AUTOMOTIVE ELECTRICIANS
WIRING-DIAGRAMS

AUDI TT 2012 – 7-speed dual clutch gearbox 0BH (S tronic) . Wiring diagrams, Pin Connector, Location

    HomeAUDIAUDI TTAUDI TT 2012AUDI TT 2012 ALL WIRING DIAGRAMS - ENGLISH

Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearbox



Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearbox
J217 Automatic gearbox control unit
J681 Terminal 15 voltage supply relay 2
J743 Mechatronic unit for dual clutch gearbox
SC1 Fuse 1 on fuse holder C
SD3 Fuse 3 on fuse holder D
SC6 Fuse 6 on fuse holder C
SC22 Fuse 22 on fuse holder C
SC24 Fuse 24 on fuse holder C
T16h 16-pin connector
   B163 Positive connection 1 (15), in interior wiring harness
   B279 Positive connection 3 (15a) in main wiring harness
   B299 Positive connection 3 (30), in main wiring harness
   B300 Positive connection 4 (30), in main wiring harness
*see applicable current flow diagram for basic equipment
*2Main fuse box, on battery on rear right in luggage compartment

Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearbox - Valve 1 in sub-gearbox 1



Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearbox - Valve 1 in sub-gearbox 1Unlock Lifetime Access for This Car.
G182 Gearbox input speed sender
G509 Clutch temperature sender
G510 Temperature sender in control unit
J217 Automatic gearbox control unit
J519 Onboard supply control unit
J533 Data bus diagnostic interface
J623 Engine control unit
J743 Mechatronic unit for dual clutch gearbox
N433 Valve 1 in sub-gearbox 1
N434 Valve 2 in sub-gearbox 1
N437 Valve 1 in sub-gearbox 2
N438 Valve 2 in sub-gearbox 2
T16h 16-pin connector
T52c 52-pin connector
   366 Earth connection 1, in main wiring harness
   372 Earth connection 7, in main wiring harness
   672 Earth point 2, on front of left longitudinal member
   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 basic equipment
*2see applicable current flow diagram for engine
*3Data bus wire (CAN bus)
*4From November 2010

Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearbox



Wiring Diagram AUDI TT 2012 - Mechatronic unit for dual clutch gearboxUnlock Lifetime Access for This Car.
G193 Automatic gearbox hydraulic pressure sender 1
G194 Automatic gearbox hydraulic pressure sender 2
G487 Gear selector movement sensor 1
G488 Gear selector movement sensor 2
G489 Gear selector movement sensor 3
G490 Gear selector movement sensor 4
J217 Automatic gearbox control unit
J743 Mechatronic unit for dual clutch gearbox
N435 Valve 3 in sub-gearbox 1
N436 Valve 4 in sub-gearbox 1
N439 Valve 3 in sub-gearbox 2
N440 Valve 4 in sub-gearbox 2
N471 Cooling oil valve
N472 Main pressure valve

Wiring Diagram AUDI TT 2012 - Selector lever sensors control unit - Selector lever lock solenoid



Wiring Diagram AUDI TT 2012 - Selector lever sensors control unit - Selector lever lock solenoidUnlock Lifetime Access for This Car.
E313 Selector lever
F189 Tiptronic switch
F319 Selector lever locked in position P switch
J285 Control unit in dash panel insert
J527 Steering column electronics control unit
J587 Selector lever sensors control unit
L101 Selector lever display illumination bulb
N110 Selector lever lock solenoid
SC12 Fuse 12 on fuse holder C
SC14 Fuse 14 on fuse holder C
T4r 4-pin connector
T10p 10-pin connector
T10r 10-pin connector
T20c 20-pin connector
T32 32-pin connector
Y26 Selector lever position display
   44 Earth point, lower part of left A-pillar
   384 Earth connection 19, in main wiring harness
*Data bus wire (CAN bus)


AUDI TT 2012 Overview of relay carriers

Overview of relay carriers
AUDI TT 2012 Overview of relay carriersUnlock Lifetime Access for This Car.
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 2012 Relay carrier behind left of dash panel, left-hand drive

