Seat Leon 2005 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located under the instrument panel behind the cover on the driver’s side.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 10A | Diesel and petrol engine control unit |
| 2 | 5A | ABS/ESP control unit |
| 3 | 5A | Airbag control unit |
| 4 | 5A | Heating controls, pressure sensor, heated seats, ESP switch, reverse gear |
| 5 | 5A | Left and right headlamp motor, dimmer, GDL control unit |
| 6 | 5A | Gateway, Automatic gearbox lever |
| 7 | 5A | Windscreen relay, heated mirrors, VDA telephone |
| 8 | 5A | Trailer control unit |
| 9 | - | Vacant |
| 10 | - | Vacant |
| 11 | - | Vacant |
| 12 | 10A | Door control unit (autolock K3) |
| 13 | 10A | Diagnosis, light switch, brake |
| 14 | 5A | Automatic gearbox |
| 15 | 7.5A | Cable control unit |
| 16 | 10A | Heating controls / Air and air conditioning |
| 17 | 5A | Rain sensor |
| 18 | 5A | Automatic gearbox selector lever, parking aid control unit |
| 19 | - | Vacant |
| 20 | 5A | ESP control unit |
| 21 | 10A | D2L engine (20 147 kW) |
| 22 | 40A | Heater |
| 23 | 30A | Door control unit |
| 24 | 25A | Cigarette lighter |
| 25 | 25A | Cable control unit |
| 26 | 30A | 12 V power sockets |
| 27 | 15A | FSI capacity gauge control unit, fuel relay, EKP 1.6 relay |
| 28 | 25A | Comfort system control unit (without autolock 4F8) |
| 29 | 10A | Flowmeter, engine |
| 30 | 20A | Prewired |
| 31 | 20A | Vacuum pump |
| 32 | 30A | Door control unit |
| 33 | 30A | Sunroof |
| 34 | 25A | Comfort system control unit (autolock 4 K3) |
| 35 | 5A | Alarm sensor, horn |
| 36 | 20A | Headlight washer system |
| 37 | 30A | Seats |
| 38 | 10A | Engine |
| 39 | 20A | Automatic gearbox |
| 40 | 40A | Heater |
| 41 | 15A | Tailgate, power |
| 42 | 15A | Cable control unit |
| 43 | 15A | Trailer control unit |
| 44 | 20A | Trailer control unit |
| 45 | 15A | Trailer control unit |
| 46 | 5A | Heating jets, heating controls, air, air conditioning |
| 47 | 10A | Lambda probe |
| 48 | 10A | Lambda probe |
| 49 | 7.5A | Light switch |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| Left part | ||
| 1 | 30A | Wiper |
| 2 | 5A | Steering column |
| 3 | 5A | Cable control unit |
| 4 | 10A | ABS |
| 5 | 15A | AQ gearbox |
| 6 | 5A | Instrument panel |
| 7 | - | Vacant |
| 8 | 15A | Radio |
| 9 | 5A | Telephone |
| 10 |
5A 10A |
Main relay in the FSI / diesel engine compartment / injection module supply Main relay in the engine compartment D2L (2.0 FSI 147 kW) |
| 11 | - | Vacant |
| 12 | 5A | Gateway |
| 13 |
25A 30A |
Petrol injection module supply Diesel injection module supply |
| 14 | 20A | Coil |
| 15 |
5A 10A |
Engine T71 / 20 FSI Pump relay |
| 16 | 30A | ADS pump |
| 17 | 15A | Horn |
| 18 | - | Vacant |
| 19 | 30A | Clean |
| 20 | - | Vacant |
| 21 | 15A | Lambda probe |
| 22 | 5A | Brake pedal, speed sensor |
| 23 |
5A 10A 15A |
Engine 1.6, main relay (relay n° 100) T 71 diesel EGR 2.0 D2L High-pressure fuel pump |
| 24 | 10A | ARF, change valve |
| 25 | 40A | Right lighting |
| 26 | 40A | Left lighting |
| 27 |
40A 50A |
1.6 SLP engine 1.9 TDI Glow plug relay |
| 28 | 40A | KL15 |
| 29 |
50A 30A |
Electric windows (front and back) Electric windows (front) |
| 30 | 40A | Contact relief-relay |
| Side box | ||
| B1 |
150A 200A |
Alternator < 140 W Alternator > 140 W |
| C1 | 80A | Power steering |
| D1 | 100A | Multi-terminal voltage supply “30”. Internal fuse box |
| E1 | 50/80A | Ventilator < 500 W / Ventilator > 500 W |
| F1 | 100A | PTCs (Supplementary electrical heating using air) |
| G1 | 50A | Trailer fuse voltage supply in internal fuse box |
| H1 | - | Central locking control unit (4F8 with autolock) |
