Wiring Diagram AUDI TT 2016 - Front left seat temperature sender - Onboard supply control unit - Fuse holder C - Heated seat cushion for driver seat - Heated backrest for driver seat

A | Battery |
G344 | Front left seat temperature sender |
J519 | Onboard supply control unit |
S132 | Fuse 2 |
SC | Fuse holder C |
SC26 | Fuse 26 on fuse holder C |
T2fl | 2-pin connector |
T6f | 6-pin connector, green |
T6fx | 6-pin connector |
T73a | 73-pin connector |
T73c | 73-pin connector |
TSVL | Coupling point for front left seat |
Z6 | Heated seat cushion for driver seat |
Z7 | Heated backrest for driver seat |
96 | Earth connection 1, in seat heating wiring harness |
381 | Earth connection 16, in main wiring harness |
B431 | Connection (seat heating), in main wiring harness |
O12 | Connection 1, in seat heating wiring harness |
* | Pre-wired component |
*2 | see applicable current flow diagram for fuse assignment |
Wiring Diagram AUDI TT 2016 - Onboard supply control unit - Heated seat extension for driver seat - Heated seat extension for front passenger seat - Left bolster heater for driver seat - Right bolster heater for driver seat - Left bolster heater for front passenger seat - Right bolster heater for front passenger seat
J519 | Onboard supply control unit |
T2fm | 2-pin connector |
T2fo | 2-pin connector |
T3bg | 3-pin connector |
T3bk | 3-pin connector, black |
Z37 | Heated seat extension for driver seat |
Z38 | Heated seat extension for front passenger seat |
Z76 | Left bolster heater for driver seat |
Z77 | Right bolster heater for driver seat |
Z80 | Left bolster heater for front passenger seat |
Z81 | Right bolster heater for front passenger seat |
96 | Earth connection 1, in seat heating wiring harness |
136 | Earth connection 2, in seat heating wiring harness |
O12 | Connection 1, in seat heating wiring harness |
O14 | Connection 3, in seat heating wiring harness |
* | Pre-wired component |
*2 | According to equipment |
Wiring Diagram AUDI TT 2016 - Onboard supply control unit - Heated seat cushion for front passenger seat - Heated backrest for front passenger seat
G345 | Front right seat temperature sender |
J519 | Onboard supply control unit |
J706 | Seat occupied recognition control unit |
T2fn | 2-pin connector |
T6g | 6-pin connector, green |
T6gx | 6-pin connector |
T10v | 10-pin connector |
T73a | 73-pin connector |
T73c | 73-pin connector |
TSVR | Coupling point for front right seat |
Z8 | Heated seat cushion for front passenger seat |
Z9 | Heated backrest for front passenger seat |
35 | Earth point, under front passenger seat |
136 | Earth connection 2, in seat heating wiring harness |
382 | Earth connection 17, in main wiring harness |
O14 | Connection 3, in seat heating wiring harness |
* | Pre-wired component |
*2 | Only models with seat occupied recognition |
*3 | Only models with seat heating |
Wiring Diagram AUDI TT 2016 - Onboard supply control unit - Data bus diagnostic interface
EX21 | Heater and air conditioning controls |
J255 | Climatronic control unit |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
T20a | 20-pin connector |
T20c | 20-pin connector |
T73a | 73-pin connector |
B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
B398 | Connection 2 (convenience CAN bus, high), in main wiring harness |
B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
B407 | Connection 2 (convenience CAN bus, low), in main wiring harness |
* | From June 2015 |
AUDI TT 2016 Overview of fuses
Jump start connection -TV32- /wiring junction -TV1- |
q | Fitting location |
Relay and fuse carrier 4 -SR4- |
t | Fuse holder D -SD- |
t | Fuse holder F -SF- |
q | Fitting location |
q | Fuse assignment on fuse holder D -SD- |
