Audi TT (2007 year). Manual - part 155

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.

8J0-045081008

85

86

87

88

89

90

91

92

93

94

95

96

97

98

sw

0,5

A1

A2

0,4

65

R

111

R

93

✱

sw

0,5

A1

A2

0,4

68

R

24

R

11

✱

✱

68

65

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Aerial amplifier, radio aerial 2

R11 Aerial

R24 Aerial amplifier

R93 Radio aerial 2

R111 Aerial amplifier 2

*

rear right

**

rod aerial rear left

 Audi TT

Current Flow Diagram

No.  45 / 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.

2.5 l - Fuel injection engine (250 kW - 5 cylinder), engine code CEPA

from March 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.  46 / 1

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.

8J0-046020410

1

2

3

4

5

6

7

8

9

10

11

12

13

14

A

40

✱

ro

16,0

D1

ro/gn

4,0

B301

sw

50,0

T2b/2

ge

0,5

T75/27

J

234

T2b/1

br

0,5

T75/28

J

234

A1

B+

SD

1

40A

SD

2

110A

SD

3

110A

--

N

253

C1

T47/1

J

104

ro

16,0

E1

B299

ro

10,0

sw

70,0

F1

P4

sw

35,0

28

sw

35,0

M

B

30

ro

4,0

50

42

ro

6,0

62

B300

P2

sw

35,0

✱✱

U

6

✱✱

ro/li

0,5

B1

✱✱✱

42

62

28

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Battery, starter, battery isolation igniter, main fuse box, in

luggage compartment, rear right, on the battery

A

Battery

B

Starter

J104 ABS control unit

J234 Airbag control unit

N253 Battery isolation igniter

SD1 Fuse 1 on fuse holder D

SD2 Fuse 2 on fuse holder D

SD3 Fuse 3 on fuse holder D

T2b 2-pin connector, purple, on battery isolation igniter

T47 47-pin connector, on ABS control unit

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

U6

Slave start socket

40

Earth point, under rear right seat

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

P2

Positive connection (30), in battery wiring harness

P4

Positive connection 2 (30), in battery wiring harness

*

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

**

models with slave start socket

***

⇒ applicable recuperation Current Flow Diagram

 Audi TT

Current Flow Diagram

No.  46 / 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.

8J0-046030410

15

16

17

18

19

20

21

22

23

24

25

26

27

28

sw

25,0

✱

ro/gn

6,0

A1

SA

3

60A

SA

4

110A

D1

ro

16,0

E1

B272

ro

6,0

56

C1

sw

35,0

14

SA

1

175A

B1

SA

2

80A

J1

SA

8

SA

7

H1

G1

SA

6

F1

SA

5

40A

ro

6,0

57

272

G

C

1

C

B+

T2/1

bl

0,5

D+

bl

0,5

T8h/4

J

519

T2/2

bl/ws

0,5

DF

68

sw

25,0

14

671

bl

0,5

T52c/32

J

519

T

4a/2

#

bl

0,5

B344

##

##

✱✱

✱✱

272

14

56

57

68

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Alternator, main fuse holder, electronics box, in engine

compartment

C

Alternator

C1

Voltage regulator

J519 Onboard supply control unit

SA1 Fuse 1 on fuse holder A

SA2 Fuse 2 on fuse holder A

SA3 Fuse 3 on fuse holder A

SA4 Fuse 4 on fuse holder A

SA5 Fuse 5 on fuse holder A

SA6 Fuse 6 on fuse holder A

SA7 Fuse 7 on fuse holder A

SA8 Fuse 8 on fuse holder A

T2

2-pin connector, purple, on alternator

T4a 4-pin connector, black, in front left engine compartment

T8h 8-pin connector, black, connector F, on onboard supply control

unit

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

14

Earth point, on gearbox

671 Earth point 1, on front of left longitudinal member

B272 Positive connection (30), in main wiring harness

B344 Connection 1 (61), in main wiring harness

*

Main fuse holder, electronics box, in front left engine

compartment

**

from June 2010 ⇒ applicable recuperation Current Flow Diagram

#

up to May 2009

##

from June 2009

 Audi TT

Current Flow Diagram

No.  46 / 3

Edition  04.2010