AUDI TT 2010 – 2.0l petrol engine, CDMA . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI TT 2010 - Battery - Starter - Battery isolation igniter

A	Battery
B	Starter
J104	ABS control unit
J234	Airbag control unit
N253	Battery isolation igniter
SD1	Fuse 1 on fuse holder D
SD2	Fuse 2 on fuse holder D
SD3	Fuse 3 on fuse holder D
T2b	2-pin connector
">T47	"> 47-pin connector
T75	75-pin connector
U6	Jump start socket
40	Earth point, under rear right seat
B299	Positive connection 3 (30), in main wiring harness
B300	Positive connection 4 (30), in main wiring harness
B301	Positive connection 5 (30), in main wiring harness
P2	Positive connection (30), in battery wiring harness
P4	Positive connection 2 (30) in battery wiring harness
*	Main fuse box, on battery on rear right in luggage compartment
*2	Only models with jump start socket
*3	Only models with energy recovery
*4	see applicable current flow diagram

Wiring Diagram AUDI TT 2010 - Alternator

C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
SA1	Fuse 1 in fuse holder A
SA2	Fuse 2 in fuse holder A
SA3	Fuse 3 in fuse holder A
SA4	Fuse 4 in fuse holder A
SA5	Fuse 5 in fuse holder A
SA6	Fuse 6 in fuse holder A
SA7	Fuse 7 in fuse holder A
SA8	Fuse 8 in fuse holder A
T2	2-pin connector
T4a	4-pin connector, front left in engine compartment
T8h	8-pin connector
T52c	52-pin connector
14	Earth point, on gearbox
671	Earth point 1, on front of left longitudinal member
B272	Positive connection (30), in main wiring harness
B344	Connection 1 (61), in main wiring harness
*	Main fuse carrier, in E-box on left of plenum chamber
*2	Only models with energy recovery
*3	see applicable current flow diagram
*4	Up to May 2009
*5	From June 2009
*6	From June 2010

Wiring Diagram AUDI TT 2010 - Terminal 50 voltage supply relay

J104	ABS control unit
J519	Onboard supply control unit
J681	Terminal 15 voltage supply relay 2
J682	Terminal 50 voltage supply relay, Relay carrier on left under dash panel
SC1	Fuse 1 on fuse holder C
SC2	Fuse 2 on fuse holder C
SC4	Fuse 4 on fuse holder C
SC7	Fuse 7 on fuse holder C
SC11	Fuse 11 on fuse holder C
SC29	Fuse 29 on fuse holder C
SC31	Fuse 31 on fuse holder C
T2t	2-pin connector
">T47	"> 47-pin connector
44	Earth point, lower part of left A-pillar
374	Earth connection 9, in main wiring harness
375	Earth connection 10, in main wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B277	Positive connection 1 (15a) in main wiring harness
B283	Positive connection 7 (15a) in main wiring harness
*	Relay carrier on onboard supply control unit, on left under dash panel
*2	see applicable current flow diagram for basic equipment
*3	From June 2009
*4	Up to May 2009
*5	Only models with sport program button
*6	From September 2009

Wiring Diagram AUDI TT 2010 - Engine component current supply relay

J757	Engine component current supply relay
ST1	Fuse carrier 1
ST2	Fuse carrier 2
SB6	Fuse 6 on fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
SB9	Fuse 9 on fuse holder B
SB10	Fuse 10 on fuse holder B
SB11	Fuse 11 on fuse holder B
SB12	Fuse 12 on fuse holder B
B352	Positive connection 3 (87a) in main wiring harness
B353	Positive connection 4 (87a) in main wiring harness
*	Relay and fuse carrier, in E-box in engine compartment

Wiring Diagram AUDI TT 2010 - Suppression filter - Main relay - Engine control unit

C24	Suppression filter
J271	Main relay
J623	Engine control unit
SC32	Fuse 32 on fuse holder C
SC36	Fuse 36 on fuse holder C
T94	94-pin connector
366	Earth connection 1, in main wiring harness
379	Earth connection 14, in main wiring harness
672	Earth point 2, on front of left longitudinal member
B298	Positive connection 2 (30), in main wiring harness
*	Relay and fuse carrier, in E-box in engine compartment

