Audi Q3 – fuse and relay

Audi Q3 crossover was launched in 2011 and continues to this day. In our article you will find information on the locations of the relay boxes and fuses of the Audi Q3 with their diagrams and purpose for cars of 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 model years.

Locations

Diagram

general arrangement of fuses q3

  1. Fuses under the front panel
  2. Relay and fuse carriers C -SC-
  3. Fuse holder B -SB-
  4. Fuse holder A -SA-
  5. Fuse holder D -SD- (from May 2013)

Passenger compartment

Main fuse box

Diagram

passenger compartment fuse box

Designation

No.Function / component
110Left LED headlight control unit 1 -A31-
210Right LED headlight control unit 1 -A27-
35Glove box light
switch -E26- Vanity mirror contact switch, driver’s side -F147- Vanity mirror
contact switch, passenger side -F148-
Glove box light -W6- Vanity
mirror
light, passenger side -W14- Vanity mirror light, passenger side driver -W20-
Front roof module -WX3- (not available from November 2014)
45Front camera for driver assistance systems -R242-
510Power module for left headlight -J667-
55Power module for left headlight -J667- (from November 2014)
610Power module for right headlight -J668-
65Power module for right headlight -J668- (from November 2014)
77.5Control unit el. steering column lock -J764-
87.5Entry and start authorization control unit -J518 –
95Front passenger airbag deactivation warning lamp -K145- Airbag
control unit -J234-
1010Four-wheel drive control unit -J492- (up to April 2013)
11 –
125Mechatronic
unit for dual clutch gearbox -J743- Selector lever sensor control unit -J587-
135Oil level and oil temperature sender -G266-
Start / stop
button -E693- ASR and ESP button -E256- Reversing
light switch -F4-
High pressure sender -G65-
Air quality sender -G238-
Climatronic control
unit -J255- Control unit conditioner unit -J301-
relay 1 power -J701-
relay 2 power -J710-
The control lamp for aUTO HOLD -K237-
button for aUTO HOLD -E540-
Interior rear-view mirror with automatic anti-dazzle -Y7-
rearview mirror -EX5-
heating Left injector resistor -Z20-
Right injector heating resistor -Z21-
Seat occupied recognition control unit -J706-
147.5Starter relay 1 -J906-
Starter relay 2 -J907- (gradual implementation)
147.5Light switch -E1-
Brake light switch -F- Brake
pedal sender -F63-
Engine control unit -J623-
Trailer detector
control unit -J345- Electronic damping control
unit -J250- ABS control
unit -J104- Power steering control unit -J500- Data bus
diagnostic interface -J533-
Terminal 15 supply relay 2 -J681-
1510Crankcase ventilation heater -N79- (only for vehicles with diesel engine)
1510Air mass meter -G70- (only for vehicles with petrol engine)
1510Control unit for headlight range control -J431-
Voltage stabilizer -J532-
Interior mirror relay with automatic dimming -J910-
Electromechanical parking brake control
unit -J540- Control unit for headlight range control and headlight range
control -J745-
Socket relay -J807- Connector, 16-pin – T16- (diagnostic socket)
Headlight range control adjuster -E102- Vers
. left headlight range control motor -V48- Vers
. right headlight range control motor -V49-
165Parking aid
control unit -J446- Lane change assist
control unit -J769- Control unit 2 for lane change assist -J770-
175Reversing camera control unit -J772-
185Radio -R-
