AUDI TT 2009 – Power operated convertible roof, electric windbreak, heated rear window . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 2009 - Convertible roof actuation control unit

J256	Convertible roof actuation control unit
J533	Data bus diagnostic interface
SD2	Fuse 2 on fuse holder D
SF4	Fuse 4 in fuse holder F
SF8	Fuse 8 in fuse holder F
SF11	Fuse 11 in fuse holder F
T10v	10-pin connector, black
T20d	20-pin connector, black
T20v	20-pin connector, red
51	Earth point, on right in luggage compartment
B301	Positive connection 5 (30), in main wiring harness
B302	Positive connection 6 (30), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
*	Main fuse box, on battery on rear right in luggage compartment
*2	Data bus wire (CAN bus)
*3	Manually operated convertible roof

Wiring Diagram AUDI TT 2009 - Convertible roof actuation button - Right latch switch for convertible roof - Front latch switch for convertible roof - Convertible roof actuation control unit - Convertible roof actuation hydraulic pump

E137	Convertible roof actuation button
F170	Right latch switch for convertible roof
F172	Front latch switch for convertible roof
J256	Convertible roof actuation control unit
J393	Convenience system central control unit
L72	Convertible roof actuation switch illumination bulb
T2ak	2-pin connector, on right A-pillar, black
T2al	2-pin connector, on left A-pillar, black
T2z	2-pin connector, in rear left side panel, black
T10v	10-pin connector, black
T18g	18-pin connector, brown
T20v	20-pin connector, red
V118	Convertible roof actuation hydraulic pump
43	Earth point, lower part of right A-pillar
388	Earth connection 23, in main wiring harness
389	Earth connection 24, in main wiring harness
390	Earth connection 25, in main wiring harness
*	Manually operated convertible roof

Wiring Diagram AUDI TT 2009 - Convertible roof latch open switch - Convertible roof latch closed switch - Convertible roof actuation control unit - Convertible roof lock motor

F294	Convertible roof latch open switch
F295	Convertible roof latch closed switch
J256	Convertible roof actuation control unit
T4w	4-pin connector, black
T10c	10-pin connector, in rear left side panel, black
T10v	10-pin connector, black
T20v	20-pin connector, red
V223	Convertible roof lock motor
202	Earth connection, in convertible roof wiring harness
*	left
*2	right
*3	From June 2007
*4	Up to May 2007

Wiring Diagram AUDI TT 2009 - Convertible roof stowed switch - Convertible roof front switch - Convertible roof actuation control unit - Heated rear window

F171	Convertible roof stowed switch
F202	Convertible roof front switch
J256	Convertible roof actuation control unit
J393	Convenience system central control unit
J519	Onboard supply control unit
T2am	2-pin connector, in rear left side panel, black
T2y	2-pin connector, in rear left side panel
T10c	10-pin connector, in rear left side panel, black
T10d	10-pin connector, black
T18g	18-pin connector, brown
T20v	20-pin connector, red
Z1	Heated rear window
202	Earth connection, in convertible roof wiring harness
398	Earth connection 33, in main wiring harness
399	Earth connection 34, in main wiring harness
676	Earth point 2, on left in luggage compartment
*	Manually operated convertible roof

Wiring Diagram AUDI TT 2009 - Convertible roof actuation control unit - Right convertible roof flap motor - Left convertible roof flap motor

G596	Left sender for convertible roof flap
G597	Right sender for convertible roof flap
J256	Convertible roof actuation control unit
T20v	20-pin connector, red
V381	Right convertible roof flap motor
V383	Left convertible roof flap motor
M32	Connection 1, in wiring harness for roof operation
M33	Connection 2, in wiring harness for roof operation

Wiring Diagram AUDI TT 2009 - Cabriolet windbreak control unit

J519	Onboard supply control unit
J531	Cabriolet windbreak control unit
SD3	Fuse 3 on fuse holder D
SC7	Fuse 7 on fuse holder C
SC22	Fuse 22 on fuse holder C
SC25	Fuse 25 on fuse holder C
T2t	2-pin connector, black
T10d	10-pin connector, black
44	Earth point, lower part of left A-pillar
376	Earth connection 11, in main wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B281	Positive connection 5 (15a) in main wiring harness
B299	Positive connection 3 (30), in main wiring harness
B485	Connection 21, in main wiring harness
*	Main fuse box, on battery on rear right in luggage compartment

Wiring Diagram AUDI TT 2009 - Cabriolet windbreak switch - Cabriolet windbreak motor

E278	Cabriolet windbreak switch
J519	Onboard supply control unit
L156	Switch illumination bulb
T12c	12-pin connector, black
V186	Cabriolet windbreak motor
44	Earth point, lower part of left A-pillar
384	Earth connection 19, in main wiring harness
B340	Connection 1 (58d), in main wiring harness
B341	Connection 2 (58d), in main wiring harness

AUDI TT 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 Overview of fuses

Overview of fuses

AUDI TT 2009 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 2009 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 .

