Audi TT (2007 year). Manual - part 166

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.

8J0-047210409

267

268

269

270

271

272

273

274

275

276

277

278

279

280

J

519

X

4

gr/bl

0,5

Q22

br

0,5

ws

0,5

T

8e/6

ws

0,5

T52a/45

2/31

M

25

1

br

0,5

2/31

1

gr/bl

0,5

br

0,5

2/31

1

X

5

218

gr/bl

0,5

gr/bl

0,5

or/br

0,35

or/br

0,35

T16c/12

B407

95

•

J

255

E

230

or/gn

0,35

or/gn

0,35

T16c/13

B398

85

•

br

1,5 ✱ ✱

T

8e/2

br

1,5

402

662

br

1,5

138

T

8e/1

✱ ✱✱

✱ ✱

✱

402

138

95

85

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, heated rear window button,

high level brake light bulb, number plate left and right light

E230 Heated rear window button

J255 Climatronic control unit

J519 Onboard supply control unit

M25 High level brake light bulb

T8e 8-pin connector, brown, in left side panel, to rear lid

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

unit

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

X4

Number plate left light

X5

Number plate right light

218 Earth connection 1, in rear lid wiring harness

662 Earth point, rear left side panel

B398 Connection 2 (convenience CAN bus, high), in main wiring

harness

B407 Connection 2 (convenience CAN bus, low), in main wiring

harness

Q22 Connection 1, in rear lid wiring harness

•

CAN bus (data wire)

*

Coupé

**

Roadster

***

Operation for heated rear window via CAN bus

 Audi TT

Current Flow Diagram

No.  47 / 21

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.

8J0-047220409

281

282

283

284

285

286

287

288

289

290

291

292

293

294

B335

sw/ge

0,35

F

47

F

J

519

T4t/2

sw/ge

0,35

J

104

sw/ge

0,35

T47/4

li/sw

0,35

G

476

T5h/5

gn/bl

0,35

T5h/2

✱

ro/ge

6,0

SB

11

5A

11

SB

8

20A

8

8a

11a

ro/gn

0,5

291

J

271

ST2

8/87

4

J

623

✱

T52c/17

T4t/3

sw/ge

0,35

ge/sw

0,5

T4t/4

32

ws/gn

0,35

T4t/1

J

623

✱

✱

J

623

✱

ro/gn

0,5

291

T52a/16

bl/sw

0,5

2

1

sw/ro

0,5

35

F

4

✱ ✱

#

li/sw

0,35

T20e

/17

J

743

T52c/30

✱ ✱

✱ ✱ ✱

br

0,5

193

T5h/1

31

br

0,5

188

li/sw

0,35✱ ✱

T5h/4

J

623

##

291

32

188

193

291

35

ws = white

sw = black

ro

= red

br

= brown

gn

= green

bl

= blue

gr

= grey

li

= purple

ge

= yellow

or

= orange

rs

= pink

Onboard power supply control unit, brake light switch,

brake pedal switch, reversing light switch, clutch position

sender

F

Brake light switch

F4

Reversing light switch

F47 Brake pedal switch

G476 Clutch position sender

J104 ABS control unit

J271 Motronic current supply relay

J519 Onboard supply control unit

J623 Engine control unit

J743 Mechatronic unit for dual clutch gearbox

SB8 Fuse 8 on fuse holder B

SB11 Fuse 11 on fuse holder B

T4t

4-pin connector, black, on brake light switch

T5h 5-pin connector, black, on clutch position sender

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

T47 47-pin connector, on ABS control unit

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

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

B335 Connection 1 (54), in main wiring harness

*

⇒ Engine Current Flow Diagram

**

models with manual gearbox

***

models with direct shift gearbox 02E

#

Relay and fuse carrier in electronics box engine compartment

##

⇒ 2.5 l engine Current Flow Diagram

 Audi TT

Current Flow Diagram

No.  47 / 22

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.

8J0-047230409

295

296

297

298

299

300

301

302

303

304

305

306

307

308

J

519

T52b/41

br/ge

0,35

J

413

3.1

✱

1

ro

6,0

9

SC

22

30A

22

SC

23

20A

23

22a

SC

25

30A

25

25a

li/ws

2,5

ro/br

2,5

23a

sw/ge

1,5

H

2

1

br

1,5

2/31

43

br

4,0

br

1,5

sw/ge

1,5

H

7

1

2/31

391

297

255

4

sw/ge

2,5

5

B521

ro/br

0,5

ro/br

2,5

3

2

ro/br

2,5

297

B324

gn/li

0,5

T52b/5

gn/gr

0,5

M

2

1

V

155

T52a/46

9

297

255

297

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, horn relay, treble horn, bass

horn, tank filler flap locking motor

H2

Treble tone horn

H7

Bass tone horn

J413 Horn relay

J519 Onboard supply control unit

SC22 Fuse 22 on fuse holder C

SC23 Fuse 23 on fuse holder C

SC25 Fuse 25 on fuse holder C

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

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

V155 Tank filler flap locking motor

43

Earth point, lower part of right A-pillar

391 Earth connection 26, in main wiring harness

B324 Positive connection 10 (30a), in main wiring harness

B521 Connection (dual tone horn), in main wiring harness

*

Relay carrier on onboard power supply control unit

 Audi TT

Current Flow Diagram

No.  47 / 23

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.

8J0-047240409

309

310

311

312

313

314

315

316

317

318

319

320

321

322

J

519

br/ge

0,35

T52a/12

br

0,35

162

1

2

F

321

gn/ro

0,5

T52b/47

br

0,5

2

1/31

W

3

U

1

L

28

U

5

L

42

✱

br

2,5

br

4,0

44

376

1/31

ro/ws

2,5

gr/bl

0,35

129

3/58s

gr/bl

0,35

130

3/58s

2

br

2,5

1/31

B489

2

ro/ws

2,5

ro/ws

2,5

✱

✱

56

222

ro/ws

4,0 ✱

55

56

129

130

55

162

222

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, parking brake contact switch,

socket illumination bulb, cigarette lighter, 12 V socket,

luggage compartment light

F321 Parking brake contact switch

J519 Onboard supply control unit

L28 Cigarette lighter illumination bulb

L42 Socket illumination bulb

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

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

U1

Cigarette lighter

U5

12 V socket

W3

Luggage compartment light

44

Earth point, lower part of left A-pillar

376 Earth connection 11, in main wiring harness

B489 Connection 25, in main wiring harness

*

only USA

 Audi TT

Current Flow Diagram

No.  47 / 24

Edition  04.2010