Audi TT 8N (1998-2006) – Fuse Box Diagrams

Audi TT 8N – fuse box diagram

Year of production: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006.

Cigarette lighter fuse Audi TT 8N – (fuse box in the passenger compartment, fuse No. 41 / 15A)

Fuse box in passenger compartment

The scheme of the fuse box

No	Amperes [A]	Description
1	10 A.	Heated mirrors; Heated pads;
2	10 A.	Direction indicators
3	5A	Glove box lighting; Air conditioning; Front fog lamp relay.
4	5A	License plate light)
5	7.5A	Electricity of the comfort system; Navigation system; Garage door opening.
6	5A	Central lock
7	10 A.	Reversing lamp (s); Diagnostic connector.
8	5A	Telephone
9	5A	Electronic Stability Program ABS (ESP)
10	10 A.	S contact
11	5A	Dashboard; Headlamp leveling.
12	7.5A	Diagnostic connector; Telephone; Navigation system.
13	10 A.	Stop lights
14	10 A.	Central lock; Indoor lighting.
15	5A	Instrument panel; Steering angle sensor; Automatic gearbox control unit.
16	10 A.	Cooling fan control unit
17	Not used
18	10 A.	Right main beam
19	10 A.	Left main beam
twenty	15A	Right dipped beam; Headlamp leveling.
21	15A	Left dipped beam; Headlamp leveling.
22	5A	Right front position lamp; Right rear light.
23	5A	Left front position lamp; Left rear light.
24	20A	Windshield wipers; Windscreen washers.
25	25A	Blower; Air conditioning.
26	25A	Heated rear window
27	30A	Wind deflector (convertible)
28	20A	Fuel pump
29	15A	Engine management
thirty	Not used
31	5A	Haldex clutch
32	10 A.	Engine management; Fuel Injection.
33	20A	Headlight washers (also 30 A)
34	10 A.	Engine control; Camshaft timing solenoid.
35	Not used
36	15A	Front fog lights; Rear fog lamp (s).
37	20A	Engine management
38	15A	Immobilizer with central locking
39	15A	Emergency lights
40	20A	Horn
41	15A	Lighter
42	20A	Radio
43	10 A.	Engine management; Vapor Canister Purge Solenoid; Heated lambda probe (also used 15A).
44	15A	Heated seats

Relay box with 13 relays (from 1999)

Relay R1 – Not used;
Relay R2 – Bulb control control unit;
Relay R3 – Bulb control control unit;
Relay R4 – Front fog lights;
R5 relay – Immobilizer;
Relay R6 – No information available;
Relay R7 – No information available;
Relay R8 – No information available;
Relay R9 – No information available;
Relay R10 – Heated rear window;
Relay R11 – No information available;
R12 relay – Fairing (convertible);
Relay R13 – Coolant level.

Relay box with 13 relays (from 2003).

Relay R1 – Not used;
Relay R2 – Bulb control control unit;
Relay R3 – Bulb control control unit;
Relay R4 – Fog lamp relay;
R5 relay – Immobilizer;
Relay R6 – Not used;
Relay R7 – Brake light suppression relay;
Relay R8 – Not used;
Relay R9 – Not used;

Relay R10 – Relay for heated rear window;
R11 relay – Immobilizer relay;

R12 – Fairing;
Relay R13 – Coolant circulation relay.

Relay in passenger compartment

Fuse 1 – Folding roof;
Fuse 2 – Not used;
Fuse 3 – Window (s);
Relay R1 – Horn;
Relay R2 – Contact X relief;
Relay R3 – Not used;
Relay R4 – Fuel pump;
Relay R5 – Windshield washers;
Relay R6 – Windshield washers.

Fuse box in the engine compartment of the Audi TT

Fuse 1 – Cooling fan;
Fuse 2 – ABS valves;
Fuse 3 – ABS pump;
FL1 fuse –
Alternator fuse FL2 –
Internal fuse FL3 – Cooling fan 2;
FL4 fuse – Engine control system;

Fuse FL5 – Secondary air injection pump.

Relay box in the engine compartment

Fuse 1 – Hydraulic pump;
Fuse 2 – Secondary air injection pump;
Fuse 3 – Not used;
Fuse 4 – Not used;
Fuse 5 –
Gearbox fuse 6 – Not used;
Relay R1 – Motronic power supply relay;
Relay R2 – Secondary air injection pump relay;
Relay R3 – Not used.