Audi A4 Owners & Service Manuals

Audi A4: Fuse assignment - footwell

Fuses
Fig. 183 Driver's footwell (left-hand drive vehicle): fuse panel with plastic clip

Fuses
Fig. 184 Front passenger's footwell (right-hand drive vehicle): fuse panel with plastic clip

Fuse panel (A) (brown)

  1. Catalytic converter heating
  2. Engine components
  3. Exhaust doors, fuel injectors, air intake, motor heating
  4. Vacuum pump, hot water pump, NOx sensor, particulate sensor, biodiesel sensor, exhaust doors
  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 regulator valve, temperature valve, engine mount
  9. Hot water pump, motor relay, 48 V starter generator, 48 V water pump
  10. Oil pressure sensor, oil temperature sensor
  11. Clutch position sensor, 48 V starter generator, water pump, 12 V starter generator
  12. Engine valves, engine mount
  13. Engine cooling
  14. Fuel injectors, drive system control module
  15. Ignition coils, heated oxygen sensors
  16. Fuel pump

Fuse panel (B) (red)

  1. Anti-theft alarm system
  2. Drive system control module
  3. Left front seat electronics, lumbar support, massaging seat
  4. Automatic transmission selector lever
  5. Horn
  6. Parking brake
  7. Diagnostic interface
  8. Roof electronics control module
  9. Emergency call and communication control module
  10. Airbag control module
  11. Electronic Stabilization Control (ESC), Anti-Lock Braking System (ABS)
  12. Diagnostic connection, light/rain sensor
  13. Climate control system
  14. Right front door control module
  15. Climate control system compressor
  16. Brake system pressure reservoir

Fuse panel (C) (black)

  1. Front seat heating
  2. Windshield wipers
  3. Left headlight electronics
  4. Panoramic glass roof/ sliding/tilting sunroof
  5. Left front door control module
  6. 12 volt socket
  7. Right rear door control module, right rear power window
  8. All wheel drive control module
  9. Right headlight electronics
  10. Windshield washer system/headlight washer system control module
  11. Left rear door control module, left rear power window
  12. Parking heater

Fuse panel (D) (black)

  1. Front seat electronic, seat ventilation, rearview mirror, rear climate control system control panel, windshield heating, diagnostic connection
  2. Diagnostic interface, vehicle electrical system control module
  3. Sound generator
  4. Clutch position sensor
  5. Engine start, emergency shut-off
  6. Diagnostic connection
  7. USB connection
  8. Garage door opener
  9. Audi adaptive cruise control, adaptive distance regulation
  1. Front camera
  2. Right headlight
  3. Left headlight
  4. Transmission fluid cooling

Fuse panel (E) (red)

  1. Ignition coils
  2. Climate control system compressor
  1. Left headlight
  2. Automatic transmission
  3. Instrument panel
  4. Climate control system blower
  5. Right headlight
  6. Dynamic steering
  7. Engine start

Fuse assignment- cockpit

Fuses
Fig. 185 Driver side cockpit: fuse panel with plastic bracket

Fuse panel

  1. Convenience access and start authorization control module
  2. Audi phone box, USB connection
  1. Head-up display
  2. Audi music interface, USB connection
  3. Front climate control system control panel
  4. Steering column lock
  5. Center display
  6. Instrument cluster
  7. Volume control
  8. Light switch, switch module
  9. Steering column electronics
  1. Infotainment system
  1. Steering column electronics, steering wheel heating

Fuse assignment - luggage compartment

Fuses
Fig. 186 Left side of the luggage compartment: fuse panel with plastic clip

Fuse panel (A) (black)

  1. Windshield defroster
  2. Windshield defroster
  1. Suspension control
  2. Automatic transmission
  3. Rear window defogger
  4. Rear seat heating
  5. Left tail lights
  6. Airbag, driver's side safety belt tensioner control module
  7. Luggage compartment lid lock, fuel filler door lock, convenience system control module
  8. Luggage compartment lid

Fuse panel (B) (red)

  1. Electric compressor

Fuse panel (C) (brown)

  1. Exterior antenna
  2. Audi phone box
  3. Right front seat electronics, lumbar support, massaging seat
  4. Side assist
  1. Tire pressure monitoring system
  2. Convenience access and start authorization control module
  3. Auxiliary heating, tank module
  1. TV tuner, data exchange and telematics Mw control module
  2. Auxiliary battery control module
  3. Garage door opener
  4. Rearview camera, peripheral cameras
  5. Right tail lights
  1. Airbag, front passenger's side safety belt tensioner control module

Fuse panel (E) (red)

  1. Exhaust treatment
  1. Right trailer hitch light
  1. Trailer hitch
  2. Left trailer hitch light
  3. Trailer hitch socket
  4. All wheel drive control module, sport differential
  5. Exhaust treatment

Bulbs

Replacing bulbs

Audi recommends having a bulb replaced by an authorized Audi dealer or authorized Audi Service Facility in cases of doubt. These facilities have the correct tools and replacement parts as well as the required technical knowledge.

LED lights*

Your vehicle is equipped with maintenance-free headlights and tail lights. However, if a light bulb needs to be replaced, please contact an authorized Audi dealer or authorized Audi Service Facility.

WARNING

If you still would like to try replacing the bulbs in your vehicle yourself, read the warnings regarding working in the engine compartment in General information.

Note

Make sure the covers are fitted correctly on the headlight and tail light so that no water will leak in from the outside and the light function will not be impaired.

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