AUDI TT 2012 Relay carrier behind left of dash panel, left-hand driveUnlock Lifetime Access for This Car.
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 2012 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
 
AUDI TT 2012 Relay carrier behind right of dash panel, right-hand driveUnlock Lifetime Access for This Car.
AUDI TT 2012 Relay carrier behind right of dash panel, right-hand driveUnlock Lifetime Access for This Car.
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

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AUDI TT 2012 Relay carrier in electronics box, engine compartment

Relay carrier in electronics box, engine compartment
Fitting location
   
In electronics box, engine compartment -1-.
Relay assignment
 
AUDI TT 2012 Relay carrier in electronics box, engine compartmentUnlock Lifetime Access for This Car.
AUDI TT 2012 Relay carrier in electronics box, engine compartmentUnlock Lifetime Access for This Car.
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

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AUDI TT 2012 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.
   
AUDI TT 2012 Position of relays on onboard supply control unit J519 , up to May 2009Unlock Lifetime Access for This Car.
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

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AUDI TT 2012 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
 
AUDI TT 2012 Relay carrier on onboard supply control unit J519 , from June 2009Unlock Lifetime Access for This Car.
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
 
AUDI TT 2012 Relay carrier on onboard supply control unit J519 , from June 2009Unlock Lifetime Access for This Car.
AUDI TT 2012 Relay carrier on onboard supply control unit J519 , from June 2009Unlock Lifetime Access for This Car.
2 -  Heated rear window relay -J9-
3.2 -  Headlight washer system relay -J39-
4 -  Vacant
5 -  Vacant

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AUDI TT 2012 Overview of fuses

Overview of fuses
AUDI TT 2012 Overview of fusesUnlock Lifetime Access for This Car.



AUDI TT 2012 Fuses (SA) on fuse holder A

AUDI TT 2012 Fuses (SA) on fuse holder AUnlock Lifetime Access for This Car.
A -  Screw​ connection​ terminal​ 30​ (C)​ of main fuse carrier on the battery -A-
SA -  Fuses on fuse holder A
q   Position of fuses

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AUDI TT 2012 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
 
AUDI TT 2012 Fuses (SB) on fuse holder BUnlock Lifetime Access for This Car.
AUDI TT 2012 Fuses (SB) on fuse holder BUnlock Lifetime Access for This Car.
1 -  Fuse carrier ST1, black
q   Position of fuses
2 -  Fuse carrier ST2, brown
q   Position of fuses
3 -  Vacant
4 -  Vacant

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AUDI TT 2012 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
 
AUDI TT 2012 Fuses (SC) on fuse holder CUnlock Lifetime Access for This Car.
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
 
AUDI TT 2012 Fuses (SC) on fuse holder CUnlock Lifetime Access for This Car.
Fuse locations
 
AUDI TT 2012 Fuses (SC) on fuse holder CUnlock Lifetime Access for This Car.
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      

  Note
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
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AUDI TT 2012 Fuses (SF) on fuse holder F

AUDI TT 2012 Fuses (SF) on fuse holder FUnlock Lifetime Access for This Car.
A -  Vacant
B -  Vacant
C -  Vacant
1 -  Fuse holder F
q   Position of fuses

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AUDI TT 2012 Fuses (SD) on main fuse carrier

Fuses (SD) on main fuse carrier
   
In luggage compartment, on the battery -A--1- .
 
AUDI TT 2012 Fuses (SD) on main fuse carrierUnlock Lifetime Access for This Car.
AUDI TT 2012 Fuses (SD) on main fuse carrierUnlock Lifetime Access for This Car.
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

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AUDI TT 2012 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
 
AUDI TT 2012 Fuses on relay carrier behind dash panelUnlock Lifetime Access for This Car.
AUDI TT 2012 Fuses on relay carrier behind dash panelUnlock Lifetime Access for This Car.
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
 
AUDI TT 2012 Fuses on relay carrier behind dash panelUnlock Lifetime Access for This Car.
AUDI TT 2012 Fuses on relay carrier behind dash panelUnlock Lifetime Access for This Car.
A -  Vacant
B -  Vacant
C -  Driver seat adjustment thermal fuse 1 -S44-, 20 A
D -  Vacant

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AUDI TT 2012 Slave start socket U6

Slave start socket -U6-
Location:
in rear left of engine compartment.
   
