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Audi A4 (2008) - fuse box diagram

avatar Jonathan Yarden Jan 31, 2021 · 5 min. read

In this article you will find a description of fuses and relays Audi, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2008

Instrument panel (driver’s side)

Fuse carrier (black)

Number Electric equipment Ampere rattings [A]
1 Dynamic steering 5
2 Clutch sensor 5
3 Garage door opener 5
4 Audi lane assist 10
5 Air conditioner 5
6 Headlight range control (right) 5
7 Headlight range control (left) 5
8 Control unit 1 for vehicle’s electrical system 5
9 Interior mirrors 5
10 Selector gate 5
11 Heated washer jets 5
12 Air conditioner 5

 

Fuse carrier (brown)

Number Electric equipment Ampere rattings [A]
1 — —
2 Clutch sensor 5
3 Fuel pump (diesel/petrol) 20
25
4 Auxiliary water pump (3.2 FSI) 5
5 Seat heating (left-side) with/without seat ventilation 30
6 Electronic stabilisation program 10
7 Horn 25
8 Electric window motor (left door) 30
9 Wiper motor 30
10 Electronic stabilisation program 25
11 Door control unit (driver’s side) 15
12 Rain and light sensor 5

Fuse carrier (red)

Number Electric equipment Ampere rattings [A]
1 — —
2 — —
3 Lumbar support 10
4 Dynamic steering 35
5 Interior light 5
6 Control unit 1 for vehicle’s electrical system 35
7 Control unit 1 for vehicle’s electrical system 30
8 Control unit 1 for vehicle’s electrical system 30
9 Tilting panorama roof/sun roof 20
10 Control unit 1 for vehicle’s electrical system 30
11 — —
12 Convenience electronics 5

Instrument panel (passenger’s side)

Fuse carrier (black)

Number Electric equipment Ampere rattings [A]
1 — —
2 — —
3 — —
4 — —
5 Steering column switch module 5
6 Electronic Stabilisation Program 5
7 Diagnostic connector 5
8 Gateway (diagnostic interface for data bus) 5
9 — —
10 — —
11 — —
12 — —

Fuse carrier (brown)

Number Electric equipment Ampere rattings [A]
1 CD drive 5
2 Switch module for Audi drive select 5
3 MMI/Radio 10
20
4 Light switch 5
5 Control unit for instrument cluster 5
6 Ignition lock 5
7 — —
8 Air conditioner blower 40
9 Steering column lock 5
10 Air conditioner 10
11 Diagnostic connector 10
12 Steering column switch module 5

Luggage compartment

Fuse carrier (black)

Number Electric equipment Ampere rattings [A]
1 — —
2 Control unit for trailer 15
3 Control unit for trailer 20
4 Control unit for trailer 20
5 Electronic parking brake 5
6 Electronic suspension control 15
7 Electro-mechanical parking brake 30
8 Control unit 2 for vehicle’s electrical system 30
9 — —
10 Control unit 2 for vehicle’s electrical system 30
11 Control unit 2 for vehicle’s electrical system 20
12 — —

 

Fuse carrier (brown)

Number Electric equipment Ampere rattings [A]
1 Electrical socket 15
2 — —
3 Radio/navigation 7,5
4 Control unit for digital sound system 30
5 MMI 5
6 Door control unit (driver’s side) 30
7 Electro-mechanical parking brake 30
8 Seat heating, rear 30
9 Door control unit (passenger side) 30
10 Remote control receiver for auxiliary heating 5
11 Door control unit (passenger side) 15
12 Control unit for reversing camera 5

 

Fuse carrier (red)

Number Electric equipment Ampere rattings [A]
1 Socket, centre console, rear 15
2 Socket, centre console, front 15
3 Socket, luggage compartment 15
4 Cigarette lighter 15
5 Parking aid 5
6 Phone pre-installation without handsfree system (VDA interface) 5
7 Control unit for adaptive cruise control 15
8 — —
9 EPB switch (electro-mechanical parking brake) 5
10 Lane change assist feature 5
11 Seat heating, rear 5
12 Airbag 5

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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