AUDI TT 2008 – Communication USA . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Connection for external audio sources

J401	Navigation system with CD drive control unit
R199	Connection for external audio sources
SD3	Fuse 3 on fuse holder D
SC32	Fuse 32 on fuse holder C
SC34	Fuse 34 on fuse holder C
SC35	Fuse 35 on fuse holder C
T4z	4-pin connector, in centre console, black
T8a	8-pin connector, black
T12f	12-pin connector, black
T32b	32-pin connector
380	Earth connection 15, in main wiring harness
399	Earth connection 34, in main wiring harness
610	Earth point (audio), front below centre console
B299	Positive connection 3 (30), in main wiring harness
*	Only models with connection for external audio sources - AUX-IN socket
*2	Main fuse box, on battery on rear right in luggage compartment
*3	Only models with BOSE sound system
*4	Only models with Standard sound system

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Data bus diagnostic interface

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
J533	Data bus diagnostic interface
T8a	8-pin connector, black
T12g	12-pin connector, black
T20d	20-pin connector, black
T32a	32-pin connector, black
50	Earth point, on left in luggage compartment
364	Earth connection 1 (LF), in dash panel wiring harness
B415	Connection 1 (infotainment CAN bus, high), in main wiring harness
B421	Connection 1 (infotainment CAN bus, low), in main wiring harness
*	Data bus wire (CAN bus)
*2	Only models with Standard sound system

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Front left treble loudspeaker - Front left bass loudspeaker - Front right treble loudspeaker - Front right bass loudspeaker - Centre mid-range and treble loudspeaker

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
R20	Front left treble loudspeaker
R21	Front left bass loudspeaker
R22	Front right treble loudspeaker
R23	Front right bass loudspeaker
R158	Centre mid-range and treble loudspeaker
T20a	20-pin connector, in front left door, black
T20b	20-pin connector, in front right door, black
T32a	32-pin connector, black
*	Only models with Standard sound system

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Rear left treble loudspeaker - Rear right treble loudspeaker - Rear left mid-range and bass loudspeaker - Rear right mid-range and bass loudspeaker

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
R14	Rear left treble loudspeaker
R16	Rear right treble loudspeaker
R159	Rear left mid-range and bass loudspeaker
R160	Rear right mid-range and bass loudspeaker
T32a	32-pin connector, black

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
T12g	12-pin connector, black
T18a	18-pin connector, black
T32a	32-pin connector, black
50	Earth point, on left in luggage compartment
365	Earth connection 2 (LF), in dash panel wiring harness
*	Only models with BOSE sound system
*2	Data bus wire (CAN bus)

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Front left treble loudspeaker - Front right treble loudspeaker - Front left mid-range loudspeaker - Front right mid-range loudspeaker

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
R20	Front left treble loudspeaker
R22	Front right treble loudspeaker
R103	Front left mid-range loudspeaker
R104	Front right mid-range loudspeaker
T20a	20-pin connector, in front left door, black
T20b	20-pin connector, in front right door, black
T32a	32-pin connector, black
*	Only models with BOSE sound system

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Front left bass loudspeaker - Front right bass loudspeaker - Middle loudspeaker - Centre mid-range and treble loudspeaker - Microphone unit in front roof module

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
R21	Front left bass loudspeaker
R23	Front right bass loudspeaker
R148	Middle loudspeaker
R158	Centre mid-range and treble loudspeaker
R164	Microphone unit in front roof module
T4g	4-pin connector, black
T20a	20-pin connector, in front left door, black
T20b	20-pin connector, in front right door, black
T32a	32-pin connector, black

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Digital sound package control unit - Rear left treble loudspeaker - Rear right treble loudspeaker - Rear left mid-range and bass loudspeaker - Rear right mid-range and bass loudspeaker

J401	Navigation system with CD drive control unit
J525	Digital sound package control unit
R14	Rear left treble loudspeaker
R16	Rear right treble loudspeaker
R159	Rear left mid-range and bass loudspeaker
R160	Rear right mid-range and bass loudspeaker
T8a	8-pin connector, black
T32a	32-pin connector, black
B481	Connection 17, in main wiring harness
B482	Connection 18, in main wiring harness
B483	Connection 19, in main wiring harness
B484	Connection 20, in main wiring harness

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Telephone microphone - Microphone unit in front roof module

J401	Navigation system with CD drive control unit
R36	Telephone transmitter and receiver unit
R38	Telephone microphone
R74	Internal microphone
R164	Microphone unit in front roof module
T4g	4-pin connector, black
T8a	8-pin connector, black
T12g	12-pin connector, black
T18b	18-pin connector, behind glove compartment, black
T54	54-pin connector, black
385	Earth connection 20, in main wiring harness
*	Only models with preparation for mobile telephone
*2	Only models with preparation for mobile telephone and no hands-free system
*3	Only models with voice control
*4	Only models with no voice control

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - CD changer - Connection for external audio sources