Wiring Diagram AUDI TT 2010 - Engine control unit

E45	Cruise control system switch
J527	Steering column electronics control unit
J533	Data bus diagnostic interface
J623	Engine control unit
J743	Mechatronic unit for dual clutch gearbox
T16	16-pin connector
T20c	20-pin connector
T20d	20-pin connector
T20e	20-pin connector
T94	94-pin connector
B351	Positive connection 2 (87a) in main wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B444	Connection 1 (diagnosis), in main wiring harness
*	Only models with cruise control system (CCS)
*2	Diagnostic connection
*3	Data bus wire (CAN bus)
*4	Only models with dual clutch gearbox 02E
*5	Up to May 2008

Wiring Diagram AUDI TT 2010 - Engine control unit - Ignition coil 1 with output stage

J623	Engine control unit
N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
P	Spark plug connector
Q	Spark plugs
T4h	4-pin connector
T4i	4-pin connector
T4k	4-pin connector
T4l	4-pin connector
T14	14-pin connector, front left in engine compartment
T60	60-pin connector
15	Earth point, on cylinder head
85	Earth connection 1, in engine compartment wiring harness
131	Earth connection 2, in engine compartment wiring harness
D52	Positive connection (15a), in engine compartment wiring harness

Wiring Diagram AUDI TT 2010 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4

J623	Engine control unit
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T8i	8-pin connector, near injectors
T14	14-pin connector, front left in engine compartment
T60	60-pin connector
85	Earth connection 1, in engine compartment wiring harness

Wiring Diagram AUDI TT 2010 - Air mass meter - Accelerator position sender - Engine control unit

G70	Air mass meter
G79	Accelerator position sender
G185	Accelerator position sender 2
J623	Engine control unit
T5b	5-pin connector
T6o	6-pin connector
T12m	12-pin connector, in luggage compartment, rear right
T94	94-pin connector
B486	Connection 22, in main wiring harness
*	From June 2007
*2	According to equipment
*3	Up to May 2007

Wiring Diagram AUDI TT 2010 - Throttle valve module - Engine control unit

G186	Throttle valve drive for electric throttle
G187	Throttle valve drive angle sender 1 for electric throttle
G188	Throttle valve drive angle sender 2 for electric throttle
J338	Throttle valve module
J623	Engine control unit
T6b	6-pin connector
T60	60-pin connector
*	gradual introduction

Wiring Diagram AUDI TT 2010 - Charge pressure sender - Radiator outlet coolant temperature sender - Intake manifold flap potentiometer - Fuel pressure sender for low-pressure - Engine control unit

G31	Charge pressure sender
G83	Radiator outlet coolant temperature sender
G336	Intake manifold flap potentiometer
G410	Fuel pressure sender for low-pressure
J623	Engine control unit
T4s	4-pin connector, front left in engine compartment
T14	14-pin connector, front left in engine compartment
T60	60-pin connector
T94	94-pin connector
V157	Intake manifold flap motor
220	Earth connection (sender earth), in engine wiring harness
B466	Connection 2, in main wiring harness
D101	Connection 1 in engine compartment wiring harness

Wiring Diagram AUDI TT 2010 - Hall sender - Intake air temperature sender - Coolant temperature sender - Fuel pressure sender - Engine control unit

G40	Hall sender
G42	Intake air temperature sender
G62	Coolant temperature sender
G247	Fuel pressure sender
J623	Engine control unit
T6p	6-pin connector, on front of engine
T60	60-pin connector
220	Earth connection (sender earth), in engine wiring harness
D102	Connection 2 in engine compartment wiring harness

Wiring Diagram AUDI TT 2010 - Engine speed sender - Knock sensor 1 - Knock sensor 2 - Engine control unit

G28	Engine speed sender
G61	Knock sensor 1
G66	Knock sensor 2
J623	Engine control unit
T3f	3-pin connector, green
T3g	3-pin connector, brown
T3h	3-pin connector, grey
T60	60-pin connector
D103	Connection 3 in engine compartment wiring harness

Wiring Diagram AUDI TT 2010 - Engine control unit - Charge pressure control solenoid valve - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Turbocharger air recirculation valve - Fuel pressure regulating valve - Variable intake manifold changeover valve

