In this article we focus on the second-generation Audi TT (8J), produced from 2006 to 2014. Here you will find the Audi TT 2008, 2009, 2010, 2011, 2012, 2013 and 2014 fuse box outline, information on the location of the fuse boxes inside the car and the allocation of each fuse (fuse layout).
The fuses for the cigar lighter (socket) in the Audi TT are fuses #30 and #38 (from 2010) in the instrument panel fuse box.
Passenger Compartment Fuse Box
Fuse Box Location
The fuse block is located at the front left side of the cockpit.
Fuse Box Diagram
Assignment of the fuses on the left side of the dashboard
| № | Description | Amps |
|---|---|---|
| 1 | Engine relay, fuel tank control unit, Airbag Off light, light switch (switch illumination), diagnostic connector | 10 |
| 2 | ABS, ASR, ESP/ESC, brake light switch | 5 |
| 3 | AFS headlight (left) | 5 |
| 4 | Oil level sensor (extended maintenance interval) (WIV), tire pressure monitoring system, switch for Electronic Stability Program (ESP / ESC), AFS headlights (control unit), A/C system (pressure sensor), backup light switch | 5 |
| 5 | Automatic headlight range control, AFS headlight (right) / manual headlight range control, halogen headlights | 5/10 |
| 6 | Control unit for CAN data transfer (gateway), electromechanical steering, automatic transmission shift gate | 5 |
| 7 | Acoustic Park Assist, automatic dipping interior rear view mirror, garage door opener, heatable windshield washer nozzles, washer pump, wind deflector relay (Roadster) | 5 |
| 8 | Haldex clutch | 5/10 |
| 9 | Control unit Audi magnetic ride | 5 |
| 10 | Airbag control unit | 5 |
| 11 | Mass airflow sensor, crankcase heating | 5/10 |
| 12 | Door control unit (central locking driver/passen-ger) | 10 |
| 13 | Diagnostic connector | 10 |
| 14 | Rain sensor, automatic transmission shift gate | 5 |
| 15 | Roof light (interior lighting) | 5 |
| 16 | A/C system (control unit) | 10 |
| 17 | Tire pressure monitoring system (control unit) | 5 |
| 18 | Not used | – |
| 19 | Not used | – |
| 20 | Not used | – |
| 21 | Fuel injectors (gasoline engine) | 10 |
| 22 | Wind deflector (Roadster) | 30 |
| 23 | Horn | 20 |
| 24 | Transmission (control unit) | 15 |
| 25 | Heater rear window Coupe/heated rear window Roadster | 30/20 |
| 26 | Driver’s side power window | 30 |
| 27 | Passenger’s side power window | 30 |
| 28 | Not used | – |
| 29 | Washer pump | 15 |
| 30 | Cigarette lighter | 20 |
| 31 | Starter | 40 |
| 32 | Steering column module | 5 |
| 33 | Instrument cluster | 5 |
| 34 | Radio navigation system, radio | 15/20 |
| 35 | Audio amplifier | 30 |
| 36 | Engine (control unit) | 10 |
| 37 | CAN (Gateway) | 5 |
| 38 | 2008-2009: Not used; 2010-2014: Cigarette lighter | 20 |
| 39 | Not used | – |
| 40 | Not used | – |
| 41 | Not used | – |
| 42 | Not used | – |
| 43 | Not used | – |
| 44 | Not used | – |
| 45 | Not used | – |
| 46 | Not used | – |
| 47 | SDARS tuner, cell phone package, TV tuner | 5 |
| 48 | VDA interface | 5 |
| 49 | Not used | – |
Engine Compartment Fuse Box
Fuse Box Location
Fuse Box Diagram
Assignment of the underhood fuses
| № | Description | Amps |
|---|---|---|
| Fuse holder A (black) | ||
| A1 | Not used | – |
| A2 | Not used | – |
| A3 | Not used | – |
| A4 | Not used | – |
| A5 | Anti-theft warning system (sensor), anti-theft warning system (horn) | 5 |
| A6 | Headlamp washer system | 30 |
| A7 | Electric fuel pumps (supply) / Volume control valve / Interrelais (5-cyl.) | 15/10 |
| A8 | Windshield wipers | 30 |
| A9 | Heated seats (driver and passenger) | 25 |
| A10 | Lumbar support (driver and passenger) | 10 |
| A11 | Not used | |
| A12 | Ventilation blower | 40 |
| Fuse holder B (brown) | ||
| B1 | Fuel pump (6-cylinder) | 15 |
| B2 | O2 sensors (6-cylinder) / Electric fuel pump (5-cyl.) | 10/30 |
| B3 | Mass airflow sensor (6-cylinder) | 5 |
| B4 | O2 sensors (6-cylinder) | 10 |
| B5 | Relay coil relay volume control valve (4-cylinder) / O2 sensors (5-cyl.) | 5/10 |
| B6 | Secondary air pump valve (6-cylinder), O2 sensors (4-cyl., 5-cyl.) | 10 |
| B7 | Positioning valves pre-wired engine harness | 10 |
| B8 | Ignition coils (4-cyl., 5-cyl.)/ignition coils (6-cylinder) | 20/30 |
| B9 | Engine (control unit) | 25 |
| B10 | Water pump delayed-off | 10 |
| B11 | Feed (clutch pedal, brake pedal) | 5 |
| B12 | Activated charcoal filter/charge pressure control valve (4-cylinder) | 10 |
