Audi A8 (D3) (2002-2009) – fuse box

Audi A8 (D3) (4E) – fuse box diagram

Year of production: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009.

The cigarette lighter fuse on the Audi A8 D3 is fuse No. 36 / 20A and fuse No. 37 / 20A in fuse box No. 2 in the passenger compartment.

Locations

 

  1. Fuse box on the left dashboard;
  2. Relay and fuse box in the engine compartment;
  3. Relay and fuse box behind the dashboard;
  4. Fuse box on the dashboard on the right side;
  5. Fuses on the rack on the right;
  6. Fuse box at the foot of the passenger;
  7. 8. 9. 10. – Blocks with relays and fuses in the luggage compartment on the left and right sides, respectively.

Fuse box in passenger compartment on the left side

The scheme of the fuse box

Number Amperes [A] Description
1 5A Garage door opener (HomeLInk)
2 5A Parking assist control unit
3 5A Parking assist control unit
4 10 A. Headlamp range control
5 5A Instrument panel
6 10 A. Steering column control unit
7 5A On-board diagnostics
8 5A Oil level and temperature sensor;

On-board diagnostics.

9 5A ABS control unit;

Steering column control unit.

10 5A Data link connector
11 10 A. Lane detection control unit
12 5A Stop lights
13 10 A. Telephone control unit;

Telematics.

14 5A Special vehicle control unit
15 5A Start-up authorization control unit
16 10 A. Rear in-car entertainment
17 5A Adaptive cruise control unit
18 5A Heated washer nozzles
19 10 A. Special vehicle control unit
twenty 5A Tire pressure control system
21 5A Special vehicle control unit
22 5A Brake pedal switch
23 5A Telephone
24 15A Horn
25 40A Wiper motor
26 15A Special vehicle control unit
27 25A ABS control unit
28 Not used
29 1A Lighting, switch (s)
thirty Not used
31 30A Power control unit
32 5A Information display control
33 25A Rear left footwell heater
34 Not used
35 Not used
36 5A Lane change assistant control unit
37 15A Refrigerator box
38 30A Power control unit
39 7.5A Front left door control unit
40 25A Power control unit;

Steering column adjustment, vertical;

Steering column adjustment, horizontal.

41 7.5A Rear left door control unit
42 25A Entry and start the authorization control unit
43 10 A. Left turn signal
44 10 A. Right turn signal
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Fuse box 2 in the passenger compartment on the right-hand side

The scheme of the fuse box

Number Amperes [A] Description
1 5A Parking brake control unit
2 10 A. Climatronic control unit
3 5A Tiptronic switch;

“P” position switch (automatic gearbox);

Shift Lever Lock Solenoid.

4 15A Automatic gearbox control unit
5 15A Mass flow meter;

Secondary air pump relay;

Intake manifold valve control motor;

Throttle control motor with position sensor;

Exhaust gas recirculation solenoid;

Turbocharger controller;

Secondary air inlet valve;

Engine Mount Solenoid;

Torque converter clutch solenoid (automatic gearbox);

Spin control solenoid;

Intake manifold shutoff valve.

6 15A Oxygen sensor in front of the catalyst;

Oxygen sensor after catalytic converter.

7 15A Lambda probe after the catalyst;

Fuel pressure regulating solenoid;

Fuel metering solenoid.

8 10 A. Throttle control motor with position sensor;

Intake manifold valve control motor;

Engine Mount Solenoid;

Intake camshaft adjustment solenoid;

Exhaust gas recirculation solenoid;

Exhaust flap valve;

Torque converter clutch solenoid (automatic transmission);

Coolant circulation pump;

Spin control solenoid;

Intake manifold shutoff valve.

9 5A Heated rear seats switch;

Front passenger seat heater switch;

Air quality sensor;

Climatronic button;

TCS / ESP.

10 10 A. Adaptive damping control unit
11 5A Rain and light sensor
12 5A Vehicle information control unit
(also 7.5 A)
13 10 A. Control unit, roof electronics
14 5A CD changer;

DVD drive, CD-ROM.

15 5A Energy management control unit
16 5A Crankcase breather heater
(also 7.5A)
17 5A Cooling system
18 5A Airbag control unit;

Map reading lamp (s).

