation switch

F170 Right latch switch for convertible roof

F172 Front latch switch for convertible roof

J256 Convertible roof actuation control unit

J519 Onboard supply control unit

L72 Convertible roof actuation switch illumination bulb

T2z 2-pin connector, black, in rear left side panel

T2ak 2-pin connector, black, right of A-pillar

T2al 2-pin connector, black, left of A-pillar

T10v 10-pin connector, black, connector A, on convertible roof

actuation control unit

T20v 20-pin connector, red, connector B, on convertible roof actuation

control unit

T52a 52-pin connector, black, on onboard supply control unit

V118 Convertible roof actuation hydraulic pump

43

Earth point, lower part of right A-pillar

388 Earth connection 23, in main wiring harness

389 Earth connection 24, in main wiring harness

390 Earth connection 25, in main wiring harness

*

manual convertible roof actuation

 Audi TT

Current Flow Diagram

No.  51 / 3

Edition  10.2010