The first-generation Audi Q3 (8U), manufactured from 2011 to 2017, provide details on the placement of fuse panels inside the vehicle, as well as information about the purpose of each fuse and relay. This resource helps Audi Q3 owners understand how to locate and manage their vehicle’s electrical components effectively.
Table of Contents
Cigar lighter (power outlet) fuses in the Audi Q3 are the fuses №36 and 37 in the Instrument panel fuse box.
Engine compartment
Type 1
| Fuse Number | Fuse Amps | Function / component |
|---|---|---|
| F1 | 40A | Voltage stabilizer Fuse supply -SC28- to -SC33- (only for vehicles with start / stop system) |
| F2 | 10A | Electric lumbar support adjustment Button for lumbar support for driver’s seat Motor for longitudinal adjustment of lumbar support for driver’s seat Motor for lumbar support for driver’s seat height Switch for lumbar support for front passenger seat Motor for longitudinal adjustment of front seat passenger side Motor for lumbar support, front passenger seat height |
| F3 | 5A | Onboard supply control unit Battery monitor control unit |
| F4 | 30A | ABS control unit (MK60 valves) |
| F5 | 15A | Mechatronic unit for dual clutch gearbox Selector lever sensor control unit |
| F6 | 5A | Steering column control unit |
| F7 | 30A | Onboard supply control unit (left turn signal, left dipped beam, left main beam, left fog lamp, right headlight for adaptive lighting, front right parking light, right daytime running light, rear left parking light, right brake light , right fog light) |
| F8 | 20A | Windscreen and rear window washer pump Rear window wiper motor Central locking for rear right and left doors, fuel filler flap, rear window lock |
| F9 | 5A | Mobile phone amplifier Telephone holder |
| F10 | 5A | Terminal 30 supply relay Engine control unit (only for models with diesel engine) |
| F10 | 10A | Main relay Engine control unit (only for models with petrol engine) |
| F11 | – | – |
| F12 | 5A | Data bus diagnostic interface |
| F13 | 25A/30A | Engine control unit |
| F14 | 20A | Diesel: Fuel pressure regulating valve Fuel metering valve Petrol: Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition coil 3 with output stage Ignition coil 4 with output stage |
| F15 | 5A | Diesel: Glow plug control unit |
| F15 | 10A | Petrol: Lambda probe heater Lambda probe 1 heater after catalytic converter |
| F16 | 30A | Onboard supply control unit (right turn signal, right dipped beam, right main beam, right fog lamp, left headlight for adaptive lighting, front left parking light, left daytime running light, rear right parking light, left brake light , right reversing light, license plate light, left fog light) |
| F17 | 15A | Horn relay High tone signal Low tone signal |
| F18 | 30A | Information electronics control unit 1 Radio Voltage stabilizer Digital sound system control unit |
| F19 | 30A | Wiper motor control unit |
| F20 | 20A | Petrol: Fuel pressure regulating valve |
| F21 | 10A | Diesel: Lambda probe heater |
| F21 | 25A | Petrol: Fuel pressure regulating valve |
| F22 | 5A | Clutch pedal position sender |
| F23 | 10A | Diesel: Charge pressure control solenoid valve Exhaust gas recirculation cooler changeover valve Air mass meter |
| F24 | 10A | Diesel: Fuel pump relay Radiator fan control unit Low heat output relay High heat output relay Exhaust gas recirculation cooler pump Petrol: Relay for additional coolant pump Radiator fan control unit Engine power supply relay Charge pressure control solenoid valve Canister solenoid valve 1 Camshaft timing valve 1 Turbocharger bypass valve Intake manifold flap valve Oil pressure regulating valve |
| F25 | 40A | ABS control unit (MK60 ESP pump) |
| F26 | 30A | Fuse 34 on fuse holder C Fuse 35 on fuse holder C |
| F27 | 50A | Diesel: Glow plug control unit Glow plugs 1~4 |
| F28 | 50A | Fuse for trailer terminal 30 (Australia only) |
| F29 | 30A | Thermal fuse 1 for driver’s seat adjustment mechanism Thermal fuse 1 for front passenger’s seat adjustment mechanism |
| F30 | 50A | Terminal 15 supply relay Fuse supply: -SC9- bis -SC16-, -SC25-, -SC26-, -SC27- |
| A1 | Main relay Terminal 30 voltage supply relay | |
| A2 | Relay for voltage supply for engine electronics Jumper, glow plug control unit |
Type 2
| Fuse Number | Fuse Amps | Function / component |
|---|---|---|
| F1 | 15A | Mechatronic unit for dual clutch gearbox Selector lever |
| F2 | 30A/40A | ABS control unit (MK60 valves) |
| F3 | 15A | Horn relay High tone signal Low tone signal |
