For the Audi A8 (D3) (4E) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 model year.
| Cigarette lighter fuse – (fuse box №2 in passenger compartment, fuse №36/20A and fuse №37/20A) |
Fuse box in passenger compartment.
fuse box location.
fuse box diagram.
legend.
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | 5A | Garage door opener |
| 2 | 5A | Parking assistance control unit |
| 3 | 5A | Parking assistance control unit |
| 4 | 10A | Headlight range control |
| 5 | 5A | Instrument panel |
| 6 | 10A | Steering column control unit |
| 7 | 5A | On-board diagnostic |
| 8 | 5A | Oil level and temperature sensor On-board diagnostic |
| 9 | 5A | ABS control unit Steering column control unit |
| 10 | 5A | Data link connector |
| 11 | 10A | Lane detection control unit Or Not used |
| 12 | 5A | Brake lights |
| 13 | 10A | Telephone control unit Telematics |
| 14 | 5A | Special vehicle control unit |
| 15 | 5A | Entry and start authorisation control unit |
| 16 | 10A | Rear in-car entertainment |
| 17 | 5A | Adaptive cruise control unit |
| 18 | 5A | Heated washer jets |
| 19 | 10A | Special vehicle control unit Or Not used |
| 20 | 5A | Tyre pressure control system |
| 21 | 5A | Special vehicle control unit Or Not used |
| 22 | 5A | Brake pedal switch |
| 23 | 5A | Telephone Or Not used |
| 24 | 15A | Horn |
| 25 | 40A | Wiper motor |
| 26 | 15A | Special vehicle control unit Or Not used |
| 27 | 25A | ABS control unit |
| 28 | Not used | |
| 29 | 1A | Illumination, switch(es) |
| 30 | Not used | |
| 31 | 30A | Power supply control unit |
| 32 | 5A | Information display control Or Not used |
| 33 | 25A | Rear left footwell heater |
| 34 | Not used | |
| 35 | Not used | |
| 36 | 5A | Lane change assist control unit Or Not used |
| 37 | 15A | Cooler box Or Not used |
| 38 | 30A | Power supply control unit |
| 39 | 7,5A | Door control unit, front left |
| 40 | 25A | Power supply control unit Steering column adjustment, vertical Steering column adjustment, horizontal |
| 41 | 7,5A | Door control unit, rear left |
| 42 | 25A | Entry and start authorisation control unit |
| 43 | 10A | Left cornering light Or Not used |
| 44 | 10A | Right cornering light Or Not used |
Fuse box №2 in passenger compartment Audi A8 D3.
fuse box location.
fuse box diagram.
legend.
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | 5A | Parking brake control unit |
| 2 | 10A | Climatronic control unit |
| 3 | 5A | Tiptronic switch 'P' position switch (automatic transmission) Selector lever lock solenoid |
| 4 | 15A | Automatic transmission control unit |
| 5 | 15A | Mass airflow meter Secondary air pump relay Inlet manifold valve control motor Throttle control motor with position sensor Exhaust gas recirculation solenoid Turbocharger control unit Secondary air inlet valve Engine mounting solenoid Torque converter clutch solenoid (automatic transmission) Swirl control solenoid Inlet manifold shut-off valve |
| 6 | 15A | Oxygen sensor in front of the catalytic converter Oxygen sensor behind the catalytic converter |
| 7 | 15A | Oxygen sensor behind the catalytic converter Fuel pressure control solenoid Fuel metering solenoid |
| 8 | 10A | Throttle control motor with position sensor Inlet manifold valve control motor Engine mounting solenoid Inlet camshaft timing solenoids Exhaust gas recirculation solenoid Exhaust flap valve Torque converter clutch solenoid (automatic transmission) Coolant circulation pump Swirl control solenoid Inlet manifold shut-off valve |
| 9 | 5A | Heated rear seat(s) switch Heated front passenger's seat switch Air quality sensor Climatronic TCS/ESP button |
| 10 | 10A | Adaptive damping control unit |
| 11 | 5A | Rain and light sensor |
| 12 | 5A | Vehicle information control unit (7.5A also used) |
| 13 | 10A | Control unit, roof electronics |
| 14 | 5A | CD changer DVD CD-ROM drive |
| 15 | 5A | Power management control unit |
| 16 | 5A | Crankcase breather heater (7.5A also used) |
| 17 | 5A | Cooling system or not used |
| 18 | 5A | Airbag control unit Or Map reading light(s) Or Not used |
| 19 | 5A | Mass airflow meter |
| 20 | 5A | Ventilation control Centre console unit |
| 21 | 5A | Engine control unit Main relay (5A also used) |
| 22 | 10A | Fuel cooling pump Fuel cooling pump relay |
| 23 | 5A | Parking brake control unit |
| 24 | 10A | Power supply control unit (20A also used) |
| 25 | 15A | Automatic transmission control unit |
| 26 | 15A | Climatronic control unit Rear climatronic control unit (10A also used) |
| 27 | 20A | Sliding roof control unit |
| 28 | 15A | Fuel pump relay Fuel pump relay No. 2 Brake servo relay Engine control unit (5A also used) |
| 29 | 30A | Injectors (15A also used) |
| 30 | 20A | Ignition coils Engine control unit |
| 31 | 15A | Canister purge solenoid Additional fuel pump Fuel pump control unit (40A also used) |
| 32 | 25A | Automatic transmission control unit (10A also used) (5A also used) |
| 33 | 25A | Rear right footwell heater |
| 34 | 20A | Heated rear seat(s) Seat ventilation Climatronic |
| 35 | 20A | Climatronic control unit Heated seat ventilation control unit |
| 36 | 20A | Cigarette lighter |
| 37 | 20A | Cigarette lighter 12V socket (30A also used) (25A also used) |
| 38 | 20A | Cooling fan Or Not used |
| 39 | 15A | Door control unit, front left (7.5A also used) |
| 40 | 15A | Brake servo relay Brake vacuum pump |
| 41 | 15A | Door control unit, rear right (7.5A also used) |
| 42 | 20A | Additional heater |
| 43 | 20A | Headlight washer relay (30A also used) |
| 44 | 15A | Air-conditioning blower Trailer connector socket (30A also used) |
Fuse and relay №2 in passenger compartment.