AUDI TT 2012 Slave start socket U6Unlock Lifetime Access for This Car.
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-

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AUDI TT 2012 Overview of control units

Overview of control units
AUDI TT 2012 Overview of control unitsUnlock Lifetime Access for This Car.
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 2012 ABS control unit J104

AUDI TT 2012 ABS control unit J104Unlock Lifetime Access for This Car.
A -  ABS control unit -J104-
.


AUDI TT 2012 Engine control unit J623

Engine control unit -J623-
Fitting location
   
in plenum chamber -1-.
Connector assigment
 
AUDI TT 2012 Engine control unit J623Unlock Lifetime Access for This Car.
AUDI TT 2012 Engine control unit J623Unlock Lifetime Access for This Car.
A -  Engine control unit -J623-
C -  60-pin connector -T60-, black, on wiring harness

Connector assignment, 3.2 I V6
   
AUDI TT 2012 Engine control unit J623Unlock Lifetime Access for This Car.
A -  Engine control unit -J623-
C -  40-pin connector -T40-, black, on wiring harness

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AUDI TT 2012 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-
 
AUDI TT 2012 Control unit for parking aid J446Unlock Lifetime Access for This Car.
AUDI TT 2012 Control unit for parking aid J446Unlock Lifetime Access for This Car.
C -  12-pin connector -T12l-, black

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AUDI TT 2012 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-
 
AUDI TT 2012 Convenience system central control unit J393 , up to May 2009Unlock Lifetime Access for This Car.
AUDI TT 2012 Convenience system central control unit J393 , up to May 2009Unlock Lifetime Access for This Car.
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

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AUDI TT 2012 Driver door control unit J386

AUDI TT 2012 Driver door control unit J386Unlock Lifetime Access for This Car.
A -  Driver door control unit -J386-
C -  16-pin connector -T16f-, black, on wiring harness
D -  20-pin connector -T20f-, black, on wiring harness

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AUDI TT 2012 Front passenger door control unit J387

AUDI TT 2012 Front passenger door control unit J387Unlock Lifetime Access for This Car.
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

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AUDI TT 2012 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-
 
AUDI TT 2012 Convertible roof actuation control unit J256 , RoadsterUnlock Lifetime Access for This Car.
AUDI TT 2012 Convertible roof actuation control unit J256 , RoadsterUnlock Lifetime Access for This Car.
2 -  10-pin connector -T10v-, black

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AUDI TT 2012 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
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AUDI TT 2012 Electronically controlled damping control unit J250

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-
 
AUDI TT 2012 Electronically controlled damping control unit J250Unlock Lifetime Access for This Car.
AUDI TT 2012 Electronically controlled damping control unit J250Unlock Lifetime Access for This Car.
A -  47-pin connector -T47-, black

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AUDI TT 2012 Steering column electronics control unit J527

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-

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AUDI TT 2012 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-
 
AUDI TT 2012 onboard supply control unit J519 , up to May 2009Unlock Lifetime Access for This Car.
AUDI TT 2012 onboard supply control unit J519 , up to May 2009Unlock Lifetime Access for This Car.
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

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AUDI TT 2012 onboard supply control unit J519 , from June 2009

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-
 
AUDI TT 2012 onboard supply control unit J519 , from June 2009Unlock Lifetime Access for This Car.
AUDI TT 2012 onboard supply control unit J519 , from June 2009Unlock Lifetime Access for This Car.
2 -  52-pin connector -T52b-, yellow
3 -  52-pin connector -T52c-, brown

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AUDI TT 2012 Control unit in dash panel insert J285

AUDI TT 2012 Control unit in dash panel insert J285Unlock Lifetime Access for This Car.
1 -  32-pin connector -T32-, blue

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AUDI TT 2012 Data bus diagnostic interface J533

