The Audi A5 F5 represents the second generation of the Audi A5 model line, produced in 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, and 2025. During this time, the model underwent a facelift. This article describes the fuses and relays in the Audi A5 F5, along with diagrams, their locations, and sample photos. Let’s focus on the fuse responsible for the cigarette lighter.
The purpose of the fuses and relays may differ from that shown in the illustration and depends on the year of manufacture, electrical equipment and delivery region of your Audi A5 F5.
Audi A5 F5 interior fuse box
Inside the vehicle, the fuse and relay box is located on the left side under the dashboard.
| Panel A (brown) | |
| 1 | Catalyst heating |
| 2 | Engine components |
| 3 | Exhaust doors, injectors, air intake, engine heater |
| 4 | Vacuum pump, hot water pump, NOx sensor, particulate sensor, biodiesel sensor, exhaust air flaps |
| 5 | Brake light sensor |
| 6 | Engine valves, camshaft adjustment |
| 7 | Heated oxygen sensors, mass airflow sensor, water pump |
| 8 | Water pump, high pressure pump, high pressure control valve, temperature valve, engine mount |
| 9 | Hot water pump, engine relay, 48V starter-alternator, 48V water pump |
| 10 | Oil pressure sensor, oil temperature sensor |
| 11 | Clutch position sensor, 48V starter-generator, water pump, 12V starter-generator |
| 12 | Engine valves, engine mounts |
| 13 | Engine cooling |
| 14 | Fuel injectors, powertrain control module |
| 15 | Ignition coils, heated oxygen sensors |
| 16 | fuel pump |
| Panel B (red) | |
| 1 | Anti-theft system |
| 2 | Powertrain control module |
| 3 | Front left seat electronics, lumbar support, massage seat |
| 4 | Automatic transmission gear shift lever |
| 5 | signal |
| 6 | parking brake |
| 7 | Diagnostic interface (gateway control module) |
| 8 | Roof electronics control unit |
| 9 | Emergency call and communication control module |
| 10 | Airbag control module |
| 11 | Electronic Stability Control (ESC), Anti-lock Braking System (ABS) |
| 12 | Light/rain sensor diagnostic connector |
| 13 | Climate control system |
| 14 | Door control unit front right |
| 15 | air conditioning compressor |
| 16 | Brake system reservoir |
| Panel C (black) | |
| 1 | Heated front seats |
| 2 | Windshield wipers |
| 3 | Left headlight electronics |
| 4 | Panoramic glass roof/sliding/tilting roof |
| 5 | Front left door control unit |
| 6 | 12V socket, cigarette lighter |
| 7 | Rear right door control unit, rear right window lifter |
| 8 | All-wheel drive (AWD) control module. |
| 9 | Right headlight electronics |
| 10 | Windshield Washer/Headlamp Washer Control Module |
| 11 | Rear left door control module, rear left electric window lifter |
| 12 | Autonomous heating |
Fuse number 6 is responsible for the operation of the cigarette lighter.
| Panel D (black) | |
| 1 | Front seat electronics, seat ventilation, rearview mirror, rear climate control panel, heated windshield, diagnostic connector |
| 2 | Diagnostic interface, on-board power control module |
| 3 | tone generator |
| 4 | Clutch position sensor |
| 5 | Engine start, emergency shutdown |
| 6 | Diagnostic connector, traffic information antenna (TMC) |
| 7 | USB port |
| 8 | Garage door opener |
| 9 | Audi Adaptive Cruise Control, Adaptive Distance Control |
| 11 | Front camera |
| 12 | Right headlight |
| 13 | Left headlight |
| 14 | Transmission Oil Cooler/Rear Window Wiper |
| 15 | Alarm and public address system |
| Panel E (red) | |
| 1 | ignition coils |
| 2 | air conditioning compressor |
| 5 | Left headlight |
| 6 | automatic gearbox |
| 7 | panel |
| 8 | Air conditioning fan |
| 9 | Right headlight |
| 10 | Dynamic steering system |
| 11 | Starting the engine |
Another fuse box is mounted at the left end of the dashboard, on the left side.
- Convenient access control and start-up authorization module (NFC)
- Audi phone, USB port
- Head-up display
- Audi Music Interface, USB port
- Front air conditioning control panel
- Steering column lock
- Central display
- dashboard
- Volume control
- Light switch, switching module
- Steering column electronics
- Fine dust sensor for the air conditioning system
- Infotainment system
- Heated steering wheel, electronic steering column
Audi A5 F5 fuse box in the trunk
The fuse box is located in the trunk, on the left side, behind the panel.
| Panel A (black) | |
| 2 | Heated windshield |
| 3 | Heated windshield |
| 5 | Suspension control |
| 6 | automatic gearbox |
| 7 | Heated rear window |
| 8 | Rear seat heating |
| 9 | Left rear lights |
| 10 | Airbag, driver’s side seat belt pretensioner control unit |
| 11 | Trunk lid lock, fuel filler flap lock, comfort system control unit |
| 12 | Trunk lid |
| Panel B (red) | |
| 6 | Battery power outage/electric compressor |
| Panel C (brown) | |
| 1 | External antenna |
| 2 | Audi telephone booth |
| 3 | Right front electronics, lumbar support, massage seat |
| 4 | Side Assistance |
| 6 | Tire pressure monitoring system |
| 7 | Convenient access control and start-up authorization module (NFC) |
| 8 | Auxiliary heating, tank module |
| 10 | TV tuner, data exchange and telematics control module |
| 11 | Auxiliary battery control module |
| 12 | Garage door opener |
| 13 | Reversing camera, peripheral cameras |
| 14 | Right rear lights |
| 16 | Airbag control unit, passenger seat belt pretensioner |
| Panel E (red) | |
| 3 | Exhaust gas treatment (Adblue) |
| 5 | Right trailer light |
| 7 | trailer hitch |
| 8 | Left trailer light |
| 9 | trailer socket |
| 10 | All-wheel drive control module, sports differential |
| 11 | Exhaust gas treatment (Adblue) |
If you know how to improve the material, please write in the comments.