J401	Navigation system with CD drive control unit
R41	CD changer
R199	Connection for external audio sources
T12a	12-pin connector, black
T12f	12-pin connector, black
T12t	12-pin connector, behind dash panel, right, black
T32b	32-pin connector
280	Earth connection, in communications wiring harness
*	Only models with CD changer
*2	Only models with connection for external audio sources - Audi music interface
*3	Data bus wire (CAN bus)

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - CD changer - Satellite radio

J401	Navigation system with CD drive control unit
R41	CD changer
R146	Satellite radio
T8m	8-pin connector, black
T8n	8-pin connector, black
T12a	12-pin connector, black
T12f	12-pin connector, black
50	Earth point, on left in luggage compartment
V14	Connection (screening), in CD changer wiring harness
V45	Connection 2 (screening), in CD changer wiring harness
*	Only models with no satellite radio
*2	Data bus wire (CAN bus)
*3	Only models with CD changer
*4	Coupé
*5	Roadster

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - iPod holder

J401	Navigation system with CD drive control unit
R192	iPod holder
T12a	12-pin connector, in rear centre console, black
T12f	12-pin connector, black
T12r	12-pin connector

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Satellite radio - iPod holder

J401	Navigation system with CD drive control unit
R146	Satellite radio
R192	iPod holder
SC47	Fuse 47 on fuse holder C
T8m	8-pin connector, black
T8n	8-pin connector, black
T12a	12-pin connector, in rear centre console, black
T12f	12-pin connector, black
T12r	12-pin connector
50	Earth point, on left in luggage compartment
B300	Positive connection 4 (30), in main wiring harness
B318	Positive connection 4 (30a) in main wiring harness
V14	Connection (screening), in CD changer wiring harness
*	Only models with no satellite radio
*2	Data bus wire (CAN bus)
*3	Only models with iPod holder
*4	Coupé
*5	Roadster

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Aerial amplifier - Radio - telephone and navigation system aerial - Aerial amplifier 2 - Rear window aerial 1 - Rear window aerial 2

J401	Navigation system with CD drive control unit
R24	Aerial amplifier, Rear window, top right
R52	Radio, telephone and navigation system aerial
R111	Aerial amplifier 2, Rear window, bottom right
R130	Rear window aerial 1
R131	Rear window aerial 2
T2d	2-pin connector, on rear right roof frame, white
T2e	2-pin connector, on rear right roof frame, yellow
T2f	2-pin connector, on rear right roof frame, blue
*	Coupé
*2	Roof aerial
*3	Only models with iPod holder
*4	Only models with CD changer

Wiring Diagram AUDI TT 2008 - Navigation system with CD drive control unit - Aerial - Aerial amplifier - GPS aerial - Radio aerial 2 - Aerial amplifier 2 - Satellite aerial

J401	Navigation system with CD drive control unit
R11	Aerial
R24	Aerial amplifier
R50	GPS aerial, Windscreen, centre
R93	Radio aerial 2
R111	Aerial amplifier 2
R170	Satellite aerial, in rear lid
T2an	2-pin connector, in rear lid, green
*	Roadster
*2	Rod aerial
*3	Only models with iPod holder
*4	Only models with CD changer

AUDI TT 2008

Left number plate light -X4-/Right number plate light -X5-

AUDI TT 2008 Routing rear lid/roof

Routing rear lid/roof

1 -	Aerial wires to right A-pillar

2 -	Coupling station right rear lid, in rear right roof frame

3 -	Transition rear lid to luggage compartment

5 -	Radio, telephone and navigation system aerial -R52-

8 -	Aerial amplifier 2 -R111- on rear lid bottom right

Left number plate light -X4-/Right number plate light -X5-

10 -	Aerial connections aerial amplifier for mobile telephone -R86-

Aerial connectionssatellite radio -R146-, only USA

11 -	Coupling station left rear lid behind side panel

12 -	Transition rear lid to luggage compartment

13 -	Wiring harness to left A-pillar

14 -	Front interior light -W1-

15 -	Sun blind, right illuminated vanity mirror

Routing door

Door coupling - A-pillar 20-pin connector -T20a-/20-pin connector -T20b-

Front left mid-range loudspeaker -R103-/front right mid-range loudspeaker -R104-

Driver side interior locking button for central locking system -E308-/front passenger side interior locking button -E309-

Mirror adjustment switch -E43-/mirror adjustment changeover switch -E48-

Operating unit for window regulator in driver door -E512-/window regulator switch in front passenger door -E107-

Alarm system off switch -E217-/interior monitoring switch -E183-

Driver side central locking lock unit -F220-/Rear left central locking lock unit -F222-

Side airbag crash sensor on driver side -G179-/side airbag crash sensor on front passenger side -G180-

9 -	Driver door control unit -J386-/front passenger side door control unit -J387-

10 -	Driver door control unit -J386-/front passenger side door control unit -J387-

