
Audi Q3 2018 Fuse Box Info
Passenger compartment fuse box location:

The instrument panel fuse box is located below the steering wheel, behind the cover.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | LED headlight (left) |
| 2 | LED headlight (right) |
| 5 | LED headlight (left) |
| 6 | LED headlight (right) |
| 7 | Steering lock |
| 8 | Convenience access control module |
| 9 | Airbag control unit, AIRBAG OFF indicator light |
| 12 | Transmission control module, selector mechanism |
| 13 | Air quality sensor for climate control system, heated window washer nozzles, P button, reverse light, oil level sensor, climate control system, seat occupant detection system, seat heating, buttons in the center console, automatic dimming mirror |
| 14 | Engine control module, quattro control module, transmission control module, brake lights, electromechanical steering, Gateway control module, trailer hitch control module, ESC control module, light switch, damping control module |
| 15 | Headlight range control module, instrument illumination, headlights (left, right), diagnostic connector, crankcase housing heater, air flow sensor, socket relay, DC/DC converter |
| 16 | Parking aid |
| 17 | Parking system rearview camera |
| 18 | TV tuner |
| 19 | Engine starter control, DC/DC converter |
| 20 | ESC control module, climate/heating control, special functions interface |
| 21 | Selector mechanism power supply |
| 22 | Interior monitoring |
| 23 | P button, front interior lighting buttons, diagnostic connector, light switch, light/rain sensor, humidity sensor, emergency call system |
| 25 | Headlight power supply |
| 26 | Rear window wiper |
| 27 | Starter system |
| 28 | Infotainment system |
| 29 | Supply for the parking system rearview camera and TV tuner |
| 30 | Infotainment system |
| 31 | Infotainment system |
| 32 | Instrument cluster |
| 33 | Automatic dimming rearview mirror |
| 36 | Cigarette lighter, cockpit/luggage compartment socket |
| 37 | Cockpit/rear socket |
| 38 | Transmission control module |
| 40 | Trailer hitch control module |
| 41 | Trailer hitch control module |
| 42 | Trailer hitch control module |
| 44 | Rear window defogger |
| 45 | Electromechanical parking brake control module |
| 46 | Trailer hitch control module |
| 47 | quattro control module |
| 48 | Automatic luggage compartment lid control module |
| 50 | Blower |
| 51 | Electromechanical parking brake control module |
| 52 | BCM |
| 53 | Front seat heating |
| 54 | Panorama glass roof |
| 55 | Sun shade on the panorama glass roof |
| 56 | Adaptive dampers control module |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| 1 | Transmission supply |
| 2 | ESC |
| 3 | Horn |
| 4 | DC/DC converter |
| 5 | BCM, battery data module |
| 6 | BCM (right) |
| 7 | Washer fluid pump |
| 8 | BCM (left) |
| 9 | Seat adjustment lumbar support |
| 10 | Glow time control module, fuel pump, heat oxygen sensor |
| 11 | Steering column lever, multifunction steering wheel controls |
| 12 | Cell phone adapter |
| 13 | Engine control module |
| 14 | Engine control module |
| 15 | Gateway |
| 16 | Heated oxygen sensor, fuel pump, engine components |
| 17 | Engine components |
| 18 | Fuel pump control module |
| 19 | Sound amplifier, DC/DC converter |
| 20 | Clutch pedal sensor, brake light sensor |
| 22 | Windshield wipers |
| 23 | Radiator fan, engine components, coolant recirculation pump, auxiliary heater, fuel pump relay coils |
| 24 | Ignition coils |
| 25 | Driver’s door control module (central locking, window regulators) |
| 26 | Front passenger’s door control module (central locking, window regulators) |
| 27 | Terminal 15 supply |
| 29 | Power seat adjustment (driver, front passenger) |
| 30 | ESC |