J623	Engine control unit
N75	Charge pressure control solenoid valve
N80	Activated charcoal filter solenoid valve 1
N205	Camshaft control valve 1
N249	Turbocharger air recirculation valve
N276	Fuel pressure regulating valve
N335	Variable intake manifold changeover valve
T14	14-pin connector, front left in engine compartment
T60	60-pin connector
T94	94-pin connector
D106	Connection 4 in engine compartment wiring harness
*	According to equipment

Wiring Diagram AUDI TT 2010 - Lambda probe - Lambda probe after catalytic converter - Engine control unit

G39	Lambda probe
G130	Lambda probe after catalytic converter
J623	Engine control unit
T4b	4-pin connector, black
T6c	6-pin connector, black
T94	94-pin connector
Z19	Lambda probe heater
Z29	Lambda probe 1 heater after catalytic converter

Wiring Diagram AUDI TT 2010 - Brake light switch - Clutch position sender - Engine control unit

F	Brake light switch
F47	Brake pedal switch
G476	Clutch position sender
J104	ABS control unit
J519	Onboard supply control unit
J623	Engine control unit
T4t	4-pin connector
T5h	5-pin connector
">T47	"> 47-pin connector
T94	94-pin connector
371	Earth connection 6, in main wiring harness
372	Earth connection 7, in main wiring harness
B335	Connection 1 (54), in main wiring harness
*	see applicable current flow diagram for basic equipment
*2	Only models with manual gearbox
*3	From June 2007
*4	Up to May 2007

Wiring Diagram AUDI TT 2010 - Continued coolant circulation relay - Engine control unit - Fuel system diagnostic pump

J151	Continued coolant circulation relay
J623	Engine control unit
T4s	4-pin connector, front left in engine compartment
T94	94-pin connector
V51	Continued coolant circulation pump
V144	Fuel system diagnostic pump
*	Only models with fuel system diagnostic pump
*2	Relay and fuse carrier, in E-box in engine compartment

Wiring Diagram AUDI TT 2010 - Radiator fan control unit - Fuel pump control unit - Engine control unit - Radiator fan

J293	Radiator fan control unit
J538	Fuel pump control unit
J623	Engine control unit
SF6	Fuse 6 in fuse holder F
SF8	Fuse 8 in fuse holder F
T4c	4-pin connector
T10k	10-pin connector
T94	94-pin connector
V7	Radiator fan
V177	Radiator fan 2
672	Earth point 2, on front of left longitudinal member

Wiring Diagram AUDI TT 2010 - Fuel gauge sender - Fuel system pressurisation pump - Control unit in dash panel insert - Fuel pump control unit

G	Fuel gauge sender
G1	Fuel gauge
G6	Fuel system pressurisation pump
J285	Control unit in dash panel insert
J519	Onboard supply control unit
J538	Fuel pump control unit
T10k	10-pin connector
T11b	11-pin connector
T32	32-pin connector
T52b	52-pin connector
43	Earth point, lower part of right A-pillar
390	Earth connection 25, in main wiring harness
410	Earth connection 1 (sender earth) in main wiring harness
*	From June 2009
*2	Output for sender earth
*3	Up to May 2009

Wiring Diagram AUDI TT 2010 - Oil pressure switch - Coolant shortage indicator switch - Oil level and oil temperature sender - Control unit in dash panel insert

F1	Oil pressure switch
F66	Coolant shortage indicator switch
G266	Oil level and oil temperature sender
J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
K3	Oil pressure warning lamp
K28	Coolant temperature and coolant shortage warning lamp
T6a	6-pin connector, front left in engine compartment
T14	14-pin connector, front left in engine compartment
T20d	20-pin connector
T32	32-pin connector
Y24	Display in dash panel insert
410	Earth connection 1 (sender earth) in main wiring harness
B278	Positive connection 2 (15a) in main wiring harness
*	Data bus wire (CAN bus)

Wiring Diagram AUDI TT 2010 - Control unit for structure-borne sound - Actuator for structure-borne sound

J869	Control unit for structure-borne sound
R214	Actuator for structure-borne sound
T12s	12-pin connector
44	Earth point, lower part of left A-pillar
376	Earth connection 11, in main wiring harness
*	Data bus wire (CAN bus)
*2	Only models with sport program button
*3	From September 2009

AUDI TT 2010

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

AUDI TT 2010 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 2010 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 2010 ABS control unit J104 Unlock Lifetime Access for This Car. A -  ABS control unit -J104- . AUDI TT 2010 Engine control unit J623 Engine control unit -J623- Fitting location

in plenum chamber -1-. Connector assigment

Unlock 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

A -	Engine control unit -J623-

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

Back to overview . AUDI TT 2010 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-

Unlock Lifetime Access for This Car.