Fuel tank flap release button -E319-/rear lid remote release button -E233-

Front left bass loudspeaker -R21-/front right bass loudspeaker -R23-

Routing dash panel wiring harness

1 -	Wiring harness to A-pillar, left roof

5 -	Photosensor for sunlight intensity -G107-

7 -

9 -

CD changer -R41-

17 -	Chip card reader unit -R99-

24 -	Light switches -E1-

25 -	Wiring harness from A-pillar to luggage compartment, left

26 -	CAN bus connection

27 -	Coupling driver door 20-pin connector -T20a-

28 -	Left A-pillar duct

29 -	Fuse holder on left in dash panel

30 -	Wiring harness, duct interior - engine compartment

Routing in the interior

1 -	Wiring harness to right A-pillar

2 -	Coupling station under front passenger seat

3 -	Electronically controlled damping control unit -J250-

7 -	Rear right mid-range and bass loudspeaker -R160-

8 -	Wiring harness to rear light, control unit in luggage compartment right

9 -	Earth wire battery -A-

10 -	Wiring harness under rear seat

11 -	Cable from battery isolation igniter -N253- in luggage compartment to starter -B-

12 -	Connections right tail light and right in luggage compartment control units

13 -	battery -A- with main fuse box and battery isolation igniter -N253- in luggage compartment, rear right

14 -	Wiring harness to digital sound package control unit -J525- and left tail light

21 -	Centre loudspeaker -R148-

Plenum chamber - engine compartment wiring harness routing

5 -	Alarm horn -H12-

6 -	Engine control unit -J623-

7 -	Wiring harness to clutch Lambda probe

8 -	Coupling Lambda probes on underbody

9 -	Starter cable under vehicle floor

10 -	Wiring harness in plenum chamber from engine control unit -J623-

11 -	Duct to dash panel left

12 -	Transition to dash panel left

13 -	Cable channel in left engine compartment

14 -	Electronics box engine compartment

15 -	Engine prewiring

16 -	Wiring harness engine compartment left to headlight

Front airbag crash sensor -G190-/front airbag crash sensor on driver side -G283-/front airbag crash sensor on front passenger side -G284-, only USA

18 -	Low tone horn -H7-

AUDI TT 2008 Overview of fuses

Overview of fuses

AUDI TT 2008 Fuses (SA) on fuse holder A Fuses (SA) on fuse holder A

On electronics box, engine compartment -1-. Fuse colours 40 A -  orange 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

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A -	Screw​ connection​ terminal​ 30​ (C)​ of main fuse carrier on the battery -A-

SA -	Fuses on fuse holder A

q	Position of fuses

Back to overview .

.

AUDI TT 2008 Fuses (SB) on fuse holder B

Fuses (SB) on fuse holder B

   

In electronics box, on left in engine compartment -1-. Fuse colours 40 A -  orange 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

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1 -	Fuse carrier ST1, black

q	Position of fuses

2 -	Fuse carrier ST2, brown

q	Position of fuses

3 -

Vacant

4 -

Vacant

Back to overview .

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.

AUDI TT 2008 Fuses (SC) on fuse holder C

Fuses (SC) on fuse holder C

   

Left-hand drive: at left of dash panel -1- 1 -  fuse holder C 2 -  Relay carrier behind dash panel 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519-, from June 2009

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Right-hand drive: at right of dash panel -2-. 1 -  Relay carrier behind dash panel 2 -  fuse holder C 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519-, from June 2009 Fuse colours 40 A -  orange 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