q | Fuse assignment on fuse holder F -SF- |
q | Fitting location, right-hand drive models |
q | Fuse assignment on fuse holder C -SC- |
q | Fitting location and fuse assignment, right-hand drive models |
q | Fuse assignment on fuse holder B -SB- |
q | Fuse assignment |
Fitting location, fuse holder A -SA- |
1 - | Fuse holder A -SA- |
q | Fuse assignment |
508 | Threaded connection (30) on electronics box, B1 |
|
Fuse assignment on fuse holder A -SA- |
No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
J1A | - | Fuse 1 on fuse holder A -SA1- | 125 A | - | not assigned | 30 |
G1A | - | Fuse 2 on fuse holder A -SA2- | 400 A | - | Alternator -C- | 30 |
E1A | - | Fuse 3 on fuse holder A -SA3- | 80 A | - | Power steering control unit -J500- | 30 |
K2A | - | Fuse 4 on fuse holder A -SA4- | 80 A | - | not assigned | 30 |
L1A | - | Fuse 5 on fuse holder A -SA5- | 50 A | - | Radiator fan control unit -J293- | 30 |
|
Fitting location, relay and fuse carrier 1 -SR1- |
1 - | Fuse holder B -SB- |
q | Fuse assignment |
Fuse colours, J-Case fuse |
t | 50 A - red |
t | 40 A - green |
t | 30 A - pink |
Fuse colours, ATO flat fuse |
t | 40 A - orange |
t | 30 A - light green |
t | 25 A - clear |
t | 20 A - yellow |
t | 15 A - light blue |
t | 10 A - red |
t | 7.5 A - brown |
t | 5 A - light brown |
t | 1 A - black |
|
Fuse assignment on fuse holder B -SB- |
No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
1 | - | not assigned | - | |||
2 | - | not assigned | - | |||
3 | - | Fuse 3 on fuse holder B -SB3- | 5 A | - | Engine control unit -J623- | 30 |
4 | - | Fuse 4 on fuse holder B -SB4- | 10 A1) 3) 4) 5 A2) | - | Oil level and oil temperature sender -G266- Radiator fan control unit -J293- Charge pressure control solenoid valve -N75-2) Low heat output relay -J359-2) High heat output relay -J360-2) Turbocharger air recirculation valve -N249-1) 3) 4) Intake manifold flap valve -N316-1) 3) 4) Valve for oil pressure control -N428-1) 3) 4) Piston cooling jet control valve -N522-1) 3) 4) Secondary air pump relay -J299-1) 3) | 87 |
5 | - | Fuse 5 on fuse holder B -SB5- | 10 A | - | Fuel pressure regulating valve -N276-2) Fuel metering valve -N290-2) Camshaft control valve 1 -N205-2) Engine component current supply relay 2 -J976-1) 3) 4) Injector for cylinder -N532- … -N535-1) 3) 4) Actuator for camshaft adjustment -F366- … -F373-1) 3) 4) | 87 |
6 | - | Fuse 6 on fuse holder B -SB6- | 5 A | - | Brake light switch -F- /brake pedal switch -F63- | 87 |
7 | - | Fuse 7 on fuse holder B -SB7- | 7.5 A1) 3) 4) 10 A2) | - | Coolant shut-off valve -N82-1) 3) 4) Coolant valve for gearbox -N488-1) 3) 4) 5) Coolant circulation pump -V50-1) 3) 4) Valve for oil pressure control -N428-2) Coolant valve for cylinder head -N489-2) Charge air cooling pump -V188-2) Auxiliary pump for heating -V488-2) | 87 |
8 | - | Fuse 8 on fuse holder B -SB8- | 15 A1) 3) 4) 10 A2) | - | Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29- | 87 |
9 | - | Fuse 9 on fuse holder B -SB9- | 10 A1) 3) 4) 5 A2) | - | Air mass meter -G70-2) Heater element for crankcase breather -N79-2) Automatic glow period control unit -J179-2) Continued coolant circulation pump -V51-1) 3) 4) Activated charcoal filter solenoid valve 1 -N80-1) 3) 4) Camshaft control valve 1 -N205-1) 3) 4) Exhaust camshaft control valve 1 -N318-1) 3) 4) Exhaust flap control unit -J883-1) 3) Exhaust flap control unit 2 -J945-1) 3) | 87 |
10 | - | Fuse 10 on fuse holder B -SB10- | 15 A1) 3) 4) 20 A2) | - | Fuel pump control unit -J538- | 87 |
11 | - | Fuse 11 on fuse holder B -SB11- | 40 A2) 50 A1) 3) | - | Auxiliary air heater element -Z35-2) Secondary air pump motor -V101-1) 3) | 87 |
