Fuses and relay Audi Q3

For the Audi Q3 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 model year.

Cigarette lighter fuse – (fuse box in passenger compartment, fuse №36/20A)

Fuse box in passenger compartment.

fuse box location.

Open the storage compartment. Press the retainers on both sides inwards and fold the storage compartment all the way down.

 

fuse box diagram.

legend.

Fuses Amps Circuits protected
1 Not used  
2 Not used  
3 5A Glovebox illumination switch
Front left vanity light
Front right vanity light
Glovebox illumination
Vanity mirror(s) illumination
Sunroof module
4 5A Camera control unit
5 10A Power output control unit for the left headlight
6 10A Power output control unit for the right headlight
7 7.5A Electronic steering column lock control unit
8 7.5A Entry and start authorisation control unit
9 5A Airbag control unit
Passenger's side airbag deactivation light
10 10A 4WD control unit
or not used
11 Not used  
12 5A Mechatronic unit for the dual-clutch gearbox
Gear selector control unit
13 5A Oil level and temperature sensor
Engine Start and Stop system switch
TCS/ESP button
Reversing light switch
Air-conditioning high-pressure sensor
Air quality sensor
Climatronic control unit
Air-conditioning control unit
Power supply relay
Power supply relay 2
Warning light(s)
Auto-hold button
Automatic anti-dazzle rear-view mirror
Interior mirror
Heated washer jets
Seat occupied recognition control unit
14 7.5A Starter relay 1
Starter relay 2
Lighting switch
Brake light switch
Brake pedal switch
Engine control unit
Trailer detection control unit
Electronic damper control unit
ABS control unit
Power steering control unit
Data bus diagnostic interface
Terminal 15 voltage supply relay
15 10A Crankcase breather heater
Headlight range control unit
Voltage regulator
Automatic anti-dazzle rear-view mirror
Handbrake control unit
Cornering light and headlight range control unit
Power socket relay
Diagnostic connector (16)
Headlight range control
Or
Mass airflow meter
Headlight range control unit
Voltage regulator
Automatic anti-dazzle rear-view mirror
Handbrake control unit
Cornering light and headlight range control unit
Power socket relay
Diagnostic connector (16)
Headlight range control
16 5A Parking assistance control unit
Lane change assist control unit
Lane change assist control unit 2
17 5A Rear-view camera control unit
18 5A Radio
TV tuner
Controller area network (CAN)
Chip card reader
19 5A On-board supply
Voltage regulator
Engine control unit
20 5A ABS control unit
Air-conditioning control unit
Climatronic control unit
GPS system
21 Not used  
22 10A Interior monitoring
Alarm horn
23 10A Lighting switch
Rain and light sensor
Parking brake warning light
Diagnostic connector (16)
Sunroof module
24 Not used  
25 20A Fuse box in passenger compartment, fuses 4 – 6
26 15A Windscreen wiper motor
27 40A Starter relay 1
Starter relay 2
28 15A Information display control unit
Radio
Or
Information display control unit
(7.5A also used)
29 15A Fuse box in passenger compartment, fuses 17, 18
30 5A CD changer
31 5A Information display control unit
32 5A Control unit with display in the dash panel insert
33 10A Automatic anti-dazzle rear-view mirror
34 10A Central locking, rear doors
or not used
35 10A Front central locking
or not used
36 20A Power socket
Cigarette lighter
37 20A 12V socket
38 15A Terminal 15 voltage supply relay
39 Not used  
40 15A Trailer detection control unit
41 20A Trailer detection control unit
42 20A Trailer detection control unit
43 20A Headlight washer relay
Headlight washer pump
44 30A Heated rear windscreen
Heated rear windscreen relay
45 20A Handbrake control unit
46 30A Door control unit, rear right
Door control unit, rear left
or not used
47 30A Driver's door control unit
Or
4WD control unit
(15A also used)
or not used
48 30A Front passenger's door control unit
or not used
49 25A Fuel pump relay
Fuel pump control unit
or not used
50 40A X contact relief relay
Fresh-air blower control unit
Blower
51 20A Handbrake control unit
52 20A On-board supply
Hazard warning light(s)
Fuel pump relay
53 30A Climatronic control unit
Or
Control unit, heated front seats
54 20A Sliding roof control unit
55 20A Sunroof roller blind control unit
56 20A Electronic damper control unit
57 10A Special vehicle control unit
Or
Power supply relay
58 5A Power supply relay 2
59 Not used  
60 Not used  

 


Relay box №1 in passenger compartment.

legend.

