Audi TT (2007 year). Manual - part 78

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.

8J0-003180409

225

226

227

228

229

230

231

232

233

234

235

236

237

238

J

623

M

V

7

br

6,0

T4c/4

31

186

T4c/2

bl/ro

1,0

T81/60

or/sw

0,35

B383

J

293

250 W

M

300 W

V

177

or/sw

0,35

or/sw

0,35

•

✱

•

•

T20e

/10

T20d

/16

J

743

J

533

B444

gr/ws

0,35

T20e/1

J

743

gr/ws

0,35

gr/ws

0,35

T

16/7

K

T81/43

K

✱

B390

or/br

0,35

or/br

0,35

✱

•

•

T20d/6 T20e/15

J

743

J

533

T81/58

or/br

0,35

•

ge/li

0,5

T81/66

ge/li

0,35

T4c/3

210

20

T4c/1

ro/gn

6,0

✱ ✱

186

20

210

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Engine control unit, radiator fan control unit, radiator fan

J293 Radiator fan control unit

J533 Data bus diagnostic interface

J623 Engine control unit

J743 Mechatronic unit for dual clutch gearbox

T4c 4-pin connector, black, on radiator fan control unit

T16 16-pin connector, diagnostic connector

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

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

T81 81-pin connector, black, on engine control unit

V7

Radiator fan

V177 Radiator fan 2

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

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

B444 Connection 1 (diagnosis), in main wiring harness

•

CAN bus (data wire)

*

models with direct shift gearbox 02E

**

Is dropped from June 2008

 Audi TT

Current Flow Diagram

No.  3 / 18

Edition  10.2010

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.

8J0-003190409

239

240

241

242

243

244

245

246

247

248

249

250

251

252

J

623

SB

7

15A

T81/65

sw/br

0,35

sw/br

0,5

sw/ge

4,0

2/87

4/85

J

49

5

1/30

ro

4,0

47

7a

sw/bl

0,35

T81/21

B277

sw/bl

0,5

sw/bl

1,0

213

sw/bl

0,5

3/86

✱

127

J

17

2.1

✱

4/87a

ro/sw

1,5

129

2/87

li

0,35

5/85

T11b/10

J

519

ro/bl

1,0

3/86

ro/bl

1,5

SB

8

30A

ro

6,0

22

8a

ST1

7

8

1/30

15

5/87

#

##

1/86

#

##

2/85

##

#

3/30

#

#

#

2/30

#

4/86

#

##

##

6/85

##

8/87

##

#

#

T52b/38

♦

♦♦

22

213

47

127

129

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Fuel pump relay, electric fuel pump 2 relay

J17

Fuel pump relay

J49

Electric fuel pump 2 relay

J519 Onboard supply control unit

J623 Engine control unit

SB7 Fuse 7 on fuse holder B

SB8 Fuse 8 on fuse holder B

T11b 11-pin connector, black, connector A, on onboard power supply

control unit

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

T81 81-pin connector, black, on engine control unit

B277 Positive connection 1 (15a), in main wiring harness

*

Relay and fuse carrier in electronics box engine compartment

#

up to May 2007

##

from June 2007

♦

up to May 2009

♦♦

from June 2009

 Audi TT

Current Flow Diagram

No.  3 / 19

Edition  10.2010

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.

8J0-003200806

253

254

255

256

257

258

259

260

261

262

263

264

265

266

J

285

410

br/bl

0,35

T32/27

li/sw

0,35

T5a/3

T5a/2

M

G

6

G

G

1

T5a/1

✱

43

br

4,0

Y

24

390

br

1,5

T5a/5

ro/sw

1,5

128

T32/25

bl/ge

0,35

T5a/4

br/bl

0,35

1

G

169

T32/26

ge/gr

0,35

2

T32/6

ge/gn

0,35

3

br/bl

0,35

✱ ✱

T32/28

F

66

br/bl

0,35

2

T32/21

br/ge

0,35

1

F

1

T32/15

sw

0,35

1

sw

0,5

T

14/1

K

28

K

3

128

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Control unit in dash panel insert, oil pressure switch,

coolant shortage indicator switch, fuel gauge sender, fuel

gauge, fuel system pressurisation pump, fuel gauge sender

2

F1

Oil pressure switch

F66 Coolant shortage indicator switch

G

Fuel gauge sender

G1

Fuel gauge

G6

Fuel system pressurisation pump

G169 Fuel gauge sender 2

J285 Control unit in dash panel insert

K3

Oil pressure warning lamp

K28 Coolant temperature and coolant shortage warning lamp

T5a 5-pin connector, black, on fuel gauge sender

T14 14-pin connector, black, on front left in engine compartment

T32 32-pin connector, blue, on control unit in dash panel insert

Y24 Display in dash panel insert

43

Earth point, lower part of right A-pillar

390 Earth connection 25, in main wiring harness

410 Earth connection 1 (sender earth) in main wiring harness

*

output sender earth

**

models with four-wheel drive

 Audi TT

Current Flow Diagram

No.  3 / 20

Edition  10.2010

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.

8J0-003210409

267

268

269

270

271

272

273

274

275

276

277

278

279

280

T32/30

or/br

0,35

T32/8

gr/ge

0,5

T

6a/6

T

6a/4

G

266

3

2/31

1

sw/ro

0,5

J

285

Y

24

•

T20d/8

J

533

T32/29

or/bl

0,35

•

T20d/18

J

533

br

0,5

T

6a/5

31

sw/ro

0,5

B278

gr/ge

0,5

sw/ro

0,5

br

0,5

SC

4

5A

4a

SC

1

10A

sw

4,0

39

1a

4

1

39

31

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Control unit in dash panel insert, oil level and oil temperature

sender

G266 Oil level and oil temperature sender

J285 Control unit in dash panel insert

J533 Data bus diagnostic interface

SC1 Fuse 1 on fuse holder C

SC4 Fuse 4 on fuse holder C

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

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

T32 32-pin connector, blue, on control unit in dash panel insert

Y24 Display in dash panel insert

B278 Positive connection 2 (15a), in main wiring harness

•

CAN bus (data wire)

 Audi TT

Current Flow Diagram

No.  3 / 21

Edition  10.2010