Audi A3/S3 (2004-2007) fuse box diagram.

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Location of boxes, electrical fuse block diagrams in Audi A3 / S3 (8P) (model years 2003, 2004, 2005, 2006, 2007, 2008).

Replacing fuses

The power circuits are protected by fuses. The fuses are located on the left side of the dashboard and on the left side of the engine compartment, both behind a cover.

  1. Turn off the ignition and disconnect the electrical device from the power source.
  2. Remove the fuse cover.
  3. Find out which fuse is suitable for a given electrical appliance.
  4. Remove the plastic clip from the fuse cover holder, place it on the blown fuse and pull the fuse out.
  5. A blown fuse (identifiable by a melted strip of metal) must be replaced with a new fuse of the same type.
  6. Be careful when replacing the fuse cover.

If the new fuse blows after a short time, have the electrical installation checked by a specialist workshop as soon as possible.

Attention!

Do not “repair” fuses or replace them with fuses with a higher amperage. Doing so may result in a fire hazard and may damage other electrical components.

Passenger compartment

Fuse diagram

NO.ConsumerAmplifier
1Trailer control unit, engine components (I), manual headlight range adjustment, automatic headlight range adjustment, AFS control unit, engine components (II), light switch (controller backlight), diagnostic connector10A
2All-wheel drive, automatic gearbox, CAN data transmission control unit (gateway), electromechanical steering, automatic gearbox gear display, engine relay, fuel tank control unit, ABS, ASR, ESP control unit, light switch10A
3Airbag5A
4Heating (dashboard), air conditioning (pressure sensor, air quality sensor), buttons for Electronic Stability Program (ESP), Anti-Slip Control (ASR) and tire pressure indicator, oil level sensor (WIV), reversing light switch, heated front and rear seats, navigation in instrument cluster, parking assist, garage door opener, auto-dimming interior mirror, heated washer nozzles, heating (control unit), air conditioning (control unit)5A
5AFS Lighthouse (left)5A
6AFS Lighthouse (right)5A
7Free–
8Free–
9Free–
10Free–
11Free–
12Central locking (front doors)10A
13Central locking10A
14Electronic Stability Program (ESP) (control unit), automatic transmission (control unit), parking aid, gear indicator field for automatic transmission10A
15Interior lighting, reading lamps10A
16Diagnostic connector, rain sensor, heating (control unit), air conditioning (control unit), auxiliary heating10A
17Burglar alarm5A
18Free–
19Free–
20Free–
21Free–
22Air conditioning (fan)40A
23Driver’s front window lifter30A
24Lighter20A
25Rear window heating30A
26Power socket in the trunk20A
27Fuel tank control unit, fuel pump15A
28Rear windows30A
29Free–
30Automatic gearbox20A
31Automatic transmission/Vacuum pump20A
32Headlight cleaning system30A
33Sunroof/wind deflector20A
34Heated rear seats20A
35Free–
36Lumbar support10A
37Seat heating, front20A
38Passenger side front window lifter30A
39Free–
40Air conditioning/Manual heating (fan)40A
41Rear window wiper15A
42Windshield wiper (washer pump)15A
43Comfort electronics (control unit)20A
44Trailer control unit20A
45Trailer control unit15A
46Trailer power socket10A
47Pre-installation for mobile devices (VDA interface)5A
48Special vehicles10A
49Special vehicles5A

Engine compartment

Unlock the fuse cover and slide both sliders forward.

Version 1 (with 30 fuses)

Fuse kit for models with 1.6L and 2.0L FSI petrol engines and all diesel engines.

NO.ConsumerAmplifier
F1Free–
F2Steering wheel electronics5A
F3Battery voltage5A
F4Anti-lock braking system (ABS) valves30A
F5Gearbox control unit15A
F6Instrument panel5A
F7Free–
F8Radio equipment, navigation system15A/25A
F9Navigation system, mobile phone, TV device5A
F10Main relay10A
F11Stationary heating20A
F12CAN data transmission control unit (gateway)5A
F13Engine control unit (petrol/diesel engine)25A/30A
F14Ignition module, ignition coils20A
F15Preheating time control unit / Engine components, lambda sensors5A/10A/15A
F16Anti-lock brake system (ABS) pump30A
F17Horn15A
F18Audio amplifier30A
F19Windshield wiper system30A
F20Dosing valve20A
F21Lambda probe (TDD/Lambda probe (petrol engine)10A/15A
F22Clutch pedal switch, brake light switch5A
F23Engine components5A/10A/15A
F24Engine components10A
F25Left lighting (on-board power control)30A
F26Right lighting (on-board power control)30A
F27Secondary Air Pump/Glow Plug Timing Control Unit40A/50A
F28Power terminal 1540A
F29Fuses on the dashboard (optional equipment)50A
F30Power terminal 7550A

Version 2 (with 54 fuses)

Fuse kit for 2.0L FSI turbocharged and 3.2L V6 petrol engine models.

NO.ConsumerAmplifier
F1Anti-lock brake system (ABS) pump30A
F2Anti-lock braking system (ABS) valves30A
F3Free–
F4Battery voltage5A
F5Horn15A
F6Dosage Control Valve/Fuel Pump15A
F7Free–
F8Free–
F9Engine components10A
F10Air mass meter10A
F11Lambda probe before the catalytic converter10A
F12Lambda probe after the catalytic converter10A
F13Automatic gearbox15A
F14Free–
F15Water pump with active run-down cycle10A
F16Steering wheel electronics5A
F17Instrument panel5A
F18Audio amplifier30A
F19Radio equipment, navigation system15A/25A
F20Navigation system, mobile phone, TV device5A
F21Free–
F22Free–
F23Engine control unit, main relay10A
F24CAN data transmission control unit (gateway)5A
F25Free–
F26Free–
F27Free–
F28Engine control unit25A
F29Engine relay, engine components5A
F30Stationary heating20A
F31Windshield wiper system30A
F32Free–
F33Free–
F34Free–
F35Free–
F36Free–
F37Free–
F38Engine components10A
F39Clutch pedal switch, brake light switch5A
F40Ignition coils20A
F41Free–
F42Engine relay power supply5A
F43Ignition coils30A
F44Free–
F45Free–
F46Free–
F47Left lighting (on-board power control)30A
F48Right lighting (on-board power control)30A
F49Power terminal 1540A
F50Free–
F51Secondary air pump40A
F52Power terminal 7550A
F53Fuses on the dashboard (optional equipment)50A
F54Free–
Category: Audi Car Fuses

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