Audi A3 (2008) – fuse box diagram
Year of production: 2008
Instrument panel
| Number | Equipment | Ampere rating [A] |
| 1 | Engine components (I), manual headlight beam adjustment, automatic headlight beam adjustment, AFS control module, engine components (II), light switch (switch lighting/illumination), diagnosis socket | 10 |
| 2 | All Wheel Drive, automatic transmission, control module for CAN data transfer (gateway), electromechanical steering, shift gate automatic transmission, engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Eleclltronic Stabilization Program (ESP), Anti-Slip Regulation (ASRl, brake light switch | 10 |
| 3 | Airbag | 5 |
| 4 | Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASRI, oil level sensor (WIVl, back-up light switch, front seat heating, Seat-occupancy recognition (on USA vehicles), navigation, garage door opener, automatic mirror dimming, Heated windshield washer nozzles,air conditioning (control module | 5 |
| 5 | AFS headlights (left side) | 5 |
| 6 | AFS headlights (right side) | 5 |
| 7 | — | — |
| 8 | — | — |
| 9 | — | — |
| 10 | — | — |
| 11 | — | — |
| 12 | Central locking (front doors) | 10 |
| 13 | Central locking (rear doors), convenience electronics (control module) | 10 |
| 14 | Electronic Stabilization Program (ESP) (control module), automatic transmission (control modulel, shift gate automatic transmission | 10 |
| 15 | Interior lights, reading lights | 10 |
| 16 | Diagnostic connector, rain sensor, air conditioning (control module) | 10 |
| 17 | Anti -theft alarm warning system | 5 |
| 18 | Diag starter | 5 |
| 19 | — | — |
| 20 | — | — |
| 21 | — | — |
| 22 | Air conditioning (blower fan) | 40 |
| 23 | Driver’s side power window, front | 30 |
| 24 | Cigarette lighter | 20 |
| 25 | Rear window defogger | 30 |
| 26 | Power outlet in luggage compartment | 20 |
| 27 | Fuel tank control module, fuel pump | 15 |
| 28 | Power window , rear | 30 |
| 29 | — | — |
| 30 | Automatic transmission | 20 |
| 31 | Automatic transmission (vacuum pump) | 20 |
| 32 | — | — |
| 33 | Sliding/pop-up roof | 20 |
| 34 | — | — |
| 35 | — | — |
| 36 | Lumbar support | 10 |
| 37 | Heated seats, front | 20 |
| 38 | Passenger side power window, front | 30 |
| 39 | — | — |
| 40 | Heating (blower fan) | 40 |
| 41 | Rear window wiper | 15 |
| 42 | Windshield wiper (washer pump) | 15 |
| 43 | Convenience electronics (control module) | 20 |
| 44 | Trailer control module | 20 |
| 45 | Trailer control module | 15 |
| 46 | — | — |
| 47 | Cell phone package (VDA interface) | 5 |
| 48 | — | — |
| 49 | — | — |
Engine compartment
Variation (1) with 30 Plug-in Fuses
| Number | Equipment | Ampere rating [A] |
| F1 | — | — |
| F2 | Steering wheel electronics | 5 |
| F3 | Battery voltage | 5 |
| F4 | Anti -lock brake 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, cell phone, TV equipment | 5 |
| F10 | Engine control module, main relay | 5 |
| 10 | ||
| F11 | — | — |
| F12 | Control module for CAN data transfer (gateway) | 5 |
| F13 | Engine control module | 15 |
| 25 | ||
| F14 | Ignition coils | 20 |
| F15 | Tank diagnosis, oxygen sensor | 10 |
| 15 | ||
| F16 | Ant i-lock brake system (ABS) pump | 30 |
| F17 | Horn | 15 |
| F18 | Audio amplifier | 30 |
| F19 | Front windshield wiper system | 30 |
| F20 | Volume regulator 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-side lighting (elect rical system control unit) | 30 |
| F26 | Left-side light ing (electric system control un it! | 30 |
| F27 | Secondary air pump | 40 |
| F28 | Power supply relay term inal 15 | 40 |
| F29 | Fuse assignment in the left-side instrument panel (special equipment) | 50 |
| F30 | Power supply relay terminal 75 | 50 |
Variation (2) with 54 Plug-in Fuses
| Number | Equipment | Ampere rating [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 catalytic converter | 10 |
| F12 | Oxygen sensors, behind catalytic converter | 10 |
| F13 | Automatic transmission | 15 |
| F14 | — | — |
| F15 | Water return-flow pump | 10 |
| F16 | Steer ing wheel electronics | 5 |
| F17 | Instrument cluster module | 5 |
| F18 | Audio amplifier | 30 |
| F19 | Navigation system, radio system | 15 |
| 25 | ||
| F20 | Navigation system, digital radio, cell phone, TV equipment | 5 |
| F21 | — | — |
| F22 | — | — |
| F23 | Engine control modu le, main relay | 10 |
| F24 | Control module for CAN data transfer (gateway) | 5 |
| F25 | — | — |
| F26 | — | — |
| F27 | — | — |
| F28 | Engine control module | 15 |
| F29 | Engine relays, eng ine components | 5 |
| F30 | — | — |
| F31 | Front 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 | Power supply engine relay | 5 |
| F43 | Ignition coils | 30 |
| F44 | — | — |
| F45 | — | — |
| F46 | — | — |
| F47 | Left-side lighting (electric system control unit) | 30 |
| F48 | Right-side light ing (electrical system control unit | 30 |
| F49 | Power supply relay termina l 15 | 40 |
| F50 | — | — |
| F51 | Secondary air pump | 40 |
| F52 | Power supply relay terminal 75 | 50 |
| F53 | Fuse assignment in the left-side instrument panel (special equipment) | 50 |
| F54 | — | — |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.