Audi A3 8P (2003-2013) – fuse box
Audi A3 8P (2003-2013) – fuse box diagram
Year of production: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013.
The cigarette lighter fuse (power socket) on the Audi A3 8P (2003-2013) is fuse 24 in the fuse box on the dashboard.
The Audi A3 8P (2003-2013) has 2 fuse slots. One is on the driver’s side of the dashboard and the other is in the engine compartment.
 Driver’s side fuse box on dashboard
To access the fuse box located on the driver’s side of the dashboard, open the driver’s door and remove the fuse cover from the dashboard using the ignition key or a screwdriver.
Audi A3 8P fuse box diagram – driver’s side in dashboard
| Number | Description | Amperes [A] |
| 1 | Engine components (I);
Manual adjustment of headlights; Automatic light adjustment; AFS control module; Engine components (II); Light switch (light switch); Diagnostic socket. |
10 |
| 2 | All-wheel drive;
Automatic Transmission; CAN data transmission control module (gateway); Electromechanical control; Automatic gearbox with shift gate; Engine relay; Fuel tank controller; Motor controller; Brake control (ABS); Electronic Stability Program (ESP); Anti-skid regulation (ASRL) Brake light switch. |
10 |
| 3 | Airbag | 5 |
| 4 | Air conditioning (pressure sensor, air quality sensor);
Electronic Stability Program (ESP) button; Anti-skid regulation (ASRI); Oil Level Sensor (WIV); Reverse light switch; Front seat heating; Seat occupancy recognition; Navigation; Garage door opening; Automatic dimming mirrors; Heated windscreen washer nozzles; Air conditioning (control module). |
5 |
| 5 | AFS headlamps (left side) | 5 |
| 6 | AFS headlights (right side) | 5 |
| 7 | – | – |
| 8 | – | – |
| 9 | – | – |
| 10 | – | – |
| 11 | – | – |
| 12 | Central locking (front door) | 10 |
| 13 | Central locking (rear door);
Convenient electronics (control module). |
10 |
| 14 | Electronic Stability Program (ESP) (Control Unit);
Automatic gearbox (control module, automatic gearbox with shift gate) |
10 |
| 15 | Interior lighting;Reading lamps. | 10 |
| 16 | Diagnostic connector;Rain sensor;
Air conditioning (control module). |
10 |
| 17 | Theft Alert System | 5 |
| 18 | Diag starter | 5 |
| 19 | – | – |
| 20 | – | – |
| 21 | – | – |
| 22 | Air conditioning (blower) | 40 |
| 23 | Windshield on the driver’s side | 30 |
| 24 | Lighter | 20 |
| 25 | Rear window defogger | 30 |
| 26 | Electric socket in the luggage compartment | 20 |
| 27 | Fuel tank control module;
Fuel pump. |
15 |
| 28 | Electric window – rear | 30 |
| 29 | – | – |
| 30 | Automatic gearbox | 20 |
| 31 | Automatic gearbox (vacuum pump) | 20 |
| 32 | – | – |
| 33 | Sliding / lifting roof | 20 |
| 34 | – | – |
| 35 | – | – |
| 36 | Lumbar support | 10 |
| 37 | Heated front seats | 20 |
| 38 | Passenger’s side windshield | 30 |
| 39 | – | – |
| 40 | Heating (blower) | 40 |
| 41 | Rear window wiper | 15 |
| 42 | Windshield wiper (washer pump) | 15 |
| 43 | Convenient electronics (control module) | 20 |
| 44 | Trailer control module | 20 |
| 45 | Trailer control module | 15 |
| 46 | – | – |
| 47 | Mobile phone package (VDA interface) | 5 |
| 48 | – | – |
| 49 | – | – |
2- Fuse box in engine compartment – left side
To access the fuse box located in the engine compartment, unlock the fuse cover, push the two sliders forward.
Audi A3 8P Fuse Box Diagram – Engine Compartment – Left Side
Check your car’s fuse system, there are two different layouts. Check the fuse arrangement with the fuse panel cover removed.
Some of the listed features are optional or only available on certain model configurations.
