Audi TT (2007 year). Manual - part 175

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.

8J0-049080409

85

86

87

88

89

90

91

92

93

94

95

96

97

98

J

255

T3ae/1

sw/gn

1,5

T16c/10

sw/ws

0,5

G

344

✱

ϑ

br/ws

0,35

411

411

ro/bl

2,5

T3ae/2

20

T

6d/4

Z

45

✱ ✱

T

6d/2

sw/ws

0,35

br/sw

0,35

T3ae/3

sw/ge

1,5

T

6e/4

Z

46

✱ ✱

T16c/9

ge/bl

0,5

G

345

ϑ

br/ws

0,35

T

6e/2

sw/ws

0,35

br/sw

0,35

E

94

E

95

br/ws

0,35

T

6e/1

✱ ✱ ✱

T16d/2

br/ws

0,35 ✱ ✱ ✱

88

br/ws

0,35

✱ ✱ ✱

T

6d/1

95

20

88

95

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Climatronic control unit, heated driver and front passenger

seat regulator, front left and right seat temperature sender,

front left and right seat heating

E94 Heated driver seat regulator

E95 Heated front passenger seat regulator

G344 Front left seat temperature sender

G345 Front right seat temperature sender

J255 Climatronic control unit

T3ae 3-pin connector, black, connector E, on Climatronic control unit

T6d 6-pin connector, green, under driver seat

T6e 6-pin connector, green, under front passenger seat

T16c 16-pin connector, brown, connector C, on Climatronic control unit

T16d 16-pin connector, black, connector D, on Climatronic control unit

Z45 Front left seat heating

Z46 Front right seat heating

411 Earth connection 2 (sender earth), in main wiring harness

*

Operating unit for air conditioning

**

models with heated seat ⇒ seat heater Current Flow Diagram

***

only for Heater 9AA

 Audi TT

Current Flow Diagram

No.  49 / 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.

CAN bus wiring

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.  50 / 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.

8J0-050020409

1

2

3

4

5

6

7

8

9

10

11

12

13

14

B383

T20d/16

or/sw

0,35

J

533

or/sw

0,35

J

623

or/sw

0,35

J

869

✱

✱ ✱

✱

✱ ✱

T20e/10

or/sw

0,35

J

743

✱ ✱

✱ ✱

✱

✱

T10p/7

or/sw

0,35

F

189

✱ ✱

✱ ✱

✱

✱

E

313

8

or/sw

0,35

J

492

T

6q/6

T26a/2

or/sw

0,35

J

431

T3l/2

or/sw

0,35

J

500

T

6a/2

or/sw

0,35

T8p/3

or/sw

0,35

Y

7

or/sw

0,35

29

#

##

#

##

29

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Drive train CAN bus, high 1

E313 Selector lever

F189 Tiptronic switch

J431 Headlight range control, control unit

J492 Four-wheel drive control unit

J500 Power steering control unit

J533 Data bus diagnostic interface

J623 Engine control unit

J743 Mechatronic unit for dual clutch gearbox

J869 Control unit for structure-borne sound

T3l

3-pin connector, connector C, on power steering control unit

T6a 6-pin connector, black, in front left engine compartment

T6q 6-pin connector, black, on four-wheel drive control unit

T8p 8-pin connector, black, on interior mirror

T10p 10-pin connector, on Tiptronic switch

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

T20e 20-pin connector, on mechatronic unit for dual clutch gearbox

T26a 26-pin connector, black, on headlight range control, control unit

Y7

Automatic anti-dazzle interior mirror

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

*

⇒ Engine Current Flow Diagram

**

2,0 l diesel engine

***

models with direct shift gearbox

#

models with automatic headlight range control and cornering

light

##

models with main beam assistant

 Audi TT

Current Flow Diagram

No.  50 / 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.

8J0-050030409

15

16

17

18

19

20

21

22

23

24

25

26

27

28

B390

T20d/6

or/br

0,35

J

533

J

623

J

869

✱

✱ ✱

✱

✱ ✱

T20e/15

J

743

✱ ✱

✱ ✱

✱

✱

T10p/8

F

189

✱ ✱

✱ ✱

✱

✱

E

313

7

J

492

T

6q/5

T26a/3

J

431

T3l/1

J

500

T

6a/3

or/br

0,35

T8p/8

Y

7

36

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

or/br

0,35

#

##

##

#

36

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Drive train CAN bus, low 1

E313 Selector lever

F189 Tiptronic switch

J431 Headlight range control, control unit

J492 Four-wheel drive control unit

J500 Power steering control unit

J533 Data bus diagnostic interface

J623 Engine control unit

J743 Mechatronic unit for dual clutch gearbox

J869 Control unit for structure-borne sound

T3l

3-pin connector, connector C, on power steering control unit

T6a 6-pin connector, black, in front left engine compartment

T6q 6-pin connector, black, on four-wheel drive control unit

T8p 8-pin connector, black, on interior mirror

T10p 10-pin connector, on Tiptronic switch

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

T20e 20-pin connector, on mechatronic unit for dual clutch gearbox

T26a 26-pin connector, black, on headlight range control, control unit

Y7

Automatic anti-dazzle interior mirror

B390 Connection 1 (drive train CAN bus, low), in main wiring harness

*

⇒ Engine Current Flow Diagram

**

2,0 l diesel engine

***

models with direct shift gearbox

#

models with automatic headlight range control and cornering

light

##

models with main beam assistant

 Audi TT

Current Flow Diagram

No.  50 / 3

Edition  04.2009