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | 30A | Front right window Or Not used |
| 2 | 30A | Seat adjustment |
| 3 | 30A | Blower Or Front right window Or Not used |
| 4 | 30A | Seat adjustment |
| 5 | Not used | |
| 6 | Not used | |
| R1 | Cooling fan relay Or Fuel cooling pump relay Or Brake servo relay Or Relay, additional coolant pump Coolant circulation relay | |
| R2 | Starter motor relay | |
| R3 | Starter motor relay | |
| R4 | Fuel pump relay Or Power supply relay | |
| R5 | Headlight washer relay |
Main fuse in passenger compartment.
Fuse 1 (60.0 A) – Cooling fan
Fuse 2 (60.0 A) – Cooling fan 2
Fuse box in luggage compartment.
fuse box location (left side).
fuse box diagram.
legend.
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | Not used | |
| 2 | Not used | |
| 3 | Not used | |
| 4 | Not used | |
| 5 | 30A | Digital sound package control unit |
| 6 | 5A | Navigation control unit |
| 7 | 10A | TV tuner or not used |
| 8 | 5A | Rear-view camera system |
| 9 | 5A | Radio Or Not used |
| 10 | 15A | Subwoofer control unit (30A also used) |
| 11 | 20A | 12V socket |
| 12 | 15A | Additional heater remote control receiver |
Fuse box in luggage compartment (right side).
fuse box diagram.
legend.
| Fuse | Amps | Circuits protected |
|---|---|---|
| A | 40A | Heated rear windscreen |
| B | 30A | Rear seat adjustment Or Fuel pump (40A also used) |
| C | 30A | Rear seat adjustment |
| D | 15A | Communication system Or Not used |
| 1 | 20A | Fuel pump |
| 2 | 20A | Fuel pump |
| 3 | 15A | Trailer connector socket Or Not used |
| 4 | 5A | GPS system Or Not used |
| 5 | 20A | Comfort system control unit |
| 6 | 10A | Comfort system control unit |
| 7 | 20A | Comfort system control unit |
| 8 | 30A | Electric parking brake |
| 9 | 30A | Electric parking brake |
| 10 | 15A | Trailer detection control unit (20A also used) |
| 11 | 15A | Trailer detection control unit (20A also used) |
| 12 | 15A | Trailer detection control unit |
| Fuse 1 | 150A | Power supply |
| Fuse 2 | 60A | Radio Navigation system TV tuner |
| Fuse 3 | 110 | Heated rear windscreen |
| R1 | Heated rear windscreen relay | |
| R2 | Power supply relay or not used | |
| R3 | Fuel pump relay Or Fuel pump relay No. 2 Or Additional relay, fuel pump |
Fuse and relay box in engine compartment.
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | Not used | |
| 2 | 50 | Secondary air pump Or Glow plug (60A also used) (80A also used) |
| 3 | 50 | Secondary air pump Or Glow plug (60A also used) (80A also used) |
| 4 | Not used | |
| 5 | Not used | |
| 6 | Not used | |
| 7 | Not used | |
| R1 | Glow plug relay Or Secondary air pump relay | |
| R2 | Glow plug relay Or Secondary air pump relay Or Main relay | |
| R3 | Glow plug relay Or Secondary air pump relay Or Main relay | |
| R4 | Not used |
Fuse and relay box №1 in engine compartment.
fuse box diagram.
legend
| Fuse | Amps | Circuits protected |
|---|---|---|
| 1 | 60A | ABS control unit |
| 2 | 40A | Levelling system |
| 3 | 30A | Window regulator (40A also used) |
| 4 | 30A | Seat adjustment |
| 5 | 30A | Seat adjustment |
| 6 | Not used | |
| 7 | Not used | |
| 8 | Not used | |
| R1 | Adaptive suspension compressor relay | |
| R2 | Horn relay | |
| R3 | Terminal 15 voltage supply relay | |
| R4 | Washer fluid heater relay Or Not used | |
| R5 | Relay R5 Alarm system control unit (taxi) Or Not used | |
| R6 | Terminal 75 voltage supply relay | |
| R7 | ||
| R8 | ||
| R9 | ||
| R10 |