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Fuse locations

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No.		Current Flow Diagram designation	Nominal value		Function/component	Terminal
1	-	Fuse 1 on fuse holder C -SC1-	10 A	-	Fuel pump relay -J17- Electric fuel pump 2 relay -J49-1) Fuel pump control unit -J538- Engine control unit -J623- Front passenger front airbag deactivated warning lamp -K145- Light switch illumination bulb -L9- 16-pin connector, diagnostic connector -T16-	15
2	-	Fuse 2 on fuse holder C -SC2-	5 A	-	ABS control unit -J104- Brake light switch -F-	15
3	-	Fuse 3 on fuse holder C -SC3-	5 A	-	Output module for left headlight -J667-	15
4	-	Fuse 4 on fuse holder C -SC4-	5 A	-	Oil level and oil temperature sender -G266- Tyre pressure monitor button -E226- Tyre pressure monitor control unit 2 -J793- TCS and ESP button -E256- Headlight range control, control unit -J431- High-pressure sender -G65- Reversing light switch -F4-	15
5	-	Fuse 5 on fuse holder C -SC5-	10 A5) 5 A6)	-	Right headlight range control motor -V49-5) Left headlight range control motor -V48-5) Headlight range control adjuster -E102-5) Control unit for headlight range control -J431-6) Power output module for right headlight -J668-6)	15
6	-	Fuse 6 on fuse holder C -SC6-	5 A	-	Power steering control unit -J500- Data bus diagnostic interface -J533- Selector lever sensors control unit -J587- Mechatronic unit for dual clutch gearbox -J743-	15
7	-	Fuse 7 on fuse holder C -SC7-	5 A	-	Control unit for parking aid -J446- Automatic anti-dazzle interior mirror -Y7- Garage door operating unit -E284- Garage door operation control unit -J530- Left washer jet heater element -Z20- Right washer jet heater element -Z21- onboard supply control unit -J519- Washer pump relay -J576- Cabrio windbreak control unit -J531-	15
8	-	Fuse 8 on fuse holder C -SC8-	5 A 10 A2)	-	All-wheel drive control unit -J492-	15
9	-	Fuse 9 on fuse holder C -SC9-	5 A	-	Electronically controlled damping control unit -J250-	15
10	-	Fuse 10 on fuse holder C -SC10-	5 A	-	Airbag control unit -J234- Seat occupied recognition control unit -J706-7)	15
11	-	Fuse 11 on fuse holder C -SC11-	10 A1)4) 5 A3)	-	Air mass meter -G70-3) 4) Structure-borne noise control unit -J869-4) Crankcase breather heater element -N79-1) 4)	15
12	-	Fuse 12 on fuse holder C -SC12-	10 A	-	Driver door control unit -J386- Front passenger door control unit -J387-	30
13	-	Fuse 13 on fuse holder C -SC13-	10 A	-	16-pin connector -T16-, diagnostic connector	30
14	-	Fuse 14 on fuse holder C -SC14-	5 A 15 A15)	-	Light/rain sensor -G397-12) Selector lever sensors control unit -J587-14) Mechatronic unit for dual clutch gearbox -J743-15)	30
15	-	Fuse 15 on fuse holder C -SC15-	5 A 15 A13)	-	onboard supply control unit -J519- Front interior light -W1- Light/rain sensor -G397-13)	30
16	-	Fuse 16 on fuse holder C -SC16-	10 A	-	Climatronic control unit -J255-	30
17	-	Fuse 17 on fuse holder C -SC17-	5 A	-	Tyre pressure monitor control unit -J502-7) Tyre pressure monitor control unit 2 -J793- Selector lever sensors control unit -J587-15)	30
18	-	Vacant
19	-	Vacant
20	-	Vacant
21	-	Fuse 21 on fuse holder C -SC21-	10 A	-	Injectors -N....-1)	15
22	-	Fuse 22 on fuse holder C -SC22-	30 A	-	Cabrio windbreak control unit -J531-9)	30
23	-	Fuse 23 on fuse holder C -SC23-	20 A	-	High tone horn -H2- Low tone horn -H7-	30
24	-	Fuse 24 on fuse holder C -SC24-	15 A 30 A15)	-	Mechatronic unit for dual clutch gearbox -J743-	30
25	-	Fuse 25 on fuse holder C -SC25-	30 A 20 A9)	-	Heated rear window -Z1-	30
26	-	Fuse 26 on fuse holder C -SC26-	30 A	-	Driver side window regulator motor -V147-	30
27	-	Fuse 27 on fuse holder C -SC27-	30 A	-	Front passenger side window regulator motor -V148-	30
28	-	Vacant
29	-	Fuse 29 on fuse holder C -SC29-	15 A	-	Washer pump -V5-	15
30	-	Fuse 30 on fuse holder C -SC30-	20 A	-	Cigarette lighter -U1-10) 12-V plug socket -U5-7) 10)	15
31		Fuse 31 on fuse holder C -SC31-	40 A	-	Starter -B- Terminal 50 voltage supply relay -J682-	15
32		Fuse 32 on fuse holder C -SC32-	5 A	-	Steering column electronics control unit -J527-	30
33		Fuse 33 on fuse holder C -SC33-	5 A	-	Control unit in dash panel insert -J285-	30
34		Fuse 34 on fuse holder C -SC34-	15 A 20 A8)	-	Navigation system with CD drive control unit -J401- Radio -R- Control unit with display for radio and navigation -J503-	30
35		Fuse 35 on fuse holder C -SC35-	30 A	-	Digital sound package control unit -J525-	30
36		Fuse 36 on fuse holder C -SC36-	10 A	-	Engine control unit -J623- Motronic current supply relay -J271- Terminal 30 voltage supply relay -J317-4) Fuel pump relay -J17-16)	30
37	-	Fuse 37 on fuse holder C -SC37-	5 A	-	Data bus diagnostic interface -J533-	30
38	-	Fuse 38 on fuse holder C -SC38-	20 A	-	Relay for power sockets -J807-11) Cigarette lighter -U1-11) 12-V plug socket -U5-7) 11)	30
39	-	Vacant
40	-	Vacant
41	-	Vacant
42	-	Vacant
43	-	Vacant
44	-	Vacant
45	-	Vacant
46	-	Vacant
47	-	Fuse 47 on fuse holder C -SC47-	5 A	-	Satellite radio -R146-7) Telephone transmitter and receiver unit -R36- Aerial amplifier for mobile telephone -R86-	30
			7.5 A	-	TV tuner -R78- Preparation for mobile telephone	30
48	-	Fuse 48 on fuse holder C -SC48-	5 A	-	Preparation for mobile telephone	15
49	-	Vacant

t	1) engine codes BUB, CBRA only

t	2) engine codes CDLB, CDLA only

t	3) engine codes BWA, BPY, CDMA, CDLA, CDLB only

t	4) engine codes CBBB, CFGB

t	5) for manual headlight range control

t	6) for automatic headlight range control

t	7) for models with US equipment only

t	8) for models with Japan equipment only

t	9) Roadster

t	10) up to May 2007

t	11) from June 2007

t	12) up to May 2009

t	13) from June 2009

t	14) for models with DQ500 7-speed dual clutch gearbox OBH (S tronic) only

t	15) for models with DQ200 7-speed dual clutch gearbox OAM (S tronic) only

t	16) engine codes CEPA, CEPB, CRRA only

Back to overview . AUDI TT 2008 Fuses (SF) on fuse holder F Fuses (SF) on fuse holder F

In luggage compartment, rear right -1-. Fuse colours 40 A -  orange 30 A -  green 25 A -  white 20 A -  yellow 15 A -  blue 10 A -  red 7,5 A -  brown 5 A -  beige

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A -

Vacant

B -

Vacant

C -

Vacant

1 -	Fuse holder F

q	Position of fuses

Back to overview .

