Audi TT (2007 year). Manual - part 107

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.

8J0-023020909

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J

527

ro

6,0

B300

ro

10,0

SC

32

5A

32

32a

T20c/13

T20c

/20

31

br

1,0

44

SD

3

110 A



br

2,5

374

ro/bl

0,5

10

sw/ws

0,35

T20c/16

ge/bl

0,35

J

623

T10p/2



E

313

F

189



T20c

/17

15

sw/ws

0,35

T12e

/11

J

519

T20c

/18

50

ro/sw

0,35

T12e/1

J

519

T20c

/19

30

ro/bl

0,5

1

ro

16,0

B299

E1





#

#

##

T52c

/31

T52c/14

##

10

1

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Steering column electronics control unit, fuses

E313 Selector lever

F189 Tiptronic switch

J519 Onboard supply control unit

J527 Steering column electronics control unit

J623 Engine control unit

SC32 Fuse 32 on fuse holder C

SD3 Fuse 3 on fuse holder D

T10p 10-pin connector, on Tiptronic switch

T12e 12-pin connector, black, connector G, on onboard power supply

control unit

T20c 20-pin connector, black, connector A, on steering column

electronics control unit

T52c 52-pin connector, brown, on onboard supply control unit

44

Earth point, lower part of left A-pillar

374 Earth connection 9, in main wiring harness

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

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

*

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

**

models with direct shift gearbox 02E and automatic gearbox

***

⇒ Engine Current Flow Diagram

#

up to May 2009

##

from June 2009

 Audi TT

Current Flow Diagram

No.  23 / 2

Edition  04.2010

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.

8J0-023030410

15

16

17

18

19

20

21

22

23

24

25

26

27

28

J

527

+

E

221

J

453

H

ws

0,35

T4d/1

J

234

T75/22

ge

0,35

T4d/2

T75/23

or

0,35

T4d/4

T75/37

br

0,35

T4d/3

T75/38

✱

✱

F

138

T10ah

/9

T10ah

/10

15

T10ah/7

31

N

95

N

250

T10ah

/8

T10ah

/4

--

T10ah

/5

LIN

T10ah

/3

T10ah

/6

H

E

439

E

438

or/br

0,35

or/sw

0,35

T20c

/11

T20c

/12

B390

B383

••

✱✱

✱✱

or/gn

0,35

T20c

/15

T20c

/14

B406

B397

••

or/br

0,35

ws

0,5

ge

0,5

br

0,5

sw

0,5

✱✱

✱✱

✱✱

✱✱

✱✱✱

✱

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Steering column electronics control unit, operating unit in

steering wheel, airbag coil connector and return ring with

slip ring

E221 Operating unit in steering wheel

E438 Tiptronic switch in steering wheel to shift up

E439 Tiptronic switch in steering wheel to shift down

F138 Airbag coil connector and return spring with slip ring

H

Horn plate

J234 Airbag control unit

J453 Multifunction steering wheel control unit

J527 Steering column electronics control unit

N95 Driver side airbag igniter

N250 Driver side airbag igniter 2

T4d 4-pin connector, yellow, on steering column electronics control

unit

T10ah 10-pin connector, on steering column electronics control unit

T20c 20-pin connector, black, connector A, on steering column

electronics control unit

T75 75-pin connector, yellow, on airbag control unit

B383 Connection 1 (drive train CAN bus, high), in main wiring harness

B390 Connection 1 (drive train CAN bus, low), 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)

*

short circuit bridge becomes effective when connector is

unplugged

**

up to May 2009

***

from June 2009

 Audi TT

Current Flow Diagram

No.  23 / 3

Edition  04.2010

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.

Preparation for radio (8YU)

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.  24 / 1

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.

8J0-024020806

1

2

3

4

5

6

7

8

9

10

11

12

13

14

SC

34

15A

34

br

2,5

610

SD

3

110A

✱

SC

32

5A

34a

br

1,5

ro

6,0

32

B340

32a

380

gr/bl

0,5

T12c/12

58s

J

519

T8c/8

T8c/7

ro/ws

1,5

ro

16,0

B300

T8c/6

gr/bl

0,5

gr/bl

0,5

B341

58s

sw

0,5

A2

0,14

A1

R

24

sw

0,5

sw

0,5

T

2d/2

T

2d

/1

0,4

sw

0,5

C2

C1

E1

30

31

B299

ro

6,0

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 supply

J519 Onboard supply control unit

R24 Aerial amplifier

SC32 Fuse 32 on fuse holder C

SC34 Fuse 34 on fuse holder C

SD3 Fuse 3 on fuse holder D

T2d 2-pin connector, white, on rear right roof frame

T8c 8-connector, black, preparation for radio supply

T12c 12-pin connector, black, connector B, on onboard power supply

control unit

380 Earth connection 15, 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

B340 Connection 1 (58s), in main wiring harness

B341 Connection 2 (58s), in main wiring harness

*

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

 Audi TT

Current Flow Diagram

No.  24 / 2

Edition  08.2006