Seat Leon (2009) – fuse box diagram
Year of production: 2009
Fuses on the left side of the dashboard
| Number | Component | Ampers |
| 1 | Diagnosis Switchgear / Instrument lighting / Headlight dashboard / Flow meter / Heated wipers / Engine management / AFS headlights | 10 |
| 2) | Engine control unit / ABS-ESP dashboard / Automatic transmission / Instrument panel / Trailer dashboard / Light switch / Brake sensor / Powersteering / Right and left headlights | 10 |
| 3) | Airbag | 5 |
| 4 | Heating / reverse switch / ASR-ESP switch / electrochromic mirror / parking sensor / oil level sensor | 5 |
| 5 | Right xenon headlight | 10 |
| 6 | Left xenon headlight | 10 |
| 7 | – | – |
| 8 | Assist before installing trailer hitch | 5 |
| 9 | – | – |
| 10 | – | – |
| 11 | – | – |
| 12 | Central locking system | 15 |
| 13 | Diagnosis / Light switch / Rain sensor / Heated rear window | 10 |
| 14 | Automatic transmission / Heating / ESP switchgear / Automatic transmission lever | 5 |
| 15 | – | – |
| 16 | – | – |
| 17 | Alarm | 5 |
| 18 | Combination / levers with START STOP | 5 |
| 19 | Fog light assist | 20 |
| 20 | Navigation / radio with START STOP | 15 |
| 21 | Engine management | 10 |
| 22 | Fan switch | 40 |
| 23 | Electric windows (front) | 30 |
| 24 | Body control unit | 20 |
| 25 | Rear window heating | 25 |
| 26 | Electric rear windows | 30 |
| 27 | Engine (fuel control unit / pump relay) | 15 |
| 28 | Convenience control | 30 |
| 29 | – | – |
| 30 | Automatic transmission | 20 |
| 31 | Vacuum pump | 20 |
| 32 | – | – |
| 33 | Sunroof | 25 |
| 34 | Comfort control panel / central locking | 25 |
| 35 | – | – |
| 36 | Headlight washer system | 20 |
| 37 | Heated seats | 30 |
| 38 | Engine management | 10 |
| 39 | START STOP Phone | 10 |
| 40 | Fan switch | 40 |
| 41 | Rear wiper motor / instrument panel wiring | 20 |
| 42 | 12 V socket / cigarette lighter | 15 |
| 43 | Pre-installation of trailer bracket | 15 |
| 44 | Initial installation of the trailer support | 20 |
| 45 | Initial installation of the trailer support | 15 |
| 46 | – | – |
| 47 | Engine management | 10 |
| 48 | Engine management | 10 |
| 49 | – | – |
Fuse system, engine compartment, left side
| Number | Component | Ampers |
| 1 | Wipers | 30 |
| 2) | Gearbox DQ200 | 30 |
| 3) | Cable controller | 5 |
| 4 | ABS | 20 |
| 5 | AQ gearbox | 15 |
| 6 | Dashboard / steering column | 5 |
| 7 | Ignition key | 40 |
| 8 | Radio | 15 |
| 9 | Phone / TomTom Navigator | 5 |
| 10 | Engine management | 5 |
| Engine management | 10 | |
| 11 | – | – |
| 12 | Electronic control unit | 5 |
| 13 | Gasoline injection module power supply | 15 |
| Power supply for diesel injection module | 30 | |
| 14 | Coil | 20 |
| 15 | Engine management | 5 |
| Pump relay | 10 | |
| 16 | Proper lighting | 30 |
| 17 | Corner | 15 |
| 18 | – | – |
| 19 | Clean | 30 |
| 20 | Water pump | 10 |
| Pressure sensor pump for 1.8 engine | 20 | |
| 21 * | Lambda probe | 15 |
| 22 | Brake pedal, speed sensor | 5 |
| 23 * | Engine management | 5 |
| Engine management | 10 | |
| Engine management | 15 | |
| 24 | AKF, transmission valve | 10 |
| 25 * | ABS pump | 40 |
| 26 | Left-hand lighting | 30 |
| 27 * | Engine management | 40 |
| Motor management | 50 | |
| 28 | – | – |
| 29 | Electric windows (front and rear) | 50 |
| Electric windows (front) | 30 | |
| 30 | Ignition key | 50 |
| * Ampere current according to automotive. | ||