.

AUDI TT 2008 Fuses (SD) on main fuse carrier

Fuses (SD) on main fuse carrier

   

In luggage compartment, on the battery -A--1- .

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A -	Connection battery positive

1 -	Fuse 1 on fuse holder D -SD1-, 40 A, to ABS hydraulic pump -V64-

3 -	Fuse 3 on fuse holder D -SD3-, 110 A, to fuse holder C

Back to overview . AUDI TT 2008 Fuses on relay carrier behind dash panel Fuses on relay carrier behind dash panel

Left-hand drive: at left of dash panel -2-. 1 -  fuse holder C 2 -  Relay carrier behind left of dash panel 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519-, from June 2009 Position of fuses, left-hand drive

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A -

Vacant

B -

Vacant

C -	Driver seat adjustment thermal fuse 1 -S44-, 20 A

D -

Vacant

Right-hand drive: at right behind dash panel -1-. 1 -  Relay carrier behind right of dash panel 2 -  fuse holder C 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519- from June 2009 Position of fuses, right-hand drive

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A -

Vacant

B -

Vacant

C -	Driver seat adjustment thermal fuse 1 -S44-, 20 A

D -

Vacant

Back to overview . AUDI TT 2008 Slave start socket U6 Slave start socket -U6- Location: in rear left of engine compartment.

1 -	Slave start socket -U6- (positive)

2 -	Cable to fuse holder A in electronics box, engine compartment

3 -	Cable to main fuse carrier on the battery -A-

Back to overview .

AUDI TT 2008 Overview of control units

Overview of control units

Climatronic control unit -J255-

q	Components:-E230-, -G56-, -V42-, -E94-, -E95-

q	Location and connector assignment

Control unit in dash panel insert -J285-

q	Components:-G1-, -Y24-, -K3-, -K32-, -Y8-, -J362-, -K28-

q	Location and connector assignment

Front passenger door control unit -J387-

q	Components:-V148-

q	Location and connector assignment

Steering column electronics control unit -J527-

q	Components:-D-, -N376-, -G85-, -E45-, -E2-, -E4-, -E22-, -F138-, -H-, -N95-, -N250-

q	Location and connector assignment

Control unit for parking aid -J446-

q	Components -R78-

q	Location and connector assignment

q	is dropped from May 2009

Digital sound package control unit -J525-

q	Components -R87-

q

Location

Driver door control unit -J386-

q	Components:-V147-

q	Location and connector assignment

q	Location and connector assignment from June 2009

Left gas discharge bulb control unit -J343-/right gas discharge light control unit -J344-

q	Components -J667-, -J668-, -V294-, -V295-, -V48-, -V49-

q	Location and connector assignment

AUDI TT 2008 ABS control unit J104 ABS control unit -J104- Fitting location

in​ engine​ compartment​ on​ right​ at bulkhead​ -1-. Connector assigment

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A -	ABS control unit -J104-

.

AUDI TT 2008 Engine control unit J623

Engine control unit -J623-

Fitting location

   

in plenum chamber -1-. Connector assigment

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A -	Engine control unit -J623-

C -	60-pin connector -T60-, black, on wiring harness

Connector assignment, 3.2 I V6

A -	Engine control unit -J623-

C -	40-pin connector -T40-, black, on wiring harness

Back to overview . AUDI TT 2008 Control unit for parking aid J446 Control unit for parking aid -J446- Fitting location

on right in luggage compartment -3-. 1 -  TV tuner -R78- 2 -  Fuse holder on right in luggage compartment 3 -  Control unit for parking aid -J446- 4 -  Convenience system central control unit -J393-, up to May 2009 Connector assignment of parking aid control unit -J446-

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C -	12-pin connector -T12l-, black

Back to overview . AUDI TT 2008 Convenience system central control unit J393 , up to May 2009 Convenience system central control unit -J393-, up to May 2009 Fitting location

on right in luggage compartment -4-. 1 -  TV tuner -R78- 2 -  Fuse holder on right in luggage compartment 3 -  Control unit for parking aid -J446- 4 -  Convenience system central control unit -J393- Connector assignment of convenience system central control unit -J393-

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A -	Convenience system central control unit -J393-

B -

Vacant

D -	8-pin connector -T8g-, black, on wiring harness

F -	18-pin connector -T18f-, black, on wiring harness

Back to overview . AUDI TT 2008 Driver door control unit J386 Driver door control unit -J386- Fitting location