| F4 | 40A | Voltage stabilizer Fuse supply -SC28- to -SC33- (only for vehicles with start / stop system) |
| F5 | 5A | Onboard supply control unit Battery monitor control unit |
| F6 | 30A | Onboard supply control unit (right turn signal, right dipped beam, right main beam, right fog lamp, left headlight for adaptive lighting, front left parking light, left daytime running light, rear right parking light, left brake light, right reversing light, license plate light, left fog light) |
| F7 | 20A | Front and rear windscreen washer pump |
| F8 | 30A | Onboard supply control unit (left turn signal, left dipped beam, left main beam, left fog lamp, right headlight for adaptive lighting, front right parking light, right daytime running light, rear left parking light, right brake light, right fog light) |
| F9 | 10A | Electric lumbar support adjustment Button for lumbar support for driver’s seat Motor for longitudinal adjustment of lumbar support for driver’s seat Motor for lumbar support for driver’s seat height Switch for lumbar support for front passenger seat Motor for longitudinal adjustment of front seat passenger side Motor for lumbar support, front passenger seat height |
| F10 | 5A | Diesel: Glow plug control unit |
| F10 | 10A | Petrol: Lambda probe heater Lambda probe 1 heater after catalytic converter |
| F11 | 5A | Steering column control unit |
| F12 | 5A | Mobile phone amplifier Telephone holder |
| F13 | 5A | Diesel: Terminal 30 supply relay Engine control unit |
| F13 | 5A/10A | Petrol: Main relay Engine control unit |
| F14 | 30A | Diesel: Engine control unit |
| F14 | 15A/25A | Petrol: Engine control unit |
| F15 | 5A | Data bus diagnostic interface |
| F16 | 10A | Diesel: Charge pressure control solenoid valve Exhaust gas recirculation cooler changeover valve Air mass meter Petrol: Relay for additional coolant pump Coolant circuit solenoid valve Coolant circulation pump |
| F17 | 20A | Petrol (not 2.5L): Fuel pressure regulating valve |
| F17 | 10A | Petrol (2.5L): Fuel metering valve |
| F18 | 10A | Diesel: Lambda probe heater |
| F18 | 25A | Petrol: Fuel pressure regulating valve |
| F19 | 30A | Information electronics control unit 1 Radio Voltage stabilizer Digital sound system control unit |
| F20 | 5A | Clutch pedal position sender |
| F21 | 40A | Reducing agent heating control unit |
| F22 | 40A | Wiper motor control unit |
| F23 | 10A | Diesel: Fuel pump relay Radiator fan control unit Low heat output relay High heat output relay Exhaust gas recirculation cooler pump Petrol (not 2.5L): Relay for additional coolant pump Radiator fan control unit Engine power supply relay Charge pressure control solenoid valve Canister solenoid valve 1 Camshaft timing valve 1 Turbocharger bypass valve Intake manifold flap valve Oil pressure regulating valve Petrol (2.5L): Radiator fan control unit Engine power supply relay Exhaust gas flap block Charge pressure control solenoid valve Canister solenoid valve 1 Turbocharger bypass valve Intake manifold flap valve |
| F24 | 10A/20A | Diesel: Fuel pressure regulating valve Fuel metering valve Petrol (not 2.5L): Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition coil 3 with output stage Ignition coil 4 with output stage Petrol (2.5L): Camshaft timing valve 1 Exhaust camshaft timing valve 1 Oil pressure regulating valve |
| F25 | 30A | Driver door control unit Rear left door control unit |
| F26 | 30A | Front passenger door control unit Rear right door control unit |
| F27 | 40A/50A | Terminal 15 supply relay Fuse supply: -SC9- bis -SC16-, -SC25-, -SC26-, -SC27- |
| F28 | 5A | Diesel: Glow plug control unit Glow plugs 1~4 |
| F28 | 30A | Petrol (2.5L): Ignition coil 1 with output stage Ignition coil 2 with output stage Ignition coil 3 with output stage Ignition coil 4 with output stage Ignition coil 5 with output stage |
| F29 | 30A | Thermal fuse 1 for driver’s seat adjustment mechanism Thermal fuse 1 for front passenger’s seat adjustment mechanism |
| F30 | 40A | ABS control unit (MK60 ESP pump) |
| A1 | Relay for voltage supply for engine electronics Jumper, glow plug control unit | |
| A2 | Main relay Terminal 30 voltage supply relay |
Instrument panel
| Fuse Number | Fuse 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
| Fuse Number | 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
| Fuse Number | 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
| Fuse Number | 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 |
Next Post : 2012-2018 Audi A6 / S6 (C7/4G) fuse box diagram
Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.