
Seat Leon 2012 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 |
| 2 | - | Vacant |
| 4 | 10A | Alarm |
| 5 | 5A | Gateway |
| 6 | 5A | Anti-theft alarm system |
| 7 | 10A | Air conditioner/heating control panel, selector lever (automatic gearbox), relay coil, rear window heating, additional heating |
| 8 | 10A | Diagnosis, handbrake switch, light switch, reverse light, interior lighting |
| 9 | - | Vacant |
| 10 | 10A | Radio display |
| 11 | - | Vacant |
| 12 | 20A | Radio |
| 13 | - | Vacant |
| 14 | 40A | Air conditioner fan |
| 15 | - | Vacant |
| 16 | - | Vacant |
| 17 | 5A | Instrument panel |
| 18 | - | Vacant |
| 19 | - | Vacant |
| 20 | - | Vacant |
| 23 | 40A | Right lights |
| 24 | 30A | Sunroof |
| 25 | 30A | Left door |
| 26 | 30A | Heated seats |
| 27 | - | Vacant |
| 28 | - | Vacant |
| 29 | - | Vacant |
| 30 | - | Vacant |
| 31 | 40A | Left lights |
| 32 | 7.5A | Parking aid control unit |
| 33 | 5A | Airbag |
| 34 | 7.5A | Reverse switch, clima sensor, electrochromic mirror |
| 35 | 10A | Diagnosis, headlight control unit, headlight adjuster |
| 36 | 10A | Front camera |
| 37 | - | Vacant |
| 38 | - | Vacant |
| 39 | 30A | Right door |
| 40 | 20A | 12V socket |
| 41 | 20A | Steering column |
| 42 | 40A | Central locking |
| 43 | 30A | Interior light |
| 44 | - | Vacant |
| 45 | - | Vacant |
| 47 | 15A | Rear window wiper |
| 49 | 5A | Starter motor; clutch sensor |
| 51 | - | Vacant |
| 53 | 30A | Heated rear window |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | - | Vacant |
| 2 | 40A | ESC control unit |
| 3 | 15/30A | Engine control unit (diesel/petrol) |
| 4 | 5/10A | Engine sensors |
| 5 | 7.5/10A | Engine sensors |
| 6 | 5A | Brake light sensor |
| 7 | 5/10A | Engine power supply |
| 8 | 10A | Lambda probe |
| 9 | 5/10/20A | Engine |
| 10 | 15/20A | Fuel pump control unit |
| 11 | 40A | PTC |
| 12 | 40A | PTC |
| 13 | 15/30A | Automatic gearbox control unit |
| 15 | 15A | Horn |
| 16 | 20A | Fuel pump control unit |
| 17 | 7.5A | Engine control unit |
| 18 | 5A | Terminal 30 (positive reference) |
| 19 | 30A | Front windscreen washer |
| 20 | 10A | Alarm horn |
| 22 | 5A | Engine control unit |
| 23 | 30A | Starter motor |
| 24 | 40A | PTC |
| 31 | - | Vacant |
| 32 | - | Vacant |
| 37 | - | Vacant |





