This article focuses on the first-generation Audi Q3 (8U), produced from 2011 to 2017. Here you will find the Audi Q3 2011, 2012, 2013, 2014, 2015, 2016 and 2017 fuse box outline, information on the location of the fuse boxes inside the car and the allocation of each fuse (fuse layout) and relay.
The fuses for the cigar lighter (socket) in the Audi Q3 are fuses №36 and 37 in the instrument panel fuse box.
Instrument panel fuse box
Fuse Box Location
The fuses are located behind the storage compartment.
Open the storage compartment, press in on the left and right brackets and pivot the compartment all the way down.
Fuse Box Diagram
Assignment of the fuses in the instrument panel
| № | Amps | Function / component |
|---|---|---|
| 1 | 10A | Left LED headlight control unit 1 |
| 2 | 10A | Right LED headlight control unit 1 |
| 3 | 5A | Glove box light switch Vanity mirror contact switch, driver’s side Vanity mirror contact switch, passenger side Glove box light Vanity mirror light, passenger side Vanity mirror light, passenger side driver Front roof module (2011-2014) |
| 4 | 5A | Front camera for driver assistance systems |
| 5 | 10A | 2011-2013: Power module for left headlight |
| 5 | 5A | 2014-2017: Power module for left headlight |
| 6 | 10A | 2011-2013: Power module for right headlight |
| 6 | 5A | 2014-2017: Power module for right headlight |
| 7 | 7.5A | Control unit el. steering column lock |
| 8 | 7.5A | Entry and start authorization control unit |
| 9 | 5A | Front passenger airbag deactivation warning lamp Airbag control unit |
| 10 | 10A | 2011-2013: Four-wheel drive control unit |
| 11 | – | – |
| 12 | 5A | Mechatronic unit for dual clutch gearbox Selector lever sensor control unit |
| 13 | 5A | Oil level and oil temperature sender Start / stop button ASR and ESP button Reversing light switch High pressure sender Air quality sender Climatronic control unit Control unit conditioner unit relay 1 power relay 2 power The control lamp for aUTO HOLD Button for aUTO HOLD Interior rear-view mirror with automatic anti-dazzle Rearview mirror heating Left injector resistor Right injector heating resistor Seat occupied recognition control unit |
| 14 | 7.5A | Starter relay 1 Starter relay 2 |
| 14 | 7.5A | Light switch Brake light switch Brake pedal sender Engine control unit Trailer detector control unit Electronic damping control unit ABS control unit Power steering control unit Data bus diagnostic interface Terminal 15 supply relay 2 |
| 15 | 10A | Crankcase ventilation heater (diesel) Air mass meter (petrol) |
| 15 | 10A | Control unit for headlight range control Voltage stabilizer Interior mirror relay with automatic dimming Electromechanical parking brake control unit Control unit for headlight range control and headlight range control Socket relay Connector, 16-pin (diagnostic socket) Headlight range control adjuster Left headlight range control motor Right headlight range control motor |
| 16 | 5A | Parking aid control unit Lane change assist control unit Control unit 2 for lane change assist |
| 17 | 5A | Reversing camera control unit |
| 18 | 5A | Radio TV tuner Internet access control unit Chip card reader control unit |
| 19 | 5A | Onboard supply control unit Voltage stabilizer Engine control unit |
| 20 | 5A | ABS control unit Air conditioning control unit Climatronic control unit Interface control unit for vehicle positioning system |
| 21 | – | – |
| 22 | 10A | Interior sensor Hazard warning system |
| 23 | 10A | Light switch Rain and light sensor Electromechanical parking brake warning lamp 16-pin connector (diagnostic connector) Front roof module |
| 24 | 10A | Relay for additive dosing system |
| 25 | 20A | Fuse 4 on fuse holder C Fuse 5 on fuse holder C Fuse 6 on fuse holder C |
| 26 | 15A | Rear window wiper motor |
| 27 | 30A/40A | Starter relay 1 Starter relay 2 |
| 28 | 15A | Information electronics control unit 1 Radio (only for vehicles with radio) |
| 28 | 7.5A | Information electronics control unit 1 (only for vehicles with MMI) |
| 29 | 15A | Fuse 18 on fuse holder C Fuse 17 on fuse holder C |
| 30 | 5A | CD change |
| 31 | 5A | Display for dash panel insert |
| 32 | 5A | Control unit in dash panel insert |
| 33 | 10A | Relay for interior rearview mirror with automatic anti-dazzle function |
| 34 | 10A | Rear left door control unit (central locking, rear left door) Rear right door control unit (central locking, rear right door) (up to October 2012) |
| 35 | 10A | Driver door control unit (central locking, front left door) Front passenger door control unit (central locking, front right door) (up to October 2012) |
| 36 | 20A | Socket Cigar lighter |
| 37 | 20A | 12V socket 2 12V socket |
| 38 | 15A | Power supply relay 2 |
| 39 | – | – |
| 40 | 15A | Trailer detection control unit |
| 41 | 20A | Trailer detection control unit |
| 42 | 20A | Trailer detection control unit |
| 43 | 20A | Headlamp cleaning relay Headlight cleaning pump |
| 44 | 30A | Heated rear window relay Heated rear window |
| 45 | 20A | Electromechanical parking brake control unit |
| 46 | 20A/30A | 2011-2012: Rear left door control unit Rear right door control unit (up to October 2012) 2014-2017: Relay for trailer voltage supply |
| 47 | 15A’30A | 2011-2012: Driver door control unit 2013: Four-wheel drive control unit |
| 48 | 30A | 2011-2012: Front passenger door control unit |
| 49 | 25A | Fuel pump relay Fuel pump control unit (only for vehicles with petrol engine) |
| 50 | 40A | X-terminal unloading relay Fresh air blower control unit Fresh air blower |
| 51 | 20A | Electromechanical parking brake control unit |
| 52 | 20A | Onboard supply control unit (footwell lighting, terminal 30G, terminal 58d, luggage compartment lighting) Hazard warning lamp Fuel pump relay |
| 53 | 30A | Climatronic control unit (Heated front seat with automatic air conditioning) Control unit for heated front seat (Heated front seat with manual climate control) |
| 54 | 20A | Sliding sunroof control unit |
| 55 | 20A | Sunroof blind control unit |
| 56 | 20A | Electronic damping control control unit |
| 57 | 10A | Special vehicle control unit (only for vehicles with driving aids) |
| 57 | 10A | Power supply relay 1 (only for vehicles for driving schools) |
| 58 | 5A | Power supply relay 2 (only for driving school vehicles) |
| 59 | – | – |
| 60 | – | – |
Thermal fuse box
| № | Protected components |
|---|---|
| 1 | Thermal fuse 1 for driver’s seat adjustment |
| 2 | Thermal fuse 1 for front passenger seat adjustment |
| 3 | Fuse for trailer terminal 30 |
Relay box
| № | Description |
|---|---|
| 1 | Terminal 15 voltage supply relay |
| 2 | Horn relay |
| 3 | Socket relay |
| 4 | X contact relief relay |
| 5 | Relay for auxiliary coolant pump (petrol) Fuel pump relay (diesel) |
| 7 | Relay for dimming rearview mirror Voltage supply relay 2, terminal 15 Headlight washer relay |
| 8 | Trailer voltage supply relay |
| 9 | Starter relay 1 Starter relay 2 |
Relay box on the onboard supply control unit
| № | Description |
|---|---|
| 1 | High heat output relay |
| 2 | Low heat output relay |
| 3 | – |
| 4 | Relay for additive dosing system |
| 5 | Voltage supply relay 1 Voltage supply relay 2 |
