Audi A4 (2018) – fuse box diagram
Year of production: 2018
Fuse assignment – driver’s/front passenger’s footwell
Audi A4 – fuse box diagram – driver’s front passenger’s footwell
Front passenger ‘s footwell (right -hand drive vehicle)
Audi A4 – fuse box diagram – driver’s front passenger’s footwell (right hand drive vehicle)
Fuse panel A (brown)
| Number |
Electric equipment |
| 1 |
— |
| 2 |
Mass airflow sensor, camshaft adjustment, charge air cooler pump |
| 3 |
Exhaust doors, fuel injectors, radiator inlet |
| 4 |
Vacuum pump, hot water pump, particulate sensor, biodiesel sensor |
| 5 |
Brake light sensor |
| 6 |
Engine valves, camshaft adjustment |
| 7 |
Heated oxygen sensor, mass airflow sensor |
| 8 |
Water pump, high pressure pump, high pressure regulator valve |
| 9 |
Hot water pump |
| 10 |
Oil pressure sensor, oil temperature sensor |
| 11 |
Clutch pedal position sensor |
| 12 |
Engine valves |
| 13 |
Radiator fan |
| 14 |
Fuel injectors |
| 15 |
Ignition coils |
| 16 |
Fuel pump |
Fuse panel B (red)
| Number |
Electric equipment |
| 1 |
Anti-theft alarm system |
| 2 |
Engine control module |
| 3 |
Lumbar support |
| 4 |
Automatic transmission selector mechanism |
| 5 |
Horn |
| 6 |
Electromechan ical park ing brake |
| 7 |
Gateway control module |
| 8 |
Interior headl iner lights |
| 9 |
— |
| 10 |
Airbag control module |
| 11 |
Electronic Stabilization Control (ESC) |
| 12 |
Diagnostic connector, light/rain sensor |
| 13 |
Climate control system |
| 14 |
Right front door control module |
| 15 |
A/C compressor |
Fuse panel C (black)
| Number |
Electric equipment |
| 1 |
Front seat heating |
| 2 |
Windshield wipers |
| 3 |
Left head light electronics |
| 4 |
Panorama glass roof/ sliding/t ilting sunroof |
| 5 |
Left front door control module |
| 6 |
Sockets |
| 7 |
Right rear door control module |
| 8 |
All wheel drive |
| 9 |
Right headlight electronics |
| 10 |
Windshield washer system/headlight washer system |
| 11 |
Left rear door control module |
Fuse panel D (black)
| Number |
Electric equipment |
| 1 |
Seat ventilation, rearv iew mirror, rear climate control system controls |
| 2 |
Gateway, climate control system |
| 3 |
Sound actuator/exhaust sound tuning |
| 4 |
Clutch pedal position sensor |
| 5 |
Engine start |
| 6 |
— |
| 7 |
Rear USB charg ing port |
| 8 |
Homelink |
| 9 |
Adaptive cruise control |
| 10 |
— |
| 11 |
Video camera |
| 12 |
Matrix LED headlight/right LED headlight |
| 13 |
Matrix LED headlight/left LED headlight |
| 14 |
Rear window wiper |
Fuse panel E (red)
| Number |
Electric equipment |
| 1 |
Ignition coils |
| 2 |
Natural gas tank valves |
| 3 |
— |
| 4 |
— |
| 5 |
Engine mount |
| 6 |
Automatic transmission |
| 7 |
Instrument panel |
| 8 |
Climate control system (blower) |
| 9 |
— |
| 10 |
Dynamic steering |
| 11 |
Engine start |
Driver’s side cockpit fuse assignment
Audi A4 – fuse box diagram – driver’s side cocpit
| Number |
Electric equipment |
| 1 |
— |
| 2 |
Telephone |
| 3 |
— |
| 4 |
Head-up display |
| 5 |
Audi mus ic interface, USB charging port |
| 6 |
Front climate control system controls |
| 7 |
Steering column lock |
| 8 |
Infotainment system display |
| 9 |
Instrument cluster |
| 10 |
Infotainment unit |
| 11 |
Light switch |
| 12 |
Steering column electronics |
| 13 |
— |
| 14 |
Infotainment system |
| 15 |
— |
| 16 |
Steering wheel heating |
Left luggage compartment fuse assignment
Audi A4 – fuse box diagram – luggage compartment
Fuse panel A (black)
| Number |
Electric equipment |
| 1 |
— |
| 2 |
Windshield defroster |
| 3 |
Windshield defroster |
| 4 |
— |
| 5 |
Suspension control |
| 6 |
Automatic transmission |
| 7 |
Rear window defogger |
| 8 |
Rear seat heating |
| 9 |
Tail lights |
| 10 |
Left safety belt tensioner |
| 11 |
Central locking system |
| 12 |
Electric luggage compartment lid |
Fuse panel B (red)
| Number |
Electric equipment |
|
Not assigned |
Fuse panel C (brown)
| Number |
Electric equipment |
| 1 |
— |
| 2 |
Telephone |
| 3 |
Lumbar support |
| 4 |
Audi side assist |
| 5 |
— |
| 6 |
— |
| 7 |
— |
| 8 |
Smart module (tank) |
| 9 |
— |
| 10 |
— |
| 11 |
12 Volt battery |
| 12 |
Homelink |
| 13 |
Rearview camera, peripheral cameras |
| 14 |
Right tail lights |
| 15 |
— |
| 16 |
Right safety belt tensioner |
Fuse panel E (red)
| Number |
Electric equipment |
| 1 |
— |
| 2 |
Sound-amplifier |
| 3 |
AdBlue heating |
| 4 |
— |
| 5 |
Trailer hitch (right light) |
| 6 |
— |
| 7 |
Trailer hitch |
| 8 |
Trailer hitch (left light) |
| 9 |
Trailer hitch (socket) |
| 10 |
Sport differential |
| 11 |
Ad Blue |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
