Audi Q3 F3 II (2021-2022) – fuse box
Audi Q3 F3 II – fuse box diagram
Year of production: 2020, 2021
The cigarette lighter fuse (power socket) on the Audi Q3 II is a 40 fuse in the fuse box in the passenger compartment.
Color and amps in fuses:
Black – 1
Gray – 2
Violet – 3
Pink – 4
Light Brown – 5
Brown – 7.5
Red – 10
Light Blue – 15
Yellow – 20
White or Transparent – 25
Light Green – 30
Sea – 35
Orange – 40.
Location of the fuse box
Passenger compartment
Engine compartment
Fuse box diagrams
2021
Engine compartment fuse box
Arrangement of fuses in the engine compartment
| Number | Description |
|---|---|
| 1 | – |
| 3 | Engine control module |
| 4 | Engine components;
Starting the engine. |
| 5 | Engine components |
| 6 | Brake light switch |
| 7 | Engine components |
| 8 | Heated oxygen sensors |
| 9 | Engine components |
| 10 | Fuel pump |
| 11 | – |
| 12 | – |
| 13 | Automatic Transmission;
Transmission fluid pump. |
| 14 | – |
| 15 | Horn |
| 16 | Engine components;
Engine electronics. |
| 17 | Stability Control (ESC);
Engine control module. |
| 18 | Battery control module;
CAN gateway. |
| 19 | Windshield wiper control module |
| 20 | Anti-theft alarm;
Garage door opening (Homelink). |
| 21 | Automatic gearbox |
| 22 | Engine control module |
| 23 | Engine start |
| 24 | – |
| 31 | Engine components;
Fuel injectors. |
| 33 | Transmission fluid pump |
| 35 | Air conditioning, heating and ventilation control system |
| 36 | Left headlight |
| 37 | Auxiliary heating |
| 38 | Right headlight |
Passenger compartment fuse box
Arrangement of fuses in the instrument panel
| Number | Description |
|---|---|
| 1 | Exhaust gas treatment, AdBlue |
| 2 | Front seat electronics |
| 4 | Volume control;
MMI Infotainment system control module. |
| 5 | CAN gate control module (diagnostics) |
| 6 | Ignition key safety lock;
Gear selector, automatic transmission. |
| 7 | Air conditioning, heating and ventilation control system;
Parking heating; Tire pressure monitoring. |
| 8 | Headlight range control;
Interior monitoring; Ambient lighting; Light switch; Ceiling control module; Emergency call system; Parking brake; Diagnostic connector; Light and rain sensor; Particulate sensor. |
| 9 | Steering column electronics |
| 10 | Volume control;
MMI Infotainment system control module. |
| 11 | Vehicle electrical system control module |
| 12 | MMI Infotainment system control module |
| 13 | Driver’s seat belt pretensioner;
Airbag module. |
| 14 | Air conditioning blower |
| 15 | Steering column lock |
| 16 | Audi Phonebox |
| 17 | Instrument cluster;
Emergency call system. |
| 18 | Rear view camera;
Peripheral cameras. |
| 19 | Opening, starting the vehicle (NFC) |
| 20 | Exhaust gas cleaning;
Instrument cluster. |
| 21 | Steering column electronics |
| 23 | – |
| 24 | Vehicle electrical system control module |
| 25 | Driver’s side door control module;
Left rear window adjuster motor; Left Rear Door Control Module. |
| 26 | Vehicle electrical system control module |
| 27 | Vehicle electrical system control module |
| 29 | Ceiling console module;
Vehicle electrical system control module. |
| t30 | Auxiliary battery control module |
| 31 | – |
| 32 | Driver assistance systems(parking system, side assistant, adaptive driving assistant, camera). |
| 33 | Ceiling console module;
Front passenger seat electronics. |
| 34 | Air conditioning components;
Parking brake; Reversing lamps; Internal sound generator. |
| 35 | Air conditioning components;
Diagnostic connector; Center console switch module; Rearview mirror; Headlight range adjustment; Dashboard lighting. |
| 39 | Right rear window regulator motor;
Front passenger door control module; Right rear door control module. |
| 40 | 12V sockets |
| 41 | Seat belt pretensioner on the passenger side |
| 42 | Vehicle electrical system control module |
| 43 | – |
| 44 | All-wheel drive control module (quattro) |
| 45 | Driver’s seat electronics |
| 47 | Rear window wiper |
| 48 | External sound |
| 49 | Clutch position sensor;