.

   

.

AUDI TT 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 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 2009 Diagnostic connection Diagnostic connection Fitting location under the shelf on the driver's side Connector

A -	16-pin connector -T16-, black

Back to overview .

AUDI TT 2009 Overview of relay carriers

Overview of relay carriers

1 -	Relay carrier behind dash panel

q	Components:-J17-, -J360-, -J531-, -J682-, -J789-, -J807-

q	Location and position of relays, left-hand drive

q	Location and position of relays, right-hand drive

2 -	Relay carrier on onboard supply control unit -J519-

q	Components:-J9-, -J39-, -J413-, -J576-, -J681-, -J689-

q	Relay positions up to May 2009

q	Location and position of relays from June 2009

3 -	Relay carrier in electronics box, engine compartment

q	Components:-J17-, -J49-, -J179-, -J151-, -J299-, -J271-, -J317-, -J359-, -J496-, -J757-, -J832-, -S125-, -J39-

q	Location and position of relays

AUDI TT 2009 Relay carrier behind left of dash panel, left-hand drive Relay carrier behind left of dash panel, left-hand drive Fitting location

On left behind 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 Relay assignment

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1 -

Vacant

2.1 -

Fuel pump relay -J17-

q

TDI

2.2 -

Relay for power sockets -J807-

q	from June 2007

3 -

Vacant

q	up to August 2008

4 -	Terminal 50 voltage supply relay -J682-

.

AUDI TT 2009 Relay carrier behind right of dash panel, right-hand drive

Relay carrier behind right of dash panel, right-hand drive

Fitting location

   

On 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 Relay assignment

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1 -

Vacant

2.1 -

Fuel pump relay -J17-

q

TDI

2.1 -

Control relay -J789-

q	For engine code CEPA, CEPB, CRRA

2.2 -

Relay for power sockets -J807-

q	from June 2007

3 -

Vacant

q	up to August 2008

3 -	High heat output relay -J360-

q	from September 2008

3 -	Fuel pump relay -J17-

q	For engine code CEPA, CEPB, CRRA

4 -	Terminal 50 voltage supply relay -J682-

5 -	Cabrio windbreak control unit -J531-, windbreak relay

Back to overview . AUDI TT 2009 Relay carrier in electronics box, engine compartment Relay carrier in electronics box, engine compartment Fitting location

In electronics box, engine compartment -1-. Relay assignment

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1 -	Low heat output relay -J359-

q	PDC heater (TDI)

q

Slot 3

2 -	Relay for supplementary fuel pump -J832-

q

TDI

q

Slot 2.1

3 -	Auxiliary coolant pump relay -J496-

q	For engine code CEPA, CEPB, CRRA

q

Slot 2.2

4 -	Engine component current supply relay -J757-

q	For engine code BWA, CDMA, CDAA, CCZA, CCTA, CEPA, CEPB, CESA, CETA, CRRA

5 -	Motronic current supply relay -J271-

7 -	Glow plug fuse -S125-, 50 A

q	Plug position A

8 -

Vacant

9 -

Vacant

Back to overview . AUDI TT 2009 Position of relays on onboard supply control unit J519 , up to May 2009 Position of relays on onboard supply control unit -J519-, up to May 2009 Fitting location Left-hand drive: at left behind dash panel. Right-hand drive: at right behind dash panel.

1 -	Terminal 15 voltage supply relay 2 -J681-

q

Slot B1

2 -

Vacant

q

Slot B2

3 -	Heated rear window relay -J9-

q

Slot B5

4 -	Horn relay -J413-

q

Slot B6

5 -

Vacant

q

Slot B9

9 -	Terminal 30 voltage supply relay 2 -J689-

q

Slot B4

Back to overview . AUDI TT 2009 Relay carrier on onboard supply control unit J519 , from June 2009 Relay carrier on onboard supply control unit -J519-, from June 2009 Fitting location

Left-hand drive: at left of dash panel -4-. 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

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Right-hand drive: at right behind dash panel -4-. 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 Relay assignment

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2 -	Heated rear window relay -J9-

3.2 -

Headlight washer system relay -J39-

4 -

Vacant

5 -

Vacant

Back to overview .