
Audi A3 2011 Fuse Box Info
Passenger compartment fuse box location:

The instrument panel fuse box is located on the end of the instrument panel on the driver’s side of the vehicle.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 10A | Manual headlight beam adjustment, automatic headlight beam adjustment, AFS control module, engine components, light switch (switch lighting/illumination), diagnosis socket | 
| 2 | 10A | Automatic transmission, control module for CAN data transfer (gateway), electro-mechanical steering, shift gate automatic transmission engine relay, fuel tank control unit, engine control unit, brakes control (ABS), Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASR) | 
| 3 | 5A | Airbag | 
| 4 | 5A | Air-conditioning (pressure sensor, air quality sensor), button for Electronic Stabilization Program (ESP), Anti-Slip Regulation (ASRI), tire pressure monitor dysplay, oil level sensor, back-up light switch, front seat heating, parking aid, seat-occupancy recognition (on USA vehicles), garage door opener, automatic mirror dimming, headlight assistant, heated windshield washer nozzles, air conditioning (control module) | 
| 5 | 5A | AFS headlights (left side) | 
| 6 | 5A | AFS headlights (right side) | 
| 7 | - | Not used | 
| 8 | - | Not used | 
| 9 | 15A | Navigation system, radio system | 
| 10 | 7.5A | Digital radio, cell phone, TV equipment | 
| 11 | 10A | Automatic mirror dimming, headlight assistant | 
| 12 | 10A | Central locking (front doors) | 
| 13 | 10A | Central locking (rear doors) | 
| 14 | 10A | Electronic Stabilization Program (ESP) (control module), shift gate automatic transmission | 
| 15 | 10A | Interior lights, reading lights | 
| 16 | 10A | Diagnostic connector, rain sensor, air conditioning (control module), tire pressure monitor display (control module) | 
| 17 | 5A | Anti-theft alarm warning system | 
| 18 | 5A | Diagnose Starter | 
| 19 | 10A | All Wheel Drive | 
| 20 | - | Not used | 
| 21 | - | Not used | 
| 22 | 40A | Blower fan | 
| 23 | 30A | Driver's side power window, front | 
| 24 | 20A | Power outlet front | 
| 25 | 30A | Rear window defogger | 
| 26 | 20A | Power outlet in luggage compartment | 
| 27 | 15A | Fuel tank control module, fuel pump | 
| 28 | 30A | Power window, rear | 
| 29 | - | Not used | 
| 30 | - | Not used | 
| 31 | - | Not used | 
| 32 | - | Not used | 
| 33 | 20A | Sliding/pop-up roof | 
| 34 | - | Not used | 
| 35 | - | Not used | 
| 36 | 10A | Lumbar support | 
| 37 | 20A | Heated seats, front | 
| 38 | 30A | Passenger side power window, front | 
| 39 | 5A | Special function interface | 
| 40 | 40A | Starter | 
| 41 | 15A | Rear window wiper | 
| 42 | - | Not used | 
| 43 | 20A | Body control module | 
| 44 | - | Not used | 
| 45 | - | Not used | 
| 46 | - | Not used | 
| 47 | 5A | Cell phone package (VDA interface) | 
| 48 | - | Not used | 
| 49 | - | Not used | 
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 40A | Terminal 30 | 
| 2 | 20A | Engine components | 
| 3 | 5A | Battery voltage | 
| 4 | 20/30A | ESP valve, Anti-lock brake system (ABS) valves | 
| 5 | 15A | Transmission control module | 
| 6 | 5A | Steeling wheel electronics | 
| 7 | - | Not used | 
| 8 | - | Not used | 
| 9 | - | Not used | 
| 10 | 5/10A | Engine control module, main relay | 
| 11 | - | Not used | 
| 12 | 5A | Control module for CAN data transfer (gateway) | 
| 13 | 15/25A | Engine control module | 
| 14 | 20A | Ignition coils, engine components (diesel engine) | 
| 15 | 5/10A | Preheating control module/engine component, tank diagnosis, oxygen sensor | 
| 16 | 30A | Body control module (right) | 
| 17 | 15A | Horn | 
| 18 | 30A | Audio amplifier | 
| 19 | 30A | Front windshield wiper system | 
| 20 | 10/20A | Water pump, volume regulator valve | 
| 21 | 10A | Oxygen sensor, vacuum pump | 
| 22 | 5A | Clutch pedal switch, brake light switch | 
| 23 | 5/10/15A | Engine components, water pump | 
| 24 | 10A | Engine components, water pump | 
| 25 | 30/40A | Pump (ESP/ABS), ABS valve | 
| 26 | 30A | Body control module (left) | 
| 27 | 40A | Secondary air pump, preheating control module | 
| 28 | - | Not used | 
| 29 | 50A | Fuse assignment in the left-side instrument panel (special equipment) | 
| 30 | 50A | Power supply relay terminal 15 | 