In driver door -1-. 1 -  Driver door control unit -J386- 2 -  Connectors:   Note Illustration shows the left side. Connector assigment

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A -	Driver door control unit -J386-

C -	16-pin connector -T16f-, black, on wiring harness

D -	20-pin connector -T20f-, black, on wiring harness

Back to overview . AUDI TT 2008 Front passenger door control unit J387 Front passenger door control unit -J387- Fitting location

in front passenger door -1-. 1 -  Front passenger door control unit -J387- 2 -  Connectors:   Note Illustration shows the left side. Connector assigment

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A -	Front passenger door control unit -J387-

C -	16-pin connector -T16g-, black, on wiring harness

D -	20-pin connector -T20g-, black, on wiring harness

Back to overview . AUDI TT 2008 Convertible roof actuation control unit J256 , Roadster Convertible roof actuation control unit -J256-, Roadster Fitting location

in insert, luggage compartment -6-. 1 -  Aerial amplifier for mobile telephone -R86-, not USA  -  Satellite radio -R146-, only USA 2 -  Breakdown set 3 -  Towline anchorage 4 -  Warning triangle 5 -  battery -A- 6 -  Convertible roof actuation control unit -J256-, only Roadster 7 -  Tools 8 -  Jack Connector assignment of convertible roof actuation control unit -J256-

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2 -	10-pin connector -T10v-, black

Back to overview . AUDI TT 2008 Digital sound package control unit J525 Digital sound package control unit -J525- Fitting location

on left in luggage compartment -1-. 1 -  Digital sound package control unit -J525- 2 -  Satellite radio -R146-, only USA  -  Aerial amplifier for mobile telephone -R86-, not USA  -  Aerial filter -R87-, only USA, up to October 2006 Back to overview . AUDI TT 2008 Electronically controlled damping control unit J250 Electronically controlled damping control unit -J250- Fitting location

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under front passenger seat -5-. 1 -  10-pin connector -T10i-, black 2 -  3-pin connector -T3d-, yellow 3 -  6-pin, connector -T6e-, green 4 -  10-pin connector -T10g-, red 5 -  Electronically controlled damping control unit -J250- Connector assignment of electronically controlled damping control unit -J250-

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A -	47-pin connector -T47-, black

Back to overview . AUDI TT 2008 Steering column electronics control unit J527 Steering column electronics control unit -J527- Fitting location On steering column, at steering column switch. Connector assigment

A -

Vacant

C -	20-pin connector -T20c-, black, on wiring harness

E -	12-pin connector -T12i-

G -	10-pin connector -T10ag-

H -	10-pin connector -T10ah-

Back to overview . AUDI TT 2008 onboard supply control unit J519 , up to May 2009 onboard supply control unit -J519-, up to May 2009 Fitting location

behind​ the​ shelf​ on​ the​ driver's​ side,​ on left​ next​ to​ steering column -2-. 1 -  Relay carrier behind left of dash panel 2 -  onboard supply control unit -J519- Connector assignment onboard supply control unit -J519-

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B -	12-pin connector -T12c-, black

D -	11-pin connector -T11c-, brown

F -	8-pin connector -T8h-, black

J -	6-pin, connector -T6h-, black

L -	2-pin connector -T2t-, black

Back to overview . AUDI TT 2008 onboard supply control unit J519 , from June 2009 onboard supply control unit -J519-, from June 2009 Location left-hand drive

behind shelf on front passenger side -3-. 1 -  fuse holder C 2 -  Relay carrier behind dash panel 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519- Location right-hand drive

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behind shelf on front passenger side -3- 1 -  Relay carrier behind dash panel 2 -  fuse holder C 3 -  onboard supply control unit -J519- 4 -  Relay carrier on onboard supply control unit -J519- Connector assignment onboard supply control unit -J519-

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2 -	52-pin connector -T52b-, yellow

3 -	52-pin connector -T52c-, brown

Back to overview . AUDI TT 2008 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Fitting location

In dash panel insert -2-. 1 -  onboard supply control unit -J519- 1 -  Relay carrier behind dash panel 2 -  Control unit in dash panel insert -J285- 3 -  Tyre pressure monitor control unit 2 -J793- 4 -  Headlight range control, control unit -J431- 5 -  Data bus diagnostic interface -J533- Connector assignment of control unit in dash panel insert -J285-

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1 -	32-pin connector -T32-, blue

Back to overview . AUDI TT 2008 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location

Behind​ the​ shelf​ on​ the​ driver's​ side​, at bottom​ next​ to​ steering​ column -1-. Connector assigment

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1 -	20-pin connector -T20d-, black

Back to overview . AUDI TT 2008 Headlight range control, control unit J431 Headlight range control, control unit -J431- Fitting location

Behind​ the​ shelf​ on​ the​ driver's​ side​, on right​ next​ to​ steering​ column -1-. Connector assigment

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A -	Headlight range control, control unit -J431-

B -	26-pin connector -T26a-, black, on wiring harness

Back to overview . AUDI TT 2008 Airbag control unit J234 Airbag control unit -J234- Fitting location

Under centre console -2-. 1 -  75-pin connector -T75- 2 -  Airbag control unit -J234- Connector assignment of airbag control unit -J234-

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A -	75-pin connector -T75-, yellow

Back to overview . AUDI TT 2008 Fuel pump control unit J538 Fuel pump control unit -J538- Fitting location At lower right on fuel tank.

