Fuse Box Informations | Cars

Audi A3 2021 Fuse Box

Audi A3 2021 Fuse Box Info


Passenger compartment fuse box location:

Depending on the vehicle equipment, the instrument panel fuse box may be located behind a cover, or behind the storage compartment in the area of the steering column (left-hand drive), or behind a cover in the glove compartment (right-hand drive).


Engine compartment fuse box location:



Fuse Box Diagram | Layout


Passenger compartment fuse box:

Fuse/Relay N° Functions
3 Trailer hitch
4 Drive components, exhaust treatment
5 Automatic transmission selector lever
6 Vehicle electrical system control module
7 Seat heating - controls
8 Panoramic glass roof
9 Control module for front driver's side door, rear driver's side power window
11 Trailer hitch
12 Vehicle electrical system control module
13 Vehicle electrical system control module
14 Sound system
15 Electronic toll collection system
16 Airbag control module
17 Exhaust treatment
18 Steering column lock, convenience access and start authorization control module
19 Instrument cluster, emergency call module
20 Infotainment system, USB input
21 Driver assistance systems control module, camera systems, side assist, luggage compartment lid
23 Front passenger’s side lumbar support
24 All wheel drive control module
25 Left front safety belt tensioner
26 Front passenger’s side door control module, rear passenger's side power window
27 Right front safety belt tensioner
28 High-voltage battery emergency cut-off point
29 Trailer hitch
30 Infotainment system
31 Trailer hitch
33 Front driver’s side lumbar support
35 Vehicle electrical system control module
36 Climate control system blower
37 Luggage compartment lid control module
39 Steering column electronics
40 Anti-theft alarm system
41 Diagnostic interface
42 Automatic transmission selector lever
43 Tire pressure monitoring, climate control system controls, auxiliary heating, interior temperature sensor, rear window heater relay
44 Particulate matter sensor, roof electronics control module, parking brake button, anti-theft alarm, diagnostic connection, headlight range control, garage door opener control module, light switch, light/rain sensor
45 Steering column electronics
46 Volume control, center display, head-up display
47 Suspension control
48 USB input
52 12 volt socket
58 Driver assistance systems control module, front camera, parking aid
59 Climate control system, exterior sound, rearview mirror, back-up light switch, center console switch panel, air quality sensor, 12 volt socket relay
60 Diagnostic connection
61 Clutch position sensor, electric drive system, high-voltage battery
64 Passenger's side passenger occupant detection system, passenger’s airbag OFF warning light
65 Exterior sound
66 Rear window wiper
67 Rear window defogger


Engine compartment fuse box:

Fuse/Relay N° Functions
2 Drive system control module, Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
3 Motor components, fuel pump, climate control system, high-voltage charger, electric drive system
4 Left headlight
5 Right headlight
7 Transmission fluid cooling
8 Brake booster
9 Horn
10 Windshield wipers
11 Climate control system
12 Transmission control module
13 Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
14 Auxiliary heating, sound actuator
15 Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
16 Automatic transmission
17 Exhaust treatment, climate control, auxiliary heating
18 Climate control, auxiliary heating
21 Drive system control module
22 Engine start
23 Drive system control module
24 Engine components, diesel module, exhaust treatment, fuel leak diagnosis, oil level and oil temperature sensor, engine cooling
25 Engine components, exhaust treatment
26 Engine components, exhaust doors, fuel leak diagnosis, engine cooling, transmission fluid cooling, exhaust treatment
27 Heated oxygen sensors
28 Engine components
29 Fuel pump, transmission control module
30 Engine cooling
33 Climate control, auxiliary heating


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