Relay R1 – Terminal 15 voltage supply relay
Relay R2 – Horn relay
Relay R3 – Power socket relay
Relay R4 – X contact relief relay
Relay R5 – Relay, additional coolant pump or fuel pump relay
Relay R6 – Heated rear windscreen relay
Relay R7 – Automatic anti-dazzle rear-view mirror, Terminal 15 voltage supply relay, Headlight washer relay
Relay R8 – Not used
Relay R9 – Starter relay 1, Starter relay 2

 


Relay box №2 in passenger compartment.

legend.

Relay R1 – High-output heating relay
Relay R2 – Low-output heating relay
Relay R3 – Not used
Relay R4 – Not used
Relay R5 – Power supply relay, Power supply relay 2

 


Fuse box in engine compartment Audi Q3.

Release the fuse cover by sliding the two tabs (left and right) forwards.

 

fuse box diagram (pre 10.2012).

 

legend.

Fuses Amps Circuits protected
1 40A Voltage regulator
Fuse box in passenger compartment, fuses 28 – 33
2 10A Driver's seat adjustment switch
Driver's seat adjustment
Front passenger's seat adjustment switch 
Front passenger's seat adjustment
3 5A On-board supply
Battery monitor control unit
4 30A ABS control unit
or not used
5 15A Mechatronic unit for the dual-clutch gearbox
Gear selector control unit
6 5A Control unit, steering column electronics
7 30A On-board supply
8 20A Front and rear washer pumps
Rear windscreen wiper
Central locking, rear doors
Fuel tank cap
Rear power windows lock
9 5 Aerial selection control unit
Telephone
10 5A Terminal 30 voltage supply relay
Engine control unit
11 20A Additional heater control unit
12 5A Data bus diagnostic interface
13 30A Engine control unit
14 20A Fuel pressure control solenoid
Fuel metering solenoid
15 5A Glow plug control unit
16 30A On-board supply
17 15 Horns
Horn relay
18 30A Information display control unit
Radio
Voltage regulator
Digital sound package control unit
19 30A Wiper control unit
20 not used  
21 10A Oxygen sensor in front of the catalytic converter
22 5A Clutch pedal position sensor
23 10A Turbo pressure control solenoid
Exhaust gas cooler solenoid
Mass airflow meter
24 10A Fuel pump relay
Radiator fan control unit
Low-output heating relay
High-output heating relay
Exhaust gas recirculation coolant pump
25 40A ABS control unit
or not used
26 30A Fuse box in passenger compartment, fuses 34, 35
27 50A Glow plug control unit
Glow plugs 1 – 4
28 not used  
29 30A Driver's seat adjustment
Front passenger's seat adjustment
30 50A Terminal 15 voltage supply relay
Fuse box in passenger compartment, fuses 9 – 16, 25 – 27
R1   Terminal 30 voltage supply relay
R2   Glow plug control unit

 


Fuse box diagram (since 11.2012).

 

legend.