A -	Fuel pump control unit -J538-

Connector assigment

A -	Fuel pump control unit -J538-

B -	10-pin connector -T10k-, black, on wiring harness

Back to overview . AUDI TT 2008 Tyre pressure monitor control unit 2 J793 Tyre pressure monitor control unit 2 -J793- Fitting location

Behind the instrument cluster -1-. Connector assigment

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1 -	18-pin connector -T18c-, black

Back to overview . AUDI TT 2008 Climatronic control unit J255 Climatronic control unit -J255- Fitting location

In front centre console -1-. Connector assigment

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2 -	20-pin connector -T20k-

4 -	16-pin connector -T16c-, brown

5 -	3-pin connector -T3ae-, black

Back to overview . AUDI TT 2008 Wiper motor control unit J400 Wiper motor control unit -J400- Fitting location in driver side plenum chamber.

3 -	Wiper motor control unit -J400-

5 -	4-pin connector -T4-, black

Back to overview . AUDI TT 2008 Radiator fan control unit J293 Radiator fan control unit -J293- Fitting location at front of radiator.

1 -	4-pin connector -T4c-, black

2 -	4-pin connector -T4c-, black

3 -	Radiator fan control unit -J293-

Radiator fan -V7-

4 -	Radiator fan 2 -V177-

Back to overview . AUDI TT 2008 Power steering control unit J500 Power steering control unit -J500- Fitting location on steering box.

A -	Power steering control unit -J500-

B -	2-pin connector -T2s-, black

Back to overview . AUDI TT 2008 Radio controlled clock receiver J489 Radio controlled clock receiver -J489- Fitting location

behind the rear left bumper. 1 -  Radio controlled clock receiver -J489- Back to overview . AUDI TT 2008 Battery monitor control unit J367 Battery monitor control unit -J367- Fitting location

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On the battery -A-. 1 -  battery -A- 2 -  Battery monitor control unit -J367- 2 -  2-pin connector -T2au-, yellow Back to overview . AUDI TT 2008 Tyre pressure monitor control unit J502 , USA Tyre pressure monitor control unit -J502-, USA Fitting location behind instrument cluster.

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1 -	Tyre pressure monitor control unit -J502-

A -	18-pin connector -T18c-, black

Connector assignment of tyre pressure monitor control unit -J502-

- T18c -	Designation		- T18c -	Designation
1			10
2			11
3	Terminal 30		12
4			13
5	Convenience CAN bus high		14
6	Convenience CAN bus low		15
7			16	Tyre pressure monitor button -E226-, in operating unit in front of centre console -E461-
8			17
9	Terminal 31		18

Back to overview . AUDI TT 2008 Left gas discharge bulb control unit J343 / right gas discharge light control unit J344 Left gas discharge bulb control unit -J343-/right gas discharge light control unit -J344- Fitting location At headlight.

1 -	Bi-Xenon gas discharge headlights with cornering light, left and right

q	Output module for left headlight -J667-Output module for right headlight -J668-, in headlight housing

2 -	Left gas discharge bulb control unit -J343-/right gas discharge light control unit -J344-

14-pin connector -T14a-/14-pin connector -T14b-, black

Back to overview . AUDI TT 2008 Anti-theft alarm sensor G578 Anti-theft alarm sensor -G578- Fitting location in the front interior light -W1-.

1 -	Front interior light -W1- with anti-theft alarm sensor -G578-

A -	4-pin connector -T4p-

Connector assignment of anti-theft alarm sensor -G578-

- T4p - (A)	Designation		- T4p - (A)	Designation
1			3	onboard supply control unit -J519-
2	Terminal 31		4	Terminal 30

Back to overview . AUDI TT 2008 Front interior light W1 Front interior light -W1- Fitting location in front roof cross member.

1 -	Front interior light -W1-

q	with front passenger side reading light -W13-, Driver side reading lamp -W19-, Driver side reading lamp button -E457-, Front passenger side reading lamp button -E458-

A -	6-pin, connector -T6m-, brown

Connector assignment of front interior light -W1-

- T6m - (A)	Designation		- T6m - (A)	Designation
1	Terminal 31		4	onboard supply control unit -J519-, terminal 30a
2	onboard supply control unit -J519-		5	Terminal 58s
3	Automatic anti-dazzle interior mirror -Y7-		6	Terminal 30

Back to overview .

