Audi TT (2007 year). Manual - part 108

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.

8J0-024030806

15

16

17

18

19

20

21

22

23

24

25

26

27

28

R

23

2/+

ro/gr

1,0

T

20b/12

ro/gr

1,0

1/--

T8d/4

br/gr

1,0

T

20b/2

br/gr

1,0

1/--

br

0,5

2/+

ws

0,5

R

22

R

21

2/+

ro

1,0

T

20a/12

ro

1,0

1/--

T8d/6

br/ro

1,0

T

20a/2

br/ro

1,0

1/--

br

0,5

2/+

ro

0,5

R

20

T8d/3

T8d/5

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Preparation for radio loudspeakers

R20 Front left treble loudspeaker

R21 Front left bass loudspeaker

R22 Front right treble loudspeaker

R23 Front right bass loudspeaker

T8d 8-connector, brown, preparation for radio loudspeakers

T20a 20-pin connector, black, in the front left door

T20b 20-pin connector, black, in the front right door

 Audi TT

Current Flow Diagram

No.  24 / 3

Edition  08.2006

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.

Radio with standard soundsystem (9VD) Coupé

from model year 2007
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.  25 / 1

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.

8J0-025020409

1

2

3

4

5

6

7

8

9

10

11

12

13

14

R

SC

32

5A

32a

T8a/10

T8a/9

B415

31

or/li

0,35

or/li

0,35

T20d/20

J

533

or/li

0,35

•

•

or/br

0,35

or/br

0,35

T20d/10

J

533

•

•

30

or/br

0,35

B421

SC

34

15A

SC

35

30A

ro

6,0

ro

16,0

B300

E1

SD

3

110A

✱

34

35

32

ro/ws

1,5

ro/gn

4,0

34a

35a

29

ro/ws

1,0

T8a/16

30

T8a/15

30

br

1,5

T8a/12

31

br

1,5

71

br

2,5

610

380

ro

10,0

B299

br

0,5

71

br

0,5

385

20

br

0,35

31

30

20

29

71

71

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Radio, fuses

J533 Data bus diagnostic interface

R

Radio

SC32 Fuse 32 on fuse holder C

SC34 Fuse 34 on fuse holder C

SC35 Fuse 35 on fuse holder C

SD3 Fuse 3 on fuse holder D

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

T12f 12-pin connector, blue, radio connector B

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

380 Earth connection 15, in main wiring harness

385 Earth connection 20, in main wiring harness

610 Earth point (audio), under centre console, front

B299 Positive connection 3 (30), in main wiring harness

B300 Positive connection 4 (30), in main wiring harness

B415 Connection 1 (infotainment CAN bus, high), in main wiring

harness

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

harness

•

CAN bus (data wire)

*

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

 Audi TT

Current Flow Diagram

No.  25 / 2

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.

8J0-025031007

15

16

17

18

19

20

21

22

23

24

25

26

27

28

R

gn/ge

0,5

T8a/13

br

0,35

T12g/8

br

0,35

br

0,35

T32a/14

bl

0,35

T12g/3

T32a/27

gn

0,35

T12g/5

T32a/25

ge

0,35

T12g/9

T32a/32

ro

0,35

T12g/11

T32a/30

T32a

/24

J

525

br

0,35

br

0,35

T32a

/26

T32a

/29

T32a

/31

364

ge

0,35

T12f/3

gr

0,35

gn

0,35

T12f/7

T12f/1

T

4z/1

T

4z/2

T

4z/3

sw

0,35

sw

0,35

✱

✱

✱

✱

14

br

0,35

399

R

199

14

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Radio, digital sound package control unit, connection for

external audio source (Aux-In)

J525 Digital sound package control unit

R

Radio

R199 Connection for external audio source

T4z 4-pin connector, black, AUX-in bus, in centre console

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

T12f 12-pin connector, blue, radio connector B

T12g 12-pin connector, green, radio connector C

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

364 Earth connection 1 (LF), in dash panel wiring harness

399 Earth connection 34, in main wiring harness

*

from November 2007

 Audi TT

Current Flow Diagram

No.  25 / 3

Edition  04.2009