TV tuner -R78-
Internet access control
unit -J666- Chip card reader control unit -J676-
195Onboard
supply control
unit -J519- Voltage stabilizer -J532- Engine control unit -J623-
205ABS
control unit -J104- Air conditioning control unit -J301-
Climatronic control
unit -J255- Interface control unit for vehicle positioning system -J843-
21 –
2210Interior sensor -G273-
Hazard warning system -H12-
2310Light switch -E1-
Rain and light sensor -G397-
Electromechanical parking brake warning lamp -K213-
16-pin connector -T16- (diagnostic connector)
Front roof module -WX3-
2410Relay for additive dosing system -J963-
2520Fuse 4 on fuse holder C -SC4-
Fuse 5 on fuse holder C -SC5-
Fuse 6 on fuse holder C -SC6-
2615Rear window wiper motor -V12-
2740Starter relay 1 -J906-
Starter relay 2 -J907-
2730Starter relay 1 -J906-
Starter relay 2 -J907- (from November 2014)
2815Information electronics control unit 1 -J794-
Radio -R- (only for vehicles with radio)
287.5Information electronics control unit 1 -J794- (only for vehicles with MMI)
2915Fuse 18 on fuse holder C -SC18-
Fuse 17 on fuse holder C -SC17-
305CD change -R41-
315Display for dash panel insert -J685-
325Control unit in dash panel insert -J285-
3310Relay for interior rearview mirror with automatic anti-dazzle function -J910-
3410Rear left door control unit -J388- (central locking, rear left door)
Rear right door control unit -J389- (central locking, rear right door) (up to October 2012)
3510Driver door control unit -J386- (central locking, front left door)
Front passenger door control unit -J387- (central locking, front right door) (up to October 2012)
3620Socket -U- Cigar
lighter -U1-
372012 V socket 2 -U18-
12 V socket -U5-
3815Power supply relay 2-, Cl. 15 -J681-
39 –
4015Trailer detection control unit -J345-
4120Trailer detection control unit -J345-
4220Trailer detection control unit -J345-
4320Headlamp cleaning relay -J39- Headlight cleaning
pump -V11-
4430Heated rear window relay -J9-
Heated rear window -Z1-
4520Electromechanical parking brake control unit -J540-
4630Rear left door control
unit -J388- Rear right door control unit -J389- (up to October 2012)
4620Relay for trailer voltage supply J941 -J941- (from November 2014)
4730Driver door control unit -J386- (up to October 2012)
4715Four-wheel drive control unit -J492- (from May 2013)
4830Front passenger door control unit -J387- (up to October 2012)
4925Fuel pump relay -J17- Fuel pump
control unit -J538- (only for vehicles with petrol engine)
5040X-terminal unloading relay -J59- Fresh
air blower control unit -J126- Fresh air
blower -V2-
5120Electromechanical parking brake control unit -J540-
5220Onboard supply control unit -J519- (footwell lighting, terminal 30G, terminal 58d, luggage compartment lighting)
Hazard warning lamp -K6-
Fuel pump relay -J17-
5330Climatronic control unit -J255- (Heated front seat with automatic air conditioning)
Control unit for heated front seat -J774- (Heated front seat with manual climate control)
5420Sliding sunroof control unit -J245-
5520Sunroof blind control unit -J394-
5620Electronic damping control control unit -J250-
5710Special vehicle control unit -J608- (only for vehicles with driving aids)
5710Power supply relay 1 -J701- (only for vehicles for driving schools)
585Power supply relay 2 -J710- (only for driving school vehicles)
59 –
60 –

