AUDI TT 2009 – Haldex coupling with all-wheel drive . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 2009 - All-wheel drive control unit - Haldex coupling pump

J492	All-wheel drive control unit
J519	Onboard supply control unit
J527	Steering column electronics control unit
J533	Data bus diagnostic interface
J623	Engine control unit
SC7	Fuse 7 on fuse holder C
SC8	Fuse 8 on fuse holder C
T2t	2-pin connector, black
T6q	6-pin connector, on all-wheel drive system control unit, black
T8o	8-pin connector, black
T20c	20-pin connector, black
T20d	20-pin connector, black
V181	Haldex coupling pump
393	Earth connection 28, in main wiring harness
662	Earth point, rear left side panel
B163	Positive connection 1 (15), in interior wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
*	see applicable current flow diagram for engine
*2	gradual introduction
*3	Data bus wire (CAN bus)

Wiring Diagram AUDI TT 2009 - Brake light switch - Brake pedal switch - Oil pressure and oil temperature sender - All-wheel drive control unit - Coupling opening control valve

F	Brake light switch
F47	Brake pedal switch
G437	Oil pressure and oil temperature sender
J104	ABS control unit
J492	All-wheel drive control unit
J519	Onboard supply control unit
J623	Engine control unit
N373	Coupling opening control valve
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
T2ag	2-pin connector
T4t	4-pin connector, black
T6q	6-pin connector, on all-wheel drive system control unit, black
T8o	8-pin connector, black
T16a	16-pin connector, black
">T47	"> 47-pin connector
366	Earth connection 1, in main wiring harness
371	Earth connection 6, in main wiring harness
372	Earth connection 7, in main wiring harness
672	Earth point 2, on front of left longitudinal member
B335	Connection 1 (54), in main wiring harness
*	see applicable current flow diagram for engine

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 .