C -	12-pin connector -T12l-, black

Back to overview . AUDI TT 2010 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-

Unlock 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

Back to overview . AUDI TT 2010 Driver door control unit J386 Unlock 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 Back to overview . AUDI TT 2010 Front passenger door control unit J387 Unlock 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 Back to overview . AUDI TT 2010 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-   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. 2 -  10-pin connector -T10v-, black Back to overview . AUDI TT 2010 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 2010 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-   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. A -  47-pin connector -T47-, black Back to overview . AUDI TT 2010 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- Back to overview . AUDI TT 2010 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-   Unlock Lifetime Access for This Car. Unlock 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 Back to overview . AUDI TT 2010 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-   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. 2 -  52-pin connector -T52b-, yellow 3 -  52-pin connector -T52c-, brown Back to overview . AUDI TT 2010 Control unit in dash panel insert J285 Unlock Lifetime Access for This Car. 1 -  32-pin connector -T32-, blue Back to overview . AUDI TT 2010 Data bus diagnostic interface J533 Unlock Lifetime Access for This Car. 1 -  20-pin connector -T20d-, black Back to overview . AUDI TT 2010 Headlight range control, control unit J431 Unlock Lifetime Access for This Car. A -  Headlight range control, control unit -J431- B -  26-pin connector -T26a-, black, on wiring harness Back to overview . AUDI TT 2010 Airbag control unit J234 Unlock Lifetime Access for This Car. A -  75-pin connector -T75-, yellow Back to overview . AUDI TT 2010 Fuel pump control unit J538 A -  Fuel pump control unit -J538- Connector assigment     Unlock Lifetime Access for This Car. A -  Fuel pump control unit -J538- B -  10-pin connector -T10k-, black, on wiring harness Back to overview . AUDI TT 2010 Tyre pressure monitor control unit 2 J793 Unlock Lifetime Access for This Car. 1 -  18-pin connector -T18c-, black Back to overview . AUDI TT 2010 Climatronic control unit J255 Unlock Lifetime Access for This Car. 2 -  20-pin connector -T20k- 4 -  16-pin connector -T16c-, brown 5 -  3-pin connector -T3ae-, black Back to overview . AUDI TT 2010 Wiper motor control unit J400 Wiper motor control unit -J400- Fitting location in driver side plenum chamber.     Unlock Lifetime Access for This Car. 3 -  Wiper motor control unit -J400- 5 -  4-pin connector -T4-, black Back to overview . AUDI TT 2010 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- Back to overview . AUDI TT 2010 Power steering control unit J500 A -  Power steering control unit -J500- B -  2-pin connector -T2s-, black Back to overview . AUDI TT 2010 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 2010 Battery monitor control unit J367 On the battery -A-. 1 -  battery -A- 2 -  Battery monitor control unit -J367- 2 -  2-pin connector -T2au-, yellow Back to overview . AUDI TT 2010 Tyre pressure monitor control unit J502 , USA Tyre pressure monitor control unit -J502-, USA Fitting location behind instrument cluster.   Unlock Lifetime Access for This Car. Unlock 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   Back to overview . AUDI TT 2010 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.     Unlock 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 Back to overview . AUDI TT 2010 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 Back to overview . AUDI TT 2010 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 Back to overview .     AUDI TT 2010 Overview of convertible roof components Overview of convertible roof components Unlock 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-. Back to overview . In front left of luggage compartment -1-. Back to overview . On windbreak at centre of luggage compartment wall -1-. Back to overview . On convertible roof linkage at front centre -1-. Back to overview . On left roof cross member behind the sun visor -1-. Back to overview . On right roof cross member behind the sun visor -1-. Back to overview . On convertible roof linkage at front left -1-. Back to overview . On convertible roof linkage at front right -1-. Back to overview . On convertible roof mechanism at lower left behind the side trim panel -1-. Back to overview . On convertible roof mechanism at left behind the side trim panel -1-. Back to overview . Under the right convertible top cover -1-. Back to overview . Under the left convertible top cover -1-. Back to overview . Unlock 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- Back to overview .     