The fuse number 36, 20A, is responsible for the cigarette lighter.

Thermal fuse box

fuses under the panel

Functions

1fifteenThermal fuse 1 for driver’s seat adjustment -S44-
2fifteenThermal fuse 1 for front passenger seat adjustment -S46-
3thirtyFuse for trailer terminal 30 -S77-

 

Relay box

Diagram

Relay under the front panel 2

Protected components

1Terminal 15 voltage supply relay -J329-
2Horn relay -J413-
3Socket relay -J807-
4X contact relief relay -J59-
5
Relay for auxiliary coolant pump -J496- (only for vehicles with petrol engine)

Fuel pump relay -J17- (only for vehicles with diesel engines)

7
Relay for dimming rearview mirror -J910-
Voltage supply relay 2, terminal 15 -J681-
Headlight washer relay -J39-
8Trailer voltage supply relay -J941-
9
Starter relay 1 -J906-
Starter relay 2 -J907-

Relay box on the onboard supply control unit

Relay under the front panel

Designation

1High heat output relay -J360-
2Low heat output relay -J359-
3Not used
4Relay for additive dosing system -J963-
5Voltage supply relay 1 -J701-
5Voltage supply relay 2 -J710-

Engine compartment relay and fuse boxes

Fuse box B

Type 1

Assignment

F140Voltage stabilizer -J532- Fuse
supply -SC28- to -SC33- (only for vehicles with start / stop system)
F210Electric lumbar support
adjustment Button for lumbar support for driver’s seat -E176-
Motor for longitudinal adjustment of lumbar support for driver’s seat -V125-
Motor for lumbar support for driver’s seat height -V129-
Switch for lumbar support for front passenger seat -E177-
Motor for longitudinal adjustment of front seat passenger side -V126-
Motor for lumbar support, front passenger seat height -V130-
F35Onboard supply control
unit -J519- Battery monitor control unit -J367-
F430ABS control unit J104 -J104- (MK60 valves)
F515Mechatronic
unit for dual clutch gearbox -J743- Selector lever sensor control unit -J587-
F65Steering column control unit -J527-
F730Onboard supply control unit -J519- (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)
F820Windscreen and rear window washer pump -V59- Rear window wiper
motor -V12-
Central locking for rear right and left doors, fuel filler flap, rear window lock
F95Mobile phone amplifier -R86-
Telephone holder -R126-
F105Terminal 30 supply relay -J317-
Engine control unit -J623- (only for models with diesel engine)
F1010Main relay -J271-
Engine control unit -J623- (only for models with petrol engine)
F11Not used
F125Data bus diagnostic interface -J533-
F1330Engine control unit -J623- (only for vehicles with diesel engine)
F1325Engine control unit -J623- (only for vehicles with petrol engine)
F1420Fuel pressure regulating
valve -N276- Fuel metering valve -N290- (only for vehicles with diesel engine)
F1420Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292- (only for vehicles with petrol engine)
F155Glow plug control unit -J179- (only for vehicles with diesel engine)
F1510Lambda probe
heater -Z19- Lambda probe 1 heater after catalytic converter -Z29- (only for vehicles with petrol engine)
F1630Onboard supply control unit -J519- (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)
F1715Horn relay -J413-
High tone
signal -H2- Low tone signal -H7-
F1830Information electronics control unit 1 -J794-
Radio -R-
Voltage stabilizer -J532-
Digital sound system control unit -J525-
F1930Wiper motor control unit -J400-
F2020Fuel pressure regulating valve -N276- (only for vehicles with petrol engine)
F2110Lambda probe heater -Z19- (only for vehicles with diesel engine)
F2125Fuel pressure regulating valve -J538- (only for vehicles with petrol engine)
F225Clutch pedal position sender -G476-
F2310Charge pressure control solenoid
valve -N75- Exhaust gas recirculation cooler changeover valve -N345-
Air mass meter -G70- (only for vehicles with diesel engine)
F2410Fuel pump relay -J17-
Radiator fan control unit -J293-
Low heat output
relay -J359- High heat output relay -J360-
Exhaust gas recirculation cooler pump -V400- (only for vehicles with diesel engine)
F2410Relay for additional coolant pump -J496-
Radiator fan control unit -J293- Engine
power supply relay -J757- Charge
pressure
control
solenoid valve -N75- Canister solenoid valve 1 -N80- Camshaft timing valve 1 -N205- Turbocharger
bypass valve -N249 –
Intake manifold flap
valve -N316- Oil pressure regulating valve -N428- (only for vehicles with petrol engine)
F2540ABS control unit -J104- (MK60 ESP pump)
F2630Fuse 34 on fuse holder C -SC34-
Fuse 35 on fuse holder C -SC35-
F2750Glow plug control unit -J179- Glow plug
1 -Q10- Glow plug
2 -Q11- Glow plug
3 -Q12- Glow plug
4 -Q13- (only for vehicles with diesel engine)
F2850Fuse for trailer terminal 30 -S77- (Australia only)
F2930Thermal fuse
1 for driver’s seat adjustment mechanism -S44- Thermal fuse 1 for front passenger’s seat adjustment mechanism -S46-
F3050Terminal 15 supply relay -J329- Fuse
supply: -SC9- bis -SC16-, -SC25-, -SC26-, -SC27-
Relay
A1
Main relay -J271- (only for vehicles with diesel engines)

Terminal 30 voltage supply relay -J317- (only for vehicles with diesel engines)