AUDI TT 2012 Data bus diagnostic interface J533Unlock Lifetime Access for This Car.
1 -  20-pin connector -T20d-, black

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AUDI TT 2012 Headlight range control, control unit J431

AUDI TT 2012 Headlight range control, control unit J431Unlock Lifetime Access for This Car.
A -  Headlight range control, control unit -J431-
B -  26-pin connector -T26a-, black, on wiring harness

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AUDI TT 2012 Airbag control unit J234

AUDI TT 2012 Airbag control unit J234Unlock Lifetime Access for This Car.
A -  75-pin connector -T75-, yellow

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AUDI TT 2012 Fuel pump control unit J538

A -  Fuel pump control unit -J538-

Connector assigment
   
AUDI TT 2012 Fuel pump control unit J538Unlock Lifetime Access for This Car.
A -  Fuel pump control unit -J538-
B -  10-pin connector -T10k-, black, on wiring harness

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AUDI TT 2012 Tyre pressure monitor control unit 2 J793

AUDI TT 2012 Tyre pressure monitor control unit 2 J793Unlock Lifetime Access for This Car.
1 -  18-pin connector -T18c-, black

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AUDI TT 2012 Climatronic control unit J255

AUDI TT 2012 Climatronic control unit J255Unlock Lifetime Access for This Car.
2 -  20-pin connector -T20k-
4 -  16-pin connector -T16c-, brown
5 -  3-pin connector -T3ae-, black

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AUDI TT 2012 Wiper motor control unit J400

Wiper motor control unit -J400-
Fitting location
in driver side plenum chamber.
   
AUDI TT 2012 Wiper motor control unit J400Unlock Lifetime Access for This Car.
3 -  Wiper motor control unit -J400-
5 -  4-pin connector -T4-, black

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AUDI TT 2012 Radiator fan control unit J293

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-

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AUDI TT 2012 Power steering control unit J500

A -  Power steering control unit -J500-
B -  2-pin connector -T2s-, black

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AUDI TT 2012 Radio controlled clock receiver J489

Radio controlled clock receiver -J489-
Fitting location
   
behind the rear left bumper.
1 -  Radio controlled clock receiver -J489-
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AUDI TT 2012 Battery monitor control unit J367

On the battery -A-.
1 -  battery -A-
2 -  Battery monitor control unit -J367-
2 -  2-pin connector -T2au-, yellow
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AUDI TT 2012 Tyre pressure monitor control unit J502 , USA

Tyre pressure monitor control unit -J502-, USA
Fitting location
behind instrument cluster.
 
AUDI TT 2012 Tyre pressure monitor control unit J502 , USAUnlock Lifetime Access for This Car.
AUDI TT 2012 Tyre pressure monitor control unit J502 , USAUnlock Lifetime Access for This Car.
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  

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AUDI TT 2012 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.
   
AUDI TT 2012 Left gas discharge bulb control unit J343 / right gas discharge light control unit J344Unlock Lifetime Access for This Car.
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

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AUDI TT 2012 Anti-theft alarm sensor G578

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

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AUDI TT 2012 Front interior light W1

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

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AUDI TT 2012 Overview of convertible roof components

Overview of convertible roof components
AUDI TT 2012 Overview of convertible roof componentsUnlock Lifetime Access for This Car.
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

.
in centre console -1-.
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In front left of luggage compartment -1-.
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On windbreak at centre of luggage compartment wall -1-.
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On convertible roof linkage at front centre -1-.
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On left roof cross member behind the sun visor -1-.
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On right roof cross member behind the sun visor -1-.
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On convertible roof linkage at front left -1-.
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On convertible roof linkage at front right -1-.
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On convertible roof mechanism at lower left behind the side trim panel -1-.
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On convertible roof mechanism at left behind the side trim panel -1-.
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Under the right convertible top cover -1-.
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Under the left convertible top cover -1-.
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AUDI TT 2012 Overview of convertible roof componentsUnlock Lifetime Access for This Car.
1 -  Convertible roof latch open switch -F294-
2 -  Contact for convertible roof latch open switch -F294-
3 -  Cable to 4-pin connector -T4w-

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