Variant (1) with 30 plug-in fuses
| Number | Description | Amperes [A] |
| F1 | – | – |
| F2 | Steering electronics | 5 |
| F3 | Battery voltage | 5 |
| F4 | Anti-lock Braking System (ABS) Valves | 30 |
| F5 | Transmission control module | 15 |
| F6 | Instrument cluster module | 5 |
| F7 | Transmission control module | 30 |
| F8 | Navigation system;
Radio system. |
15 |
| 25 | ||
| F9 | Navigation system;
Digital radio; Mobile phone; Television equipment. |
5 |
| F10 | Engine control module;
Main relay. |
5 |
| 10 | ||
| F11 | – | – |
| F12 | Control module for CAN data transmission (gateway) | 5 |
| F13 | Engine control module | 15 |
| 25 | ||
| F14 | Ignition coils | 20 |
| F15 | Tank diagnostics;
Oxygen sensor. |
10 |
| 15 | ||
| F 16 | Anti-lock brake system (ABS) pump | 30 |
| F17 | Horn | 15 |
| F18 | Sound amplifier | 30 |
| F19 | Windshield wiper system | 30 |
| F20 | Volume regulating valve | 20 |
| F21 | Oxygen sensor | 10 |
| F22 | Clutch pedal switch;
Brake light switch. |
5 |
| F23 | Engine relays, engine components | 5 |
| 10 | ||
| 15 | ||
| F24 | Engine components | 10 |
| F25 | Right-hand lighting (electrical control unit) | 30 |
| F26 | Left-hand lighting (electrical control) | 30 |
| F27 | Secondary air pump | 40 |
| F28 | Inal power relay terminal 15 | 40 |
| F29 | Arrangement of fuses in the left-hand instrument panel(special equipment). | 50 |
| F30 | Power relay terminal 75 | 50 |
Version (2) with 54 plug-in fuses
| Number | Description | Amperes [A] |
| F1 | Anti-lock brake system (ABS) pump | 30 |
| F2 | Anti-lock brake system (ABS) pump | 30 |
| F3 | – | – |
| F4 | Battery voltage | 5 |
| F5 | Horn | 15 |
| F6 | Volume control valve;Fuel pump. | 15 |
| F7 | – | – |
| F8 | – | – |
| F9 | Engine components | 10 |
| F10 | Fuel tank control;
Mass air flow sensor. |
10 |
| F11 | Oxygen sensors in front of the catalytic converter | 10 |
| F12 | Oxygen sensors, behind the catalytic converter | 10 |
| F13 | Automatic gearbox | 15 |
| F14 | – | – |
| F15 | Water return pump | 10 |
| F 16 | Steering electronics | 5 |
| F17 | Instrument cluster module | 5 |
| F18 | Sound amplifier | 30 |
| F19 | Navigation system, radio system | 15 |
| 25 | ||
| F20 | Navigation system;
Digital radio; Mobile phone; Television equipment. |
5 |
| F21 | – | – |
| F22 | – | – |
| F23 | Engine control module, main relay | 10 |
| F24 | Control module for CAN data transmission (gateway) | 5 |
| F25 | – | – |
| F26 | – | – |
| F27 | – | – |
| F28 | Engine control module | 15 |
| F29 | Engine relays, mechanical components | 5 |
| F30 | – | – |
| F31 | Windshield wiper system | 30 |
| F32 | – | – |
| F33 | – | – |
| F34 | – | – |
| F35 | – | – |
| F36 | – | – |
| F37 | – | – |
| F38 | Engine components | 10 |
| F39 | Clutch pedal switch;
Brake light switch. |
5 |
| F40 | Ignition coils | |
| F41 | – | – |
| F42 | Engine power relay | 5 |
| F43 | Ignition coils | 30 |
| F44 | – | – |
| F45 | – | – |
| F46 | – | – |
| F47 | Left-hand lighting (electrical control unit) | 30 |
| F48 | Right-hand lighting (electrical control unit | 30 |
| F49 | Mains relay terminal l 15 | 40 |
| F50 | – | – |
| F51 | Secondary air pump | 40 |
| F52 | Power relay terminal 75 | 50 |
| F53 | Arrangement of fuses in the left-hand instrument panel(special equipment). | 50 |
| F54 | – | – |
This applies to models:
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 and 2013 – Audi A3 8P Petrol (1.6, 1.8 and 2.0 TFSI, 3.2 V6) and Diesel (1.6, 1.9 and 2.0 TDI), S3.