The Audi A4 B7 has a single fuse box located in the cabin, on the left side of the driver's side, and the diagram is as follows: 1 Air conditioning system 2 Footwell lighting 3 Heated windshield washer nozzles 4 Cool track radiator 5 Phone, oil level sensor, multifunction switch, rear seat heating, rear window shade, automatic transmission 6 Air conditioning system 7 ESP, turn signals 8 Phone 9 Brake assist 10 Right adaptive light 11 Not Used 12 Diagnostic port 13 Steering column module 14 Brake lights 15 Instrument panel, navigation system 16 Garage door opener 17 Parking signal, suspension level adjustment, tire pressure monitoring system, rain/light sensor 18 Left adaptive light 19 Fog light 20 Not Used 21 Not Used 22 Driver and passenger door 23 Rear door 24 Central comfort electrical system 25 Heating fan 26 Rear window defroster 27 Trailer electrical socket 28 Fuel pump 29 Not Used 30 Open roof 31 Automatic transmission, diagnostic port, automatic dimming of interior mirrors 32 Trailer electrical socket 33 Cigarette lighter 34 Not Used 35 Electrical socket in the trunk 36 Windshield wipers 37 Pump for cleaning headlight and lamp cleaning equipment 38 Central electrical installation of the comfort system, tailgate unlocking 39 Radio 40 Horn 41 30 amp parking heater 42 25 amp electronic stability program (ESP) 43 15 amp engine management 44 35 amp seat heating.
Updated on 19 June 2026 by ScegliAuto
Video tutorial