AUDI TT 2008 Overview of convertible roof components

Overview of convertible roof components

q	Location convertible roof latch open switch -F294-

5 -	Convertible roof latch closed switch -F295-, right

q

Location

Right convertible top cover motor -V381-/right sender for convertible roof cover -G597-

q

Location

Left convertible top cover motor -V383-/left sender for convertible roof cover -G596-

q

Location

. Cabrio windbreak switch -E278- Fitting location

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in centre console -1-. Back to overview . Convertible roof actuation hydraulic pump -V118- Fitting location

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In front left of luggage compartment -1-. Back to overview . Cabrio windbreak motor -V186- Fitting location

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On windbreak at centre of luggage compartment wall -1-. Back to overview . Convertible roof lock motor -V223- Fitting location

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On convertible roof linkage at front centre -1-. Back to overview . Front latch switch for convertible roof -F172- Fitting location

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On left roof cross member behind the sun visor -1-. Back to overview . Right latch switch for convertible roof -F170- Fitting location

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On right roof cross member behind the sun visor -1-. Back to overview . Convertible roof latch closed switch -F295-, left Fitting location

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On convertible roof linkage at front left -1-. Back to overview . Convertible roof latch closed switch -F295-, right Fitting location

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On convertible roof linkage at front right -1-. Back to overview . Convertible roof stowed switch -F171- Fitting location

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On convertible roof mechanism at lower left behind the side trim panel -1-. Back to overview . Convertible roof front switch -F202- Fitting location

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On convertible roof mechanism at left behind the side trim panel -1-. Back to overview . Right convertible top cover motor -V381-/right sender for convertible roof cover -G597- Fitting location

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Under the right convertible top cover -1-. Back to overview . Left convertible top cover motor -V383-/left sender for convertible roof cover -G596- Fitting location

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Under the left convertible top cover -1-. Back to overview . Convertible roof latch open switch -F294- Fitting location On right roof cross member behind the sun visor -1-.

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1 -	Convertible roof latch open switch -F294-

2 -	Contact for convertible roof latch open switch -F294-

3 -	Cable to 4-pin connector -T4w-

Back to overview .

AUDI TT 2008 Overview of coupling stations and connectors

Overview of coupling stations and connectors

Coupling station under right front seat

q	Connectors-T10i-, -T3d-, -T6e-, -T10g-

q

Location

Coupling station on right of rear lid, in rear right roof frame

q	Connectors-T2f-, -T2e-, -T2d-, -T2c-

q

Location

Coupling station on left of rear lid, Roadster

q	Connectors-T6f-, -T8e-

q

Location

6 -	Coupling station on left of rear lid, behind side panel, Coupé

q	Connectors-T6f-, -T8e-

q

Location

Coupling station under left front seat

q	Connectors-T10f-, -T10h-, -T3c-, -T6d-

q

Location

AUDI TT 2008 Coupling station under left front seat Coupling station under left front seat Fitting location Under front left seat

Connectors: 1 -  Telephone transmitter and receiver unit -R36- 2 -  10-pin connector -T10f-, red 3 -  10-pin connector -T10h-, black 4 -  3-pin connector -T3c-, yellow 5 -  6-pin, connector -T6d-, green Back to overview . AUDI TT 2008 Coupling station under right front seat Coupling station under right front seat Fitting location Under front right seat.

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Connectors: 1 -  10-pin connector -T10i-, black 2 -  3-pin connector -T3d-, yellow 3 -  6-pin, connector -T6e-, green 4 -  10-pin connector -T10g-, red 5 -  Electronically controlled damping control unit -J250- Back to overview . AUDI TT 2008 Coupling station right rear lid, in rear right roof frame Coupling station right rear lid, in rear right roof frame Fitting location Behind the roof trim, upper right.

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Connectors: 1 -  2-pin connector -T2f-, blue, GPS 2 -  2-pin connector -T2e-, yellow, ZF/HF2 3 -  2-pin connector -T2d-, white, HF1 4 -  2-pin connector -T2c-, black, DAB Back to overview . AUDI TT 2008 Coupling station on left of rear lid, Roadster Coupling station on left of rear lid, Roadster Fitting location behind side trim on left.

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Connectors: 1 -  8-pin connector -T8e-, brown 2 -  6-pin, connector -T6f-, black Back to overview . AUDI TT 2008 Coupling station on left of rear lid, behind side panel, CoupГ© Coupling station on left of rear lid, behind side panel, Coupé Fitting location behind side trim on left.

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Connectors: 1 -  662 Earth point, rear left side panel 2 -  6-pin, connector -T6f-, black 3 -  Window aerial suppression filter -C18- 4 -  Rear left mid-range and bass loudspeaker -R159- 5 -  8-pin connector -T8e-, brown Back to overview . AUDI TT 2008 Coupling station left in engine compartment Coupling station left in engine compartment Fitting location in engine compartment, at front of left longitudinal member. Connector

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A -	14-pin connector -T14-, black

Back to overview . AUDI TT 2008 Coupling station on right of dash panel, glove compartment Coupling station on right of dash panel, glove compartment Fitting location Behind glove compartment at right. Connector

A -	8-pin connector -T8k-, black

Back to overview . AUDI TT 2008 Coupling station in left side panel, Roadster Coupling station in left side panel, Roadster Fitting location behind left luggage compartment side trim. Connector

A -	10-pin connector -T10c-, black

Back to overview . AUDI TT 2008 Diagnostic connection Diagnostic connection Fitting location under the shelf on the driver's side Connector

A -	16-pin connector -T16-, black

Back to overview .