Audi A3 2017 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is located behind a cover near the steering column.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | AdBlue engine components |
| 2 | Seat adjustment |
| 3 | Power top hydraulic pump |
| 4 | Infotainment control panel, Infotainment components |
| 5 | Gateway |
| 6 | Selector lever (automatic transmission) |
| 7 | Climate/heating control, auxiliary heating, rear window defogger relay |
| 8 | Electromechanical parking brake switch, light switch, rain/light sensor, interior lighting, anti-theft alarm system, diagnostic connector, communication box |
| 9 | Steering column switch module |
| 10 | Infotainment system display |
| 11 | Driver's side safety belt tensioner |
| 12 | Infotainment components |
| 13 | Suspension control module, diagnostic connector |
| 14 | Heating/air conditioning system blower |
| 15 | Electronic steering column lock |
| 16 | Infotainment components |
| 17 | Instrument cluster |
| 18 | Rearview camera |
| 19 | Convenience access control module |
| 20 | Engine components |
| 21 | Steering column, steering wheel heating switch module |
| 23 | Right vehicle electrical system control module |
| 24 | Panorama glass roof/power top control module, power top latch |
| 25 | Driver's side front/rear power windows |
| 26 | Seat heating |
| 27 | Sound-amplifier |
| 28 | Convertible top control module |
| 29 | Interior lights |
| 31 | Left vehicle electrical system control module |
| 32 | Rearview camera, radar sensor control module |
| 33 | Airbag |
| 34 | Button illumination, interior sound, reversing light switch, temperature sensor, coil for neck heating relay and socket relay |
| 35 | Function lighting, headlight range control, air quality sensor, automatic dimming rearview mirror |
| 36 | Right headlight |
| 37 | Left headlight |
| 38 | High-voltage battery |
| 39 | Passenger's side front/rear power windows |
| 40 | Sockets |
| 41 | Passenger's side safety belt tensioner |
| 42 | Central locking components windshield washer system |
| 43 | Interior lights |
| 44 | All wheel drive |
| 47 | Rear window wiper |
| 48 | Outer sound actuator |
| 49 | Starter, clutch sensor, high-voltage battery, power electronics |
| 53 | Rear window defogger |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Electronic Stabilization Control (ESC) |
| 2 | Electronic Stabilization Control (ESC) |
| 3 | Engine control module |
| 4 | Engine components, engine cooling, auxiliary heater coil relay (1+2), secondary air injection pump relay |
| 5 | Engine components, tank system |
| 6 | Brake light sensor |
| 7 | Engine components, water pumps |
| 8 | Heat oxygen sensor |
| 9 | Engine components, exhaust door, glow time control module |
| 10 | Fuel injectors, fuel control module |
| 11 | Auxiliary heater heating element2, engine components |
| 12 | Auxiliary heater heating element3 |
| 13 | Automatic transmission |
| 15 | Horn |
| 16 | Ignition coil, CNG cut-off valve, power and control electronics |
| 17 | Electronic Stabilization Control (ESC), engine control module |
| 18 | Terminal 30 (voltage reference), battery monitoring |
| 19 | Windshield wipers |
| 20 | Anti-theft alarm system |
| 22 | Terminal 50 diagnosis, engine control module |
| 23 | Starter |
| 24 | Auxiliary heater heating element 1, brake booster |
| 31 | Vacuum pump, water pump |
| 33 | Brake booster |
| 34 | Brake booster |
| 35 | A/C function relay |
| 37 | Parking heater |
