For the Audi TT MK2 (8J) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 model year.
| Cigarette lighter fuse – (fuse box in passenger compartment, fuse №30/20A) or Cigarette lighter fuse – (fuse box in passenger compartment, fuse №38/20A) |
Fuse box in passenger compartment.
fuse box location.
fuse box diagram.
legend.
| Fuses | Amps | Circuits protected |
|---|---|---|
| 1 | 10A | Fuel pump relay Fuel pump control unit Engine control unit Passenger’s side airbag deactivation light Illumination, switch(es) Diagnostic connector (16) |
| 2 | 5A | ABS control unit Brake light switch |
| 3 | 5A | Power output control unit for the left headlight |
| 4 | 5A | Oil level and temperature sensor Tyre pressure monitor switch Tyre pressure monitor control unit TCS/ESP button Headlight range control unit Air-conditioning high-pressure sensor Reversing light switch |
| 5 | 10A | Right headlight range control motor Left headlight range control motor Headlight range control Or Headlight range control unit Power output control unit for the right headlight (5A also used) |
| 6 | 5A | Power steering control unit Data bus diagnostic interface Selector lever control unit Mechatronic unit for the dual-clutch gearbox |
| 7 | 5A | Parking assistance control unit Automatic anti-dazzle rear-view mirror Garage door opener Garage door operation control unit Heated washer jets Power supply control unit Washer pump relay Retractable rear windscreen control unit (cabriolet) |
| 8 | 5A | 4WD control unit |
| 9 | 5A | Electronic damper control unit |
| 10 | 5A | Airbag control unit |
| 11 | Mass airflow meter with air temperature sensor Or Not used (No value is available) | |
| 12 | 10A | Door control unit, front left Door control unit, front right |
| 13 | 10A | Diagnostic connector (16) |
| 14 | 5A | Rain and light sensor Gear selector control unit Mechatronic unit for the dual-clutch gearbox (15A also used) or not used |
| 15 | 5A | Power supply control unit Front interior light(s) Or Power supply control unit Front interior light(s) Rain and light sensor (15A also used) |
| 16 | 10A | Climatronic control unit |
| 17 | 5A | Tyre pressure monitor control unit Or Tyre pressure monitor control unit Selector lever control unit |
| 18 | Not used | |
| 19 | Not used | |
| 20 | Not used | |
| 21 | Not used | |
| 22 | 30A | Retractable rear windscreen control unit (cabriolet) or not used |
| 23 | 20A | Horns |
| 24 | 15A | Mechatronic unit for the dual-clutch gearbox (30A also used) |
| 25 | 30A | Heated rear windscreen (20A also used) |
| 26 | 30A | Driver’s side power window |
| 27 | 30A | Front passenger’s power window |
| 28 | Not used | |
| 29 | 15A | Washer pump |
| 30 | 20A | Cigarette lighter Or Not used |
| 31 | 40A | Starter Terminal 50 voltage supply relay |
| 32 | 40A | Control unit, steering column electronics |
| 33 | 5A | Control panel control unit |
| 34 | 15A | Navigation system with CD drive control unit Radio Information display control unit |
| 35 | 30A | Digital sound package control unit |
| 36 | 10A | Engine control unit Motronic power supply relay |
| 37 | 5A | Data bus diagnostic interface |
| 38 | 20A | Power socket relay Cigarette lighter or not used |
| 39 | Not used | |
| 40 | Not used | |
| 41 | Not used | |
| 42 | Not used | |
| 43 | Not used | |
| 44 | Not used | |
| 45 | Not used | |
| 46 | Not used | |
| 47a | 5A | Communication control unit Aerial selection control unit |
| 47b | 7.5A | TV tuner Data communication |
| 48 | 5A | Data communication |
| 49 | Not used |
Fuse and relay box in passenger compartment.
Fuse 1 – Not used
Fuse 2 – Not used
Fuse 3 (20.0 A) – Driver’s seat adjustment
Fuse 4 – Not used
Relay R1 – Not used
Relay R2 – Power socket relay or not used
Relay R3 – Control system relay or not used
Relay R4 – No information is available
Relay R5 – High-output heating relay or not used
Relay R6 – No information is available
Relay R7 – Terminal 50 voltage supply relay
Relay R8 – No information is available
Relay R9 – Cabriolet windscreen relay
Relay box in passenger compartment (pre 05/2009).