A2
Relay for voltage supply for engine electronics -J757- (only for vehicles with diesel engines)

Jumper, glow plug control unit -J179- (only for vehicles with diesel engines)

Type 2

The second version of the diagram for the Audi q3 with battery in the engine compartment.

real photo
real photo

fuse box q3 from 2012

Appointment

F115Mechatronic unit for dual clutch gearbox -J743-
Selector lever -E313-
F230ABS control unit -J104- (MK60 valves) up to October 2014
F240ABS control unit -J104- (MK60 valves) from November 2014
F315Horn relay -J413-
High tone
signal -H2- Low tone signal -H7-
F440Voltage stabilizer -J532- Fuse
supply -SC28- to -SC33- (only for vehicles with start / stop system)
F55Onboard supply control
unit -J519- Battery monitor control unit -J367-
F630Onboard supply control unit -J519- (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)
F720Front and rear windscreen washer pump -V59-
F830Onboard supply control unit -J519- (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)
F910Electric lumbar support
adjustment Button for lumbar support for driver’s seat -E176-
Motor for longitudinal adjustment of lumbar support for driver’s seat -V125-
Motor for lumbar support for driver’s seat height -V129-
Switch for lumbar support for front passenger seat -E177-
Motor for longitudinal adjustment of front seat passenger side -V126-
Motor for lumbar support, front passenger seat height -V130-
F105Glow plug control unit -J179- (only for vehicles with diesel engine)
F1010Lambda probe
heater -Z19- Lambda probe 1 heater after catalytic converter -Z29- (only for vehicles with petrol engine)
F115Steering column control unit -J527-
F125Mobile phone amplifier -R86-
Telephone holder -R126-
F135Terminal 30 supply relay -J317-
Engine control unit -J623- (only for models with diesel engine)
F135Main relay -J271-
Engine control unit -J623- (only for models with 2.5 l petrol engine)
F1310Main relay -J271-
Engine control unit -J623- (only for vehicles with a petrol engine, not 2.5 l engines)
F1430Engine control unit -J623- (only for vehicles with diesel engine)
F1425Engine control unit -J623- (only for vehicles with a petrol engine, not for 2.5 l engines)
F1415Engine control unit -J623- (only for vehicles with 2.5 l petrol engine)
F155Data bus diagnostic interface -J533-
F1610Charge pressure control solenoid
valve -N75- Exhaust gas recirculation cooler changeover valve -N345-
Air mass meter -G70- (only for vehicles with diesel engine)
F1610Relay for additional coolant pump -J496- Coolant circuit solenoid
valve -N492- Coolant circulation
pump -V50- (only for vehicles with 2.5 l petrol engine)
F1720Fuel pressure regulating valve -N276- (only for vehicles with a petrol engine, not for 2.5 l engines)
F1710Fuel metering valve -N290- (only for vehicles with 2.5 l petrol engine)
F1810Lambda probe heater -Z19- (only for vehicles with diesel engine)
F1825Fuel pressure regulating valve -J538- (only for vehicles with petrol engine)
F1930Information electronics control unit 1 -J794-
Radio -R-
Voltage stabilizer -J532-
Digital sound system control unit -J525-
F205Clutch pedal position sender -G476-
F2140Reducing agent heating control unit -J891-
F2240Wiper motor control unit -J400-
F2310Fuel pump relay -J17-
Radiator fan control unit -J293-
Low heat output
relay -J359- High heat output relay -J360-
Exhaust gas recirculation cooler pump -V400- (only for vehicles with diesel engine)
F2310Relay for additional coolant pump -J496-
Radiator fan control unit -J293- Engine
power supply relay -J757- Charge
pressure
control
solenoid valve -N75- Canister solenoid valve 1 -N80- Camshaft timing valve 1 -N205- Turbocharger
bypass valve -N249 –
Intake manifold flap
valve -N316- Oil pressure regulating valve -N428- (only for vehicles with a petrol engine, not for 2.5l engines)
F2310Radiator fan control unit -J293- Engine
power supply relay -J757- Exhaust
gas flap block -J883- Charge
pressure control solenoid valve -N75- Canister solenoid
valve 1 -N80- Turbocharger
bypass valve -N249-
Intake manifold flap valve -N316- (except cars with 2.5 l petrol engine)
F2420Fuel pressure regulating
valve -N276- Fuel metering valve -N290- (only for vehicles with diesel engine)
F2420Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292- (only for vehicles with petrol engine, except 2.5 l engines )
F2410Camshaft timing
valve 1 -N205- Exhaust camshaft timing valve 1 -N318-
Oil pressure regulating valve -N428- (except vehicles with 2.5 l petrol engine)
F2530Driver door control
unit -J386- Rear left door control unit -J388-
F2630Front passenger door
control unit -J387- Rear right door control unit -J389-
F2750Terminal 15 supply relay -J329- Fuse
supply: -SC9- bis -SC16-, -SC25-, -SC26-, -SC27-
F2740Terminal 15 supply relay -J329- Fuse
supply: -SC9- bis -SC16-, -SC25-, -SC26-, -SC27- from November 2014
F2850Glow plug control unit -J179- Glow plug
1 -Q10- Glow plug
2 -Q11- Glow plug
3 -Q12- Glow plug
4 -Q13- (only for vehicles with diesel engine)
F2830Ignition coil 1 with output stage -N70-
Ignition coil 2 with output stage -N127-
Ignition coil 3 with output stage -N291-
Ignition coil 4 with output stage -N292-
Ignition coil 5 with output stage -N323- (only for vehicles with petrol engine 2.5 l)
F2930Thermal fuse
1 for driver’s seat adjustment mechanism -S44- Thermal fuse 1 for front passenger’s seat adjustment mechanism -S46-
F3040ABS control unit -J104- (MK60 ESP pump)
Relay
A1
Relay for voltage supply for engine electronics -J757- (only for vehicles with diesel engines)

