Audi A3 (8L, 1996 - 2003) fuses and relays

The Audi A3 is a small family class hatchback produced by the German concern since 1996. In 2000, the model went through a restyling. In this material, we will analyze in detail the fuse diagrams of the Audi A3 (8L) of the 1st generation 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 of release.

General view of the car.
Here you will find the locations and photos of the mounting blocks. Separately, we note the fuses responsible for the cigarette lighter and fuel pump.

In the underhood space

The location of the fuse boxes in the engine compartment of the car
There are two blocks in the engine compartment:

  • No. 1 - power unit on the battery,
  • No. 2 - an additional block of relays and fuses.
Description of the power unit on the battery

General form.

Diagram.
No. Purpose
1 Description of elements
2 Heating of glow plugs (diesel engine)
3 Engine management system
4 Coolant fan 2
5 Salon
6 Generator
1a (hydraulic pump)
2a ABS (valves)
3a Coolant fan
Description of the additional underhood fuse and relay box (No. 2 in the picture)

General form.

Diagram.
No. Purpose
1 Relay for the air supply pump to the outlet;
2 Engine control relay;
3 Vacuum pump for brake booster 20A
4 Air outlet pump 40A

In the cabin

Location of the fuse box in the passenger compartment
The main unit is located at the end of the dashboard on the driver's side. For access, you need to pry off the lining with a screwdriver, remove it.


Photo is an example.

Assigment of fuses in the passenger compartment
No. Description A
1 Heated washer nozzles, heated exterior mirror 10
2 direction indicators 10
3 Glove box lighting 5
4 License plate lighting 5
5 Electrical comfort equipment, speed control, seat heating, air conditioning 7.5
6 Single lock 5
7 reversing lights 10
8 Telephone 5
9 ABS control unit 5
10 Engine management: gasoline engine 10
11 Instrument panel block, selector lock solenoid for AT 5
12 Self-diagnosis power supply, telephone, navigation system 7.5
13 Stop lights 10
14 Interior lighting, single lock 10
Salon lamp 5
15 Instrument panel unit, AT, auto-dimming interior mirror 5
16 Electromagnetic clutch, radiator cooling fan overrun, windshield washer 10
17 Heated door lock 7.5
18 High beam right 10
19 High beam left 10
20 Dipped beam right, beam range adjustment 10
21 Dipped beam left 10
22 Position and parking light, right 5
23 Position and parking light, left 5
24 Wiper, water pump 20
25 Fresh air fan, circulation ventilation, air conditioning 25
26 Heated rear window, heated mirror 20
27 Rear window cleaner 10
28 Fuel pump fuse 15
29 Engine management: gasoline engine 15
Engine control: diesel engine 10
30 Sliding roof panel (sunroof) 20
31 automatic transmission 20
32 Engine management: gasoline engine 10
30 Engine control: diesel engine  
33 headlamp cleaner 20
34 Engine management 10
35 Trailer socket (positive continuous plus) 30
36 Fog lamp and fog lamp 15
37 S-pin, terminal 86 (radio) 10
38 Trunk lighting, single lock, power windows 15
39 Alarm 15
40 Sound signal 20
41 Cigarette lighter fuse A3 15
42 Radio 25
43 Engine management 10
44 seat heating 15

Location of the relay box in the passenger compartment
The central relay box is located under the dashboard.

Diagram
No. Purpose
1 Horn relay
2 Lamp control relays, rear
3
4 Mirror cover control device
5
6 Telephone isolation relay
7 Free
8 Free
9 Free
10 Free
11 Starter and reversing light relay
12 Headlight cleaner relay
13 Radiator fan freewheel relay (air conditioner)
I dual tone horn relay
II unloading relay X-contact
III wiper interval automatic relay
IV fuel pump relay or glow plug relay
V diesel injection relay
VI fog light relay
A electric seat heating fuse
B No
C power window fuse
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