12 | - | Fuse 12 on fuse holder B -SB12- | 40 A2) | - | Auxiliary air heater element -Z35-2) | 87 |
13 | - | Fuse 13 on fuse holder B -SB13- | 15 A | - | Mechatronic unit for dual clutch gearbox -J743- | 30 |
14 | - | not assigned | - | |||
15 | - | Fuse 15 on fuse holder B -SB15- | 15 A | - | Horn relay -J413- Treble horn -H2- Bass horn -H7- | 30 |
16 | - | Fuse 16 on fuse holder B -SB16- | 20 A | - | Engine component current supply relay 2 -J976-1) 3) 4) | 30 |
17 | - | Fuse 17 on fuse holder B -SB17- | 10 A | - | Suppression filter -C24- | 30 |
18 | - | Fuse 18 on fuse holder B -SB18- | 5 A | - | Garage door operation control unit -J530- | 30 |
19 | - | Fuse 19 on fuse holder B -SB19- | 30 A | - | Wiper motor control unit -J400- | 30 |
20 | - | Fuse 20 on fuse holder B -SB20- | 10 A | - | Alarm horn -H12- | 30 |
21 | - | not assigned | - | |||
22 | - | Fuse 22 on fuse holder B -SB22- | 5 A | - | Engine control unit -J623- | 50 |
23 | - | Fuse 23 on fuse holder B -SB23- | 30 A | - | Starter -B- | 50 |
24 | - | Fuse 24 on fuse holder B -SB24- | 40 A2) | - | Auxiliary air heater element -Z35-2) | 87 |
25 | - | not assigned | - | |||
26 | - | not assigned | - | |||
27 | - | not assigned | - | |||
28 | - | not assigned | - | |||
29 | - | not assigned | - | |||
30 | - | not assigned | - | |||
31 | - | not assigned | - | |||
32 | - | not assigned | - | |||
33 | - | not assigned | - | |||
34 | - | not assigned | - | |||
35 | - | not assigned | - | |||
36 | - | not assigned | - | |||
37 | - | not assigned | - | |||
38 | - | not assigned | - |
t | 1) models with engine code CHHC, CNTC only |
t | 2) models with engine code CUNA only |
t | 3) models with engine code CJXF, CJXG, CYFB only |
t | 4) models with engine code CJSA only |
t | 5) models with all-wheel drive only |
|
Fitting location, relay and fuse carrier 2 -SR2- |
Fitting location, relay and fuse carrier 2 -SR2- , left-hand drive models |
1 - | Fuse holder C -SC- |
q | Fuse assignment |
Fuse colours, J-Case fuse |
t | 50 A - red |
t | 40 A - green |
t | 30 A - pink |
Fuse colours, ATO flat fuse |
t | 40 A - orange |
t | 30 A - light green |
t | 25 A - clear |
t | 20 A - yellow |
t | 15 A - light blue |
t | 10 A - red |
t | 7.5 A - brown |
t | 5 A - light brown |
t | 1 A - black |
|
Fitting location, relay and fuse carrier 2 -SR2- , right-hand drive models |
1 - | Fuse holder C -SC- |
q | Fuse assignment |
Fuse colours, J-Case fuse |
t | 50 A - red |
t | 40 A - green |
t | 30 A - pink |
Fuse colours, ATO flat fuse |
t | 40 A - orange |
t | 30 A - light green |
t | 25 A - clear |
t | 20 A - yellow |
t | 15 A - light blue |
t | 10 A - red |
t | 7.5 A - brown |
t | 5 A - light brown |
t | 1 A - black |
|
Fuse assignment, fuse holder C -SC- |
No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
1 | - | Fuse 1 on fuse holder C -SC1- | 30 A | - | Control unit for reducing agent metering system -J880- | 30 |
2 | - | not assigned | - | |||
3 | - | Fuse 3 on fuse holder C -SC3- | 40 A | - | ABS control unit -J104- | 30 |
4 | - | Fuse 4 on fuse holder C -SC4- | 7.5 A | - | Control unit 1 for information electronics -J794- Multimedia system operating unit -E380- | 30 |
5 | - | Fuse 5 on fuse holder C -SC5- | 5 A | - | Data bus diagnostic interface -J533- | 30 |
6 | - | Fuse 6 on fuse holder C -SC6- | 5 A | - | Selector lever sensors control unit -J587- Anti-theft alarm sensor -G578- | 30 |
7 | - | Fuse 7 on fuse holder C -SC7- | 10 A | - | Climatronic control unit -J255- Heated rear window relay -J9- Tyre Pressure Monitoring System control unit -J502- | 30 |
8 | - | Fuse 8 on fuse holder C -SC8- | 10 A | - | Light switch -E1- Electromechanical parking brake button -E538- Diagnostic connection -U31- Roof electronics control unit -J528- Light and rain sensor -G397- | 30 |