19 5A Mass air flow meter
20 Ventilation control;

Center console.

21 5A Engine controller Main relay
(also 5A)
22 10 A. Fuel cooling pump;

Fuel cooling pump relay.

23 5A Parking brake control unit
24 10 A. Power control unit
(also used 20A)
25 15A Automatic gearbox control unit
26 15A Rear air conditioning control unit(also 10 A)
27 20A Sliding roof controller
28 15A Fuel pump relay;

Fuel pump relay No. 2;

Brake servo relay;

Engine control unit
(also 5A).

29 30A Injectors
(also 15A)
30 Ignition coils;

Engine control unit.

31 15A Canister purge solenoid valve;

Additional fuel pump;

Fuel pump controller
(also 40A).

32 25A Automatic gearbox control unit
(also 10A and 5A)
33 25A Rear leg heating on the right
34 20A Heated rear seats;

Seat ventilation;

Climatronic.

35 20A Climatronic air conditioning controller;

Seat heating controller.

36 20A Lighter
37 20A 12V cigarette lighter socket
(also 30A and 25A)
38 20A Cooling fan
39 15A Front left door control unit
(also 7.5 A)
40 15A Brake servo relay;

Brake vacuum pump.

41 15A Rear right door control unit
(also 7.5 A)
42 20A Additional heater
43 20A Headlight washer relay
(also 30A)
44 15A Air conditioning blower;

Trailer connector socket
(30A also used).

Fuse and relay No. 2 in the passenger compartment (passenger footwell)

Number Amperes [A] Description
1 30A Right front window
2 30A Seat adjustment
3 30A Blower;

Right front window

4 30A Seat adjustment
5 Not used
6 Not used
R1 Cooling fan relay;

Fuel cooling pump relay;

Brake servo relay;

Relay, additional coolant pump;

Coolant circulation relay.

R2 Starter motor relay
R3 Starter motor relay
R4 Fuel pump relay;

Power relay.

R5 Headlight washer relay

 

Main fuse in passenger compartment in footwell (right side)

Fuse 1 (60.0 A) – Cooling fan
Fuse 2 (60.0 A) – Cooling fan 2

 

Fuse box in the left side of the trunk

Number Amperes [A] Description
1 Not used
2 Not used
3 Not used
4 Not used
5 30A Digital sound pack control unit
6 5A Navigation control unit
7 10 A. TV tuner
8 5A Reversing camera system
9 5A Radio
10 15A Subwoofer control unit
(also 30A)
11 20A 12V socket
12 15A Additional heater remote control receiver
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Fuse box in the trunk on the right side

 

Number Amperes [A] Description
A 40A Heated rear window
B 30A Rear seat adjustment
(also 40A)
C. 30A Rear seat adjustment
D 15A Communication system
1 20A Fuel pump
2 20A Fuel pump
3 15A Trailer connector socket
4 5A GPS system
5 20A Comfort system control unit
6 10 A. 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
(also 20A)
11 15A Trailer detection control unit
(also 20A)
12 15A Trailer detection control unit
Fuse 1 150A Power Supply
Fuse 2 60A Radio;

Navigation System;

TV tuner.

Fuse 3 110 Heated rear window
R1 Heated rear window relay
R2 Power relay
R3 Fuel pump relay;

Fuel pump relay No. 2;

Additional fuel pump relay.

 

Fuse and relay box in the engine compartment

Number Amperes [A] Description
1 Not used
2 50 Secondary air pump;

Glow plug
(also 60 A)
(also 80 A)

3 50 Secondary air pump;

Glow plug
(also 60 A)
(also 80 A).

4 Not used
5 Not used
6 Not used
7 Not used
R1 Glow plug relay;

Secondary air pump relay

R2 Glow plug relay;

Secondary air pump relay;

Main relay.

R3 Glow plug relay;

Secondary air pump relay;

Main relay.

R4 Not used

 

Fuse and relay box to the left of the driver’s footwell

Number Amperes [A] Description
1 60A ABS control unit
2 40A Leveling system
3 30A Window lifter
(also 40A 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
R5 Alarm system control unit (taxi)
R6 Terminal 75 voltage supply relay
R7
R8
R9
R10

 

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