Relay R1 – Terminal 15 voltage supply relay
Relay R2 – Not used
Relay R3 – Not used
Relay R4 – Terminal 30 voltage supply relay
Relay R5 – Heated rear windscreen relay
Relay R6 – Horn relay
Relay R7 – Not used
Relay R8 – Washer pump relay
Relay R9 – Not used
Relay box in passenger compartment (since 06/2009).
Fuse 1 – No information is available
Fuse 2 – No information is available
Fuse 3 – No information is available
Fuse 4 – No information is available
Relay R1 – Terminal 15 voltage supply relay
Relay R2 – Heated rear windscreen relay
Relay R3 – Horn relay
Relay R4 – Headlight washer relay
Relay R5 – Not used
Relay R6 – Not used
Fuse and relay box in engine compartment Audi TT.
fuse box location.
fuse box diagram.
legend.
| Fuses | Amps | Circuits protected |
|---|---|---|
| 1 | Not used | |
| 2 | Not used | |
| 3 | Not used | |
| 4 | Not used | |
| 5 | 5A | Alarm horn Security alarm system |
| 6 | 30A | Headlight washer pump |
| 7 | 20A | Fuel pressure control solenoid |
| 8 | 30A | Wiper control unit |
| 9 | 25A | Heated driver’s seat Heated front passenger’s seat |
| 10 | 10A | Driver’s seat adjustment Front passenger’s seat adjustment |
| 11 | Not used | |
| 12 | 40A | Fresh-air blower control unit Blower |
| 13 | Not used | |
| 14 | Not used | |
| 15 | Not used | |
| 16 | Not used | |
| 17 | Not used | |
| 18 | 10A | Oxygen sensor Oxygen sensor behind the catalytic converter |
| 19 | 10A | Radiator fan control unit Fuel system diagnostic pump |
| 20 | 20A | Ignition coils |
| 21 | 15A | Engine control unit |
| 22 | 10A | Coolant circulation pump Coolant circulation relay |
| 23 | 5A | Clutch pedal position sensor |
| 24 | 10A | Power supply relay Canister purge solenoid Turbo pressure control solenoid Camshaft timing solenoid Turbo bypass solenoid Swirl control solenoid Oil pressure control valve |
| 25-51 | Not used | |
| R1 | Headlight washer relay or not used | |
| R2 | Fuel pump relay | |
| R3 | Coolant circulation relay | |
| R4 | Secondary air pump relay | |
| R5 | Motronic power supply relay | |
| R6 | Power supply relay |
Fuse box in engine compartment.
| Fuses | Amps | Circuits protected |
|---|---|---|
| FL1 | 175A | Alternator |
| FL2 | 80A | Power steering control unit |
| FL3 | 60A | Radiator fan control unit Radiator |
| FL4 | 110A | Fuse and relay box in engine compartment |
| FL5 | 40A | Secondary air pump |
| FL6 | Not used | |
| FL7 | Not used | |
| FL8 | Not used |
Fuse box in luggage compartment.
legend.
| Fuses | Amps | Circuits protected |
|---|---|---|
| 1 | 5 | Power supply control unit |
| 2 | 40 | Power supply control unit |
| 3 | not used | |
| 4 | 30 | Convertible roof Hydraulic pump, folding roof or not used |
| 5 | 5 | Parking assistance control unit Or Parking assistance control unit Special equipment |
| 6 | 15 | Fuel pump control unit |
| 7 | 40 | Power supply control unit |
| 8 | 20 | ABS control unit |
| 9 | 30 | Electronic damper control unit |
| 10 | 20 | Comfort system control unit Or Power supply control unit (10A also used) |
| 11 | 25 | Convertible roof or not used |
| 12 | 5 | Comfort system control unit or not used |
| 13 | not used | |
| 14 | not used | |
| 15 | not used |