Audi TT (2007 year). Manual — part 181

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.

8J0-054020409

1

2

3

4

5

6

7

8

9

10

11

12

13

14

J

519

SF

1

5A

SF

2

40A

T52c

/42

30

1a

SF

7

40A

7

2a

ro

6,0

SF

8

20A

8

8a

ro/li

0,5

8

ro/li

4,0

10

ro

4,0

ro

10,0

1

ro

4,0

2

B302

ro/gn

4,0

11

7a

ro/li

4,0

2

T52a/1

30

T52a/24

30

ro/gn

4,0

3

ro/li

0,5

1

J

681

1

✱ ✱

B301

ro

16,0

SD

2

110A

✱

SD

3

110A

✱

B299

B300

ro

4,0

2

ro

10,0

ro

16,0

sw/ws

0,35

T52b/12

6

sw

4,0

8

60

br

0,35

4

20

20

60

8

10

11

1

2

3

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Onboard supply control unit, terminal 15 voltage supply

relay 2, fuses

J519 Onboard supply control unit

J681 Terminal 15 voltage supply relay 2

SD2 Fuse 2 on fuse holder D

SD3 Fuse 3 on fuse holder D

SF1 Fuse 1 on fuse holder F

SF2 Fuse 2 on fuse holder F

SF7 Fuse 7 on fuse holder F

SF8 Fuse 8 on fuse holder F

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

T52b 52-pin connector, yellow, on onboard supply control unit

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

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

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

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

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

*

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

**

Relay carrier on onboard power supply control unit

Audi TT

Current Flow Diagram

No. 54 / 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.

8J0-054030409

15

16

17

18

19

20

21

22

23

24

25

26

27

28

J

519

T52a

/18

sw/ws

0,35

0 1 2 3

T10e/9

T52a

/20

ge/bl

0,35

T10e/2

T52a

/19

gr/ge

0,35

T10e/3

T52a

/22

ws/sw

0,35

T10e/1

T10e/6

31

br

0,5

E

1

375

br

1,0

T52a/23

31

br

0,5

374

T52c/5

31

br

2,5

br

2,5

44

T52b

/52

31

br

2,5

T52a

/42

31

br

2,5

br

2,5

44

392

br

0,35

13

13

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Onboard supply control unit, light switch

E1

Light switch

J519 Onboard supply control unit

T10e 10-pin connector, black, connector A, on light switch

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

T52b 52-pin connector, yellow, on onboard supply 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

375 Earth connection 10, in main wiring harness

392 Earth connection 27, in main wiring harness

Audi TT

Current Flow Diagram

No. 54 / 3

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.

8J0-054040409

29

30

31

32

33

34

35

36

37

38

39

40

41

42

J

519

T14a/9

T52a/10

sw/ws

0,5

T14a

/10

M

V

48

L

174

✱

N

395

gr/sw

0,5

T14a/1

gn/ge

0,35

T14a/2

gn/br

0,35

T14a/3

gn/gr

0,35

65

67

64

T14a/4

gr/sw

0,35

66

J

343

L

13

372

br

2,5

T14a/5

31

br

1,5

T14a/7

31

br

1,0

672

br

6,0

366

M

1

M

5

T14a/11

T52c/48

ws/sw

1,0

T14a/6

T52a/11

ge/sw

1,0

T14a

/12

T52a/7

ge/gn

1,0

T14a

/13

gr/li

0,5

M

33

✱ ✱

✱ ✱

T52c/26

65

67

64

66

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Onboard supply control unit, left gas discharge light control

unit

J343 Left gas discharge light control unit

J519 Onboard supply control unit

L13 Left gas discharge (xenon) bulb

L174 Left day driving light bulb

M1

Left side light bulb

M5

Front left turn signal bulb

M33 Front left side marker bulb

N395 Left headlight screen adjustment solenoid

T14a 14-pin connector, black, on left of headlight

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

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

V48 Left headlight range control motor

366 Earth connection 1, in main wiring harness

372 Earth connection 7, in main wiring harness

672 Earth point 2, on front of left longitudinal member

*

models with day driving light

**

only USA

Audi TT

Current Flow Diagram

No. 54 / 4

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.

8J0-054050409

43

44

45

46

47

48

49

50

51

52

53

54

55

56

J

519

T14b/9

T52c/50

sw/gn

0,5

T14b/10

M

V

49

L

175

✱

N

396

ge/ro

0,5

T14b/1

gr/bl

0,35

T14b/2

gr/br

0,35

T14b/3

gr

0,35

63

69

70

T14b/4

gr/sw

0,35

68

J

344

L

14

389

br

2,5

T14b/5

31

br

1,5

T14b/7

31

br

1,0

43

br

4,0

390

M

3

M

7

T14b/11

T52c/49

ws

1,0

T14b/6

T52c/52

ge

1,0

T52a/8

ge/bl

1,0

T14b/12

T14b

/13

gr/br

0,5

M

34

T52a/44

✱✱

✱✱

63

69

70

68

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Onboard supply control unit, right gas discharge light

control unit

J344 Right gas discharge light control unit

J519 Onboard supply control unit

L14 Right gas discharge (xenon) bulb

L175 Right day driving light bulb

M3

Right side light bulb

M7

Front right turn signal bulb

M34 Front right side marker bulb

N396 Right headlight screen adjustment solenoid

T14b 14-pin connector, black, on right of headlight

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

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

V49 Right headlight range control motor

43

Earth point, lower part of right A-pillar

389 Earth connection 24, in main wiring harness

390 Earth connection 25, in main wiring harness

*

models with day driving light

**

only USA

Audi TT

Current Flow Diagram

No. 54 / 5

Edition 04.2009