Fuse and Relay Box Diagrams – Audi A5 and S5
Applies to vehicles manufactured in the years: 2023.
Driver/front passenger legroom
The fuses are located in the footwell under the footrest (left-hand drive vehicle) or behind a cover (right-hand drive vehicle).
| Number | Description |
|---|---|
| Fuse panel A (brown) | |
| 1 | Catalyst heating |
| 2 | Engine components |
| 3 | Exhaust doors;Fuel injectors;Air intake;Engine heating. |
| 4 | Vacuum pump;Hot water pump;NOx sensor;Particulate matter sensor;Biodiesel sensor;Exhaust door. |
| 5 | Brake light sensor |
| 6 | Engine valves;Camshaft adjustment. |
| 7 | Heated oxygen sensors;Mass air flow sensor;Water pump. |
| 8 | Water pump;High pressure pump;High pressure regulator valve;Temperature valve;Engine mount. |
| 9 | Hot water pump;Engine relay;48V starter generator;48V water pump. |
| 10 | Oil pressure sensor;Oil temperature sensor. |
| 11 | Clutch position sensor;48V starter;Water pump;12V starter. |
| 12 | Engine valves;Engine mount. |
| 13 | Engine cooling |
| 14 | Fuel injectors;Powertrain control module. |
| 15 | Ignition coils;Heated lambda probes. |
| 16 | Fuel pump |
| Fuse panel B (red) | |
| 1 | Anti-theft alarm system |
| 2 | Powertrain control module |
| 3 | Left front seat electronics;Lumbar support;Massage chair. |
| 4 | Automatic transmission gear shift lever |
| 5 | Horn |
| 6 | Parking brake, ETC – electronic toll collection |
| 7 | Diagnostic interface |
| 8 | Roof electronics control module |
| 9 | Emergency call and communication control module |
| 10 | Airbag control module |
| 11 | Electronic Stability Control (ESC);Anti-lock braking system (ABS). |
| 12 | Diagnostic connection;Light/rain sensor;ETC – Electronic Toll Collection |
| 13 | Air conditioning system |
| 14 | Right Front Door Control Module |
| 15 | Air conditioning compressor |
| 16 | Brake system pressure reservoir;Left neck heating. |
| Fuse Panel C (Black) | |
| 1 | Front seat heating |
| 2 | Wipers |
| 3 | Left headlight electronics |
| 4 | Panoramic glass roof |
| 5 | Left front door control module |
| 6 | 12V socket |
| 7 | Right rear door control module;Right rear electric window. |
| 8 | All-wheel drive control module |
| 9 | Right headlight electronics |
| 10 | Windshield washer system/Headlamp washer control module |
| 11 | Left rear door control module;Left rear electric window. |
| 12 | Parking heater |
| Fuse panel D (black) | |
| 1 | Front seat electronics;Seat ventilation;Rearview mirror;Rear air conditioning control panel;Neck warmer;Front passenger airbag warning light;Diagnostic connector. |
| 2 | Diagnostic interface;Vehicle electrical system control module. |
| 3 | Sound Generator |
| 4 | Clutch position sensor |
| 5 | Engine start; Emergency shutdown. |
| 6 | Diagnostic connection;Traffic information antenna (TMC). |
| 7 | USB connection |
| 8 | Garage door opener |
| 9 | Audi adaptive cruise control ;Adaptive distance control. |
| 11 | Front camera |
| 12 | Right headlight |
| 13 | Left headlight |
| 14 | Transmission Fluid Cooling (Gearbox) |
| Fuse panel E (red) | |
| 1 | Ignition coils |
| 2 | Air conditioning compressor |
| 5 | Left headlight |
| 6 | Automatic gearbox |
| 7 | Instrument panel |
| 8 | Air conditioning blower |
| 9 | Right headlight |
| 10 | Dynamic steering |
| 11 | Engine start |
Instrument panel
Additional fuses are located at the front of the cockpit (driver’s side).
| Number | Description |
|---|---|
| 1 | Convenient access and launch of the authorization control module |
| 2 | Phonebox Audi ;USB connection. |
| 4 | Head-up display |
| 5 | Audi music interface ;USB connection. |
| 6 | Front air conditioning control panel |
| 7 | Steering column lock |
| 8 | Central display |
| 9 | Instrument cluster |
| 10 | Volume control |
| 11 | Light switch, switch module |
| 12 | Steering column electronics |
| 14 | Infotainment system |
| 16 | Steering column electronics;Steering wheel heating. |
Trunk
The fuses are located under the left cover in the trunk.
| Number | Description |
|---|---|
| Fuse panel A (black) | |
| 2 | Windshield defroster |
| 3 | Windshield defroster |
| 5 | Suspension control |
| 6 | Automatic gearbox |
| 7 | Rear window defogger |
| 8 | Rear seat heating |
| 9 | Left rear lights |
| 10 | Airbag;Driver side seat belt pretensioner control module. |
| 11 | Trunk lid lock;Fuel filler door lock;Comfort system control module. |
| 12 | Trunk lid |
| Fuse panel B (red) | |
| 6 | Electric compressor |
| Fuse Panel C (Brown) | |
| 1 | External antenna |
| 2 | Phonebox Audi ;Seat belt microphone. |
| 3 | Right front seat electronics;Lumbar support;Massage chair. |
| 4 | Lane assistant |
| 6 | Interior monitoring;Anti-theft alarm system;Tire pressure monitoring system. |
| 7 | Convenient access and launch of the authorization control module |
| 8 | Parking heater;Tank module. |
| 9 | Upper Power Control Module |
| 10 | TV tuner;Data exchange;Telematics control module. |
| 11 | Auxiliary Battery Control Module |
| 12 | Garage door opener |
| 13 | Reversing camera, peripheral cameras |
| 14 | Right rear lights |
| 16 | Airbag, front passenger seat belt pretensioner control module. |
| Fuse panel E (red) | |
| 1 | Right neck heating |
| 3 | Exhaust gas purification |
| 4 | Upper Power Control Module |
| 5 | Right trailer hitch light |
| 7 | Towbar |
| 8 | Left trailer hitch light |
| 9 | Trailer hitch socket |
| 10 | All-wheel drive control module;Sports differential. |
| 11 | Exhaust gas purification |
Audi A5,S5 (2023) fuses and relays. Audi A5,S5 (2023) fuse diagram.