Engine start. |
| 50 | – |
| 52 | Suspension control |
| 53 | Rear window defogger |
| 54 | Left trailer hitch lamp |
| 55 | Tow bar (detection) |
| 56 | Right trailer hitch light |
| 57 | Trailer hitch socket |
Engine compartment fuse box
Arrangement of fuses in the engine compartment
| Number | Description |
|---|---|
| 1 | – |
| 3 | Engine control module |
| 4 | Engine components;
Starting the engine. |
| 5 | Engine components |
| 6 | Brake light switch |
| 7 | Engine components |
| 8 | Heated oxygen sensors |
| 9 | Engine components |
| 10 | Fuel pump |
| 11 | – |
| 12 | – |
| 13 | Automatic Transmission;
Transmission fluid pump. |
| 14 | – |
| 15 | Horn |
| 16 | Engine components;
Engine electronics; On-board charger; |
| 17 | Stability Control (ESC);
Engine control module. |
| 18 | Battery control module;
CAN gateway. |
| 19 | Windshield wiper control module |
| 20 | Anti-theft alarm;
Garage door opening (Homelink). |
| 21 | Automatic Transmission |
| 22 | Engine control module |
| 23 | Engine start |
| 24 | – |
| 31 | Engine components;
Fuel injectors; Electric drive system. |
| 33 | Brake servo |
| 35 | Air conditioning, heating and ventilation control system |
| 36 | Left headlight |
| 37 | Auxiliary heating |
| 38 | Right headlight |
Passenger compartment fuse box
Arrangement of fuses in the instrument panel
| Number | Description |
|---|---|
| 1 | Exhaust gas treatment, AdBlue |
| 2 | Front seat electronics |
| 4 | Volume control;
MMI Infotainment system control module. |
| 5 | CAN gate control module (diagnostics) |
| 6 | Ignition key safety lock;
Gear selector, automatic transmission. |
| 7 | Air conditioning, heating and ventilation control system;
Parking heating; Tire pressure monitoring. |
| 8 | Headlight range control;
Interior monitoring; Ambient lighting; Light switch; Ceiling control module; Emergency call system; Parking brake; Diagnostic connector; Light and rain sensor; Particulate sensor. |
| 9 | Steering column electronics |
| 10 | Volume control;
MMI Infotainment system control module. |
| 11 | Vehicle electrical system control module |
| 12 | MMI Infotainment system control module |
| 13 | Driver’s seat belt pretensioner;
Airbag module. |
| 14 | Air conditioning blower |
| 15 | Steering column lock |
| 16 | Audi Phonebox |
| 17 | Instrument cluster;
Emergency call system. |
| 18 | Rear view camera;
Peripheral cameras. |
| 19 | Opening, starting the vehicle (NFC) |
| 20 | Exhaust gas cleaning;
Fuel leakage monitoring. |
| 21 | Steering column electronics |
| 23 | – |
| 24 | Vehicle electrical system control module |
| 25 | Driver’s side door control module;
Left rear window adjuster motor; Left Rear Door Control Module. |
| 26 | Vehicle electrical system control module |
| 27 | Vehicle electrical system control module |
| 29 | Ceiling console module;
Vehicle electrical system control module. |
| 30 | 48V battery;
Electric drive system. |
| 31 | – |
| 32 | Driver assistance systems(parking system, side assistant, adaptive driving assistant, camera). |
| 33 | Ceiling console module;
Front passenger seat electronics. |
| 34 | Air conditioning components;
Parking brake; Reversing lamps; Internal sound generator. |
| 35 | Air quality sensor;
Diagnostic connector; Center console switch module; Rearview mirror; Headlight range adjustment; Dashboard lighting. |
| 39 | Right rear window regulator motor;
Front passenger door control module; Right rear door control module. |
| 40 | 12V sockets |
| 41 | Seat belt pretensioner on the passenger side |
| 42 | Vehicle electrical system control module |
| 43 | – |
| 44 | All-wheel drive control module (quattro) |
| 45 | Driver’s seat electronics |
| 47 | Rear window wiper |
| 48 | External sound |
| 49 | Clutch position sensor;
Engine start; Electric drive system. |
| 50 | – |
| 52 | Suspension control |
| 53 | Rear window defogger |
| 54 | Left trailer hitch lamp |
| 55 | Tow bar (detection) |
| 56 | Right trailer hitch light |
| 57 | Trailer hitch socket |