AUDI TT 2010 Overview of fuses Overview of fuses Unlock Lifetime Access for This Car. AUDI TT 2010 Fuses (SA) on fuse holder A Unlock 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 Back to overview .     . AUDI TT 2010 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   Unlock Lifetime Access for This Car. Unlock 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 Back to overview .     .     . AUDI TT 2010 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   Unlock 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   Unlock Lifetime Access for This Car. Fuse locations   Unlock 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 Back to overview . AUDI TT 2010 Fuses (SF) on fuse holder F Unlock Lifetime Access for This Car. A -  Vacant B -  Vacant C -  Vacant 1 -  Fuse holder F q   Position of fuses Back to overview .     . AUDI TT 2010 Fuses (SD) on main fuse carrier Fuses (SD) on main fuse carrier     In luggage compartment, on the battery -A--1- .   Unlock Lifetime Access for This Car. Unlock 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 Back to overview . AUDI TT 2010 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   Unlock Lifetime Access for This Car. Unlock 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   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. A -  Vacant B -  Vacant C -  Driver seat adjustment thermal fuse 1 -S44-, 20 A D -  Vacant Back to overview . AUDI TT 2010 Slave start socket U6 Slave start socket -U6- Location: in rear left of engine compartment.     Unlock 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- Back to overview .     AUDI TT 2010 Overview of relay carriers Overview of relay carriers Unlock 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 2010 Relay carrier behind left of dash panel, left-hand drive Unlock 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 2010 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   Unlock Lifetime Access for This Car. Unlock 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 Back to overview . AUDI TT 2010 Relay carrier in electronics box, engine compartment Relay carrier in electronics box, engine compartment Fitting location     In electronics box, engine compartment -1-. Relay assignment   Unlock Lifetime Access for This Car. Unlock 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 Back to overview . AUDI TT 2010 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.     Unlock 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 Back to overview . AUDI TT 2010 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   Unlock 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   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. 2 -  Heated rear window relay -J9- 3.2 -  Headlight washer system relay -J39- 4 -  Vacant 5 -  Vacant Back to overview .     AUDI TT 2010 Overview of coupling stations and connectors Overview of coupling stations and connectors Unlock Lifetime Access for This Car. 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 2010 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 2010 Coupling station under right front seat Coupling station under right front seat Fitting location Under front right seat.   Unlock Lifetime Access for This Car. 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 2010 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.   Unlock Lifetime Access for This Car. 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 2010 Coupling station on left of rear lid, Roadster Coupling station on left of rear lid, Roadster Fitting location behind side trim on left.   Unlock Lifetime Access for This Car. Connectors: 1 -  8-pin connector -T8e-, brown 2 -  6-pin, connector -T6f-, black Back to overview . AUDI TT 2010 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.   Unlock Lifetime Access for This Car. 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 2010 Coupling station left in engine compartment Coupling station left in engine compartment Fitting location in engine compartment, at front of left longitudinal member. Connector   Unlock Lifetime Access for This Car. Unlock Lifetime Access for This Car. A -  14-pin connector -T14-, black Back to overview . AUDI TT 2010 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     Unlock Lifetime Access for This Car. A -  8-pin connector -T8k-, black Back to overview . AUDI TT 2010 Coupling station in left side panel, Roadster Coupling station in left side panel, Roadster Fitting location behind left luggage compartment side trim. Connector     Unlock Lifetime Access for This Car. A -  10-pin connector -T10c-, black Back to overview . AUDI TT 2010 Diagnostic connection Diagnostic connection Fitting location under the shelf on the driver's side Connector     Unlock Lifetime Access for This Car. A -  16-pin connector -T16-, black Back to overview .     Can't find your car? Check -> DiagnostData.com! 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