9 | - | Fuse 9 on fuse holder C -SC9- | 1 A | - | Steering column electronics control unit -J527- | 30 |
10 | - | not assigned | - | |||
11 | - | Fuse 11 on fuse holder C -SC11- | 15 A | - | All-wheel drive control unit -J492- | 30 |
12 | - | Fuse 12 on fuse holder C -SC12- | 20 A 30 A | - | Control unit 1 for information electronics -J794- Digital sound package control unit -J525- | 30 |
13 | - | Fuse 13 on fuse holder C -SC13- | 20 A | - | Electronically controlled damping control unit -J250- | 30 |
14 | - | Fuse 14 on fuse holder C -SC14- | 30 A | - | Fresh air blower control unit -J126- | 30 |
15 | - | Fuse 15 on fuse holder C -SC15- | 10 A | - | Control unit for electronic steering column lock -J764- | 30 |
16 | - | Fuse 16 on fuse holder C -SC16- | 7.5 A | - | TV tuner -R78- Aerial amplifier for mobile telephone -R86- Telephone bracket -R126- Chip card reader control unit -J676- | 30 |
17 | - | Fuse 17 on fuse holder C -SC17- | 10 A | - | Control unit in dash panel insert -J285- | 30 |
18 | - | Fuse 18 on fuse holder C -SC18- | 7.5 A | - | Interface control unit for vehicle location system -J843- Reversing camera system control unit -J772- | 30 |
19 | - | Fuse 19 on fuse holder C -SC19- | 7.5 A | - | Entry and start authorisation control unit -J518- | 30 |
20 | - | Fuse 20 on fuse holder C -SC20- | 10 A | - | Front left seat Front right seat | 30 |
21 | - | not assigned | - | |||
22 | - | Fuse 22 on fuse holder C -SC22- | 5 A | - | Control unit for right neck heating -J847-1) | 30 |
23 | - | Fuse 23 on fuse holder C -SC23- | 40 A | - | Onboard supply control unit -J519- | 30 |
24 | - | - | ||||
25 | - | Fuse 25 on fuse holder C -SC25- | 30 A | - | Driver door control unit -J386- | 30 |
26 | - | Fuse 26 on fuse holder C -SC26- | 30 A | - | Onboard supply control unit -J519- | 30 |
27 | - | not assigned | - | |||
28 | - | Fuse 28 on fuse holder C -SC28- | 5 A | - | Connection for external audio sources -R199- | 30 |
29 | - | Fuse 29 on fuse holder C -SC29- | 7.5 A | - | Glove compartment light switch -E26- Driver vanity mirror contact switch -F147- Front passenger vanity mirror contact switch -F148- Roof electronics control unit -J528- Front roof module -WX3- | 30 |
30 | - | not assigned | - | |||
31 | - | Fuse 31 on fuse holder C -SC31- | 40 A | - | Onboard supply control unit -J519- | 30 |
32 | - | Fuse 32 on fuse holder C -SC32- | 7.5 A | - | Lane change assist control unit -J769- Lane change assist control unit 2 -J770- Parking aid control unit -J446- Park assist steering control unit -J791- Front camera for driver assist systems -R242- | 15 |
33 | - | Fuse 33 on fuse holder C -SC33- | 5 A | - | Airbag control unit -J234- Roof electronics control unit -J528- Seat occupied recognition control unit -J706- | 15 |
34 | - | Fuse 34 on fuse holder C -SC34- | 7.5 A | - | Electromechanical parking brake button -E538- Auto-hold button -E540- Reversing light switch -F4- Pressure sender for refrigerant circuit -G805- Garage door operation control unit -J530- Relay for power sockets -J807- Relay for neck heating -J989-1) | 15 |
35 | - | Fuse 35 on fuse holder C -SC35- | 10 A | - | Operating unit in front of centre console -E461- Air quality sensor -G238- Headlight range control unit -J431- Diagnostic connection -U31- Automatic anti-dazzle interior mirror -Y7- | 15 |
36 | - | Fuse 36 on fuse holder C -SC36- | 15 A | - | Front right headlight -MX2- | 15 |
37 | - | Fuse 37 on fuse holder C -SC37- | 15 A | - | Front left headlight -MX1- | 15 |
38 | - | Fuse 38 on fuse holder C -SC38- | 7.5 A | - | Main relay -J271- Terminal 30 voltage supply relay -J317- Engine control unit -J623- ABS control unit -J104- | 30 |