Jumper, glow plug control unit -J179- (only for vehicles with diesel engines)

A2
Main relay -J271- (only for vehicles with diesel engines)

Terminal 30 voltage supply relay -J317- (only for vehicles with diesel engines)

Fuse box A

It is located in the junction box. Various designs of elements are possible.

real photo 2

Diagram – Type 1

for battery in the engine compartment

Diagram – Type 2

general arrangement of q3 fuses from 2012

Circuits protected

SA1200Generator -C-
SA280Power steering control unit -J500-
SA350
Fuse supply: -SC40-, -SC41-, -SC42-
Not used (2)
SA4
80
60 (1.2)
High heat output relay -J360-
Radiator fan control unit -J293- (1.2)
SA580Socket relay -J807- Fuse supply: -SC7-, -SC8-, from -SC20- to -SC24-, from -SC43- to -SC53-, -SC54-, -SC55-, -SC56-, -SC57-, -SC58- / Not used (2)
SA580Fuse supply: from -SC28- to -SC33- (only for vehicles without start / stop system)
SA6
40
70 (1.2)
Low heat output relay -J359-
High heat output relay -J360- (1)
Not used (2)
SA760
Radiator fan control unit -J293-
Fuse cl. 30 trailer -S77- (1,2)
SA8
60
40 (1.2)
Radiator fan control unit -J293-
Low heat output relay -J359- (1)
Interference suppression capacitor -C24- (2)
SA760Radiator fan control unit -J293-
SA760Radiator fan control unit -J293-
1 – vehicles with a battery in the engine compartment, from November 2012
2 – vehicles with a battery in the luggage compartment, from May 2013

Relay under the switching block

It is only visible if the breakout box is removed.

relay in the switching unit

  1. Relay box under the switch box in the engine compartment on the left;
  2. Glow plug control unit -J179-.

Luggage compartment fuse box, right

fuses in the trunk

Designation

SD1175Junction box power supply
SD250Fuse supply: -SC40-, -SC41-, -SC42-
SD380Fuse supply: from -SC28- to -SC33- (only for vehicles without start / stop system)
SD380Socket relay -J807- Fuse
supply: -SC7-, -SC8-, from -SC20- to -SC24-, from -SC43- to -SC53-, -SC54-, -SC55-, -SC56-, -SC57-, -SC58-

Leave a Reply

Your email address will not be published.