Fuses Amps Circuits protected
1 15A Mechatronic unit for the dual-clutch gearbox
Selector lever
2 30A ABS control unit
or not used
3 15A Horn relay
Horns
4 40A Voltage regulator
Fuse box in passenger compartment, fuses 28 – 33
5 5A On-board supply
Battery monitor control unit
6 30A On-board supply
7 20A Front and rear washer pumps
8 30A On-board supply
9 10 Driver's seat adjustment switch
Driver's seat adjustment
Front passenger's seat adjustment switch 
Front passenger's seat adjustment
10 5A Glow plug control unit
11 5A Control unit, steering column electronics
12 5A Aerial selection control unit
Telephone
13 5A Terminal 30 voltage supply relay
Engine control unit
14 30A Engine control unit
15 5A Data bus diagnostic interface
16 10A Turbo pressure control solenoid
EGR cooler change-over valve
Mass airflow meter
17 Not used  
18 10A Oxygen sensor in front of the catalytic converter
19 30A Information display control unit
Radio
Voltage regulator
Digital sound package control unit
20 5A Clutch pedal position sensor
21 Not used  
22 30A Wiper control unit
23 10A Fuel pump relay
Radiator fan control unit
Low-output heating relay
High-output heating relay
Exhaust gas recirculation coolant pump
24 20A Fuel pressure control solenoid
Fuel metering solenoid
25 30A Driver's door control unit
Door control unit, rear left
26 30A Front passenger's door control unit
Door control unit, rear right
27 50A Terminal 15 voltage supply relay
Fuse box in passenger compartment, fuses 9 – 16, 25 – 27
28 50A Glow plug control unit
Glow plugs 1 – 4
29 30A Driver's seat adjustment
Front passenger's seat adjustment
30 40A ABS control unit
or not used
R1   Glow plug control unit
Or
Power supply relay
R2   Terminal 30 voltage supply relay
Or
Main relay

 


Fuse box in engine compartment.

fuse box diagram (pre 10.2012).

Fuses Amps Circuits protected
FL1 200A Alternator
FL2 80A Power steering control unit
FL3 50A Fuse box in passenger compartment, fuses 40 – 42
FL4 70A High-output heating relay
FL5 80A Power socket relay
Fuse box in passenger compartment, fuses 7, 8, 20 – 24, 43 – 58
Or
Fuse box in passenger compartment, fuses 28 – 33
FL6 40A Low-output heating relay
FL7 60A Radiator fan control unit

 

fuse box diagram (since 11.2012).

Fuses Amps Circuits protected
SA1 200A Alternator
SA2 80A Power steering control unit
SA3 50A Fuse box in passenger compartment, fuses 40 – 42
or not used
SA4 60A Radiator fan control unit
SA5 80A Fuse box in passenger compartment, fuses 28 – 33
Or
Power socket relay
Fuse box in passenger compartment, fuses 7, 8, 20 – 24, 43 – 58
or not used
SA6 70A High-output heating relay
or not used
SA7 60A Trailer socket terminal 30
SA8 40A Low-output heating relay
Or
Condenser

 


Electrical component.

1

ABS control module

2

AC control module

3

Battery

4

Data link connector (DLC)

5

Diagnostic module

6

Door function control module, driver

7

Door function control module, left rear

8

Door function control module, passenger

9

Door function control module, right rear

10

Engine control module (ECM)

11

Four wheel drive control module – on rear differential

12

Fuse box/relay plate ,engine bay 1

13

Fuse box/relay plate ,engine bay 2

14

Fuse box/relay plate, fascia 1

15

Fuse box/relay plate, fascia 2

16

Fuse box/relay plate, fascia 3

17

Fuse box/relay plate, fascia 4

18

Glow plug control module – under engine bay fuse box/relay plate 1

19

Headlamp level control module

20

Heater blower speed resistor-in heater box

21

Horn 1

22

Horn 2

23

Keyless entry/start control module

24

Lane change assist control module, left- behind bumper

25

Lane change assist control module, right- behind bumper

26

Lane departure warning system control module

27

Multifunction control module – functions: Exterior lamps, footwell lamps, indicators/hazard warning lamps, interior lamps, luggage compartment lamp

28

Outside air temperature sensor

29

Parking brake control module

30

Power steering control module – on steering rack

31

Rearview camera control module – LH luggage compartment

32

Seat heater control module

33

Steering column function control module – on steering column

34

Steering column lock control module – on steering column

35

Supplementary restraint system (SRS) control module

36

Suspension control module- under carpet

37

Trailer control module – RH luggage compartment

38

Transmission control module (TCM) – on gearbox

39

Voltage stabiliser module –under carpet

40

Engine coolant blower motor control module

41

Parking aid control module – RH luggage compartment

42

Instrumentation control module