39 | - | Fuse 39 on fuse holder C -SC39- | 30 A | - | Front passenger door control unit -J387- | 30 |
40 | - | Fuse 40 on fuse holder C -SC40- | 20 A | - | 12 V socket -U5- 12 V socket 2 -U18- | 30 |
41 | - | Fuse 41 on fuse holder C -SC41- | 7.5 A | - | Control unit for fuel tank leak detection -J909-2) Relay for reducing agent metering system -J963-3) | 30 |
42 | - | Fuse 42 on fuse holder C -SC42- | 40 A | - | Onboard supply control unit -J519- | 30 |
43 | - | Fuse 43 on fuse holder C -SC43- | 30 A | - | Onboard supply control unit -J519- | 30 |
44 | - | not assigned | - | |||
45 | - | Fuse 45 on fuse holder C -SC45- | 15 A | - | Front left seat | 30 |
46 | - | Fuse 46 on fuse holder C -SC46- | 30 A | - | Control unit for left neck heating -J846-1) | 30 |
47 | - | not assigned | - | |||
48 | - | not assigned | - | |||
49 | - | Fuse 49 on fuse holder C -SC49- | 5 A | - | Clutch position sender -G476- Starter relay 1 -J906- Starter relay 2 -J907- | 15 |
50 | - | Fuse 50 on fuse holder C -SC50- | 40 A | - | ABS control unit -J104- | 30 |
51 | - | not assigned | - | |||
52 | - | not assigned | - | |||
53 | - | not assigned | - |
1) roadster only |
2) for models with US equipment only |
3) for models with SCR system only |
|
Fitting location, relay and fuse carrier 3 -SR3- |
Fitting location, relay and fuse carrier 3 -SR3- , left-hand drive models |
1 - | Relay and fuse carrier 3 -SR3- |
A - | Front passenger seat adjustment thermal fuse 1 -S46- , 15 A, light blue |
B - | not assigned |
|
Fitting location, relay and fuse carrier 3 -SR3- , right-hand drive models |
1 - | Relay and fuse carrier 3 -SR3- |
A - | Front passenger seat adjustment thermal fuse 1 -S46- , 15 A, light blue |
B - | not assigned |
C - | not assigned |
|
Fitting location of main fuse carrier on the battery -A- |
A - | Main fuse carrier on battery -A- |
1 - | Fuse 3 -S133- , 110 A |
q | to fuse holder C -SC- |
2 - | Fuse 2 -S132- , 110 A |
q | to fuse holder C -SC- |
3 - | Connection battery monitor control unit -J367- , 2-pin connector -T2a- , yellow |
4 - | Connection jump start connection -TV32- , 508 threaded connection (30) on electronics box, B1 |
5 - | Fuse 1 -S131- , 30 A |
q | to Heated rear window relay -J9- , coupé |
5 - | Fuse 1 -S131- , 30 A |
q | to fuse 2 on fuse holder D -SD2- , roadster |
q | to fuse 1 on fuse holder F -SF1- , roadster |
q | to fuse 2 on fuse holder F -SF2- , roadster |
|
Fitting location, jump start connection -TV32- /wiring junction -TV1- |
1 - | Jump start connection -TV32- , negative |
2 - | Jump start connection -TV32- , positive/wiring junction -TV1- |
q | Positive connection, from main fuse carrier on battery -A- item 4 (A1), to 508 threaded connection (30) on electronics box, B1 |
q | Positive connection to starter -B- , C1 |
|
Fitting location, relay and fuse carrier 4 -SR4- |
1 - | Relay and fuse carrier 4 -SR4- |
A - | Fuse holder F -SF- |
q | Fuse assignment |
B - | Fuse holder D -SD- |
q | Fuse assignment |
|
Fuse assignment on fuse holder F -SF- |
No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
1 | - | Fuse 1 on fuse holder F -SF1- | 10 A | - | Convertible roof actuation control unit -J256- | 30 |
2 | - | Fuse 2 on fuse holder F -SF2- | 20 A | - | Heated rear window relay -J9- Heated rear window -Z1- | 30 |
|
Fuse assignment on fuse holder D -SD- |
No. | Current Flow Diagram designation | Nominal value | Function/component | Terminal | ||
1 | - | not assigned | - | |||
2 | - | Fuse 2 on fuse holder D -SD2- | 40 A | - | Convertible roof actuation control unit -J256- Convertible roof actuation motor -V82- Convertible roof actuation motor 2 -V576- | 30 |
|