Seat Leon 2018 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 | 20A | SCR, Adblue |
| 4 | 7.5A | Alarm horn |
| 5 | 5A | Gateway |
| 6 | 5A | Automatic gearbox lever |
| 7 | 10A | Air conditioning and heating control panel, heating the back window |
| 8 | 10A | Diagnosis, handbrake switch, light switch, reverse light, interior lighting, lit-up door sill |
| 9 | 5A | Steering column |
| 10 | 10A | Radio display |
| 11 | 40A | Left lights |
| 12 | 20A | Radio |
| 14 | 40A | Air conditioner fan |
| 15 | 10A | KESSY |
| 16 | 7.5A | Connectivity Box |
| 17 | 7.5A | Instrument panel, OCU |
| 18 | 7.5A | Rear camera |
| 19 | 7.5A | KESSY |
| 20 | 10/15A | SCR, engine relay, 1.5 |
| 21 | 15A | 4x4 Haldex Control Unit |
| 22 | 15A | Trailer |
| 23 | 30A | Sunroof |
| 24 | 40A | Right lights |
| 25 | 30A | Left door |
| 26 | 30A | Heated seats |
| 27 | 30A | Interior light |
| 28 | 25A | Trailer |
| 32 | 7.5A | Parking aid control unit, front camera, radar |
| 33 | 5A | Airbag |
| 34 | 7.5A | Reverse switch, climate sensor, electrochromic mirror |
| 35 | 10A | Diagnosis, headlight control unit, headlight adjuster |
| 36 | 10A | Right LED headlight |
| 37 | 10A | Left LED headlight |
| 38 | 25A | Trailer |
| 39 | 30A | Right door |
| 40 | 20A | 12V socket |
| 42 | 40A | Central locking |
| 43 | 30A | Beats Audio CAN and MOST |
| 44 | 15A | Trailer |
| 45 | 15A | Electric driver's seat |
| 47 | 15A | Rear window wiper |
| 49 | 5A | Starter motor; clutch sensor |
| 52 | 15A | Driving mode |
| 53 | 30A | Heated rear window |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 25A | ESP control unit |
| 2 | 40/60A | ESP control unit |
| 3 | 30/15A | Engine control unit (diesel/petrol) |
| 4 | 7.5/10A | Engine sensors |
| 5 | 7.5/10A | Engine sensors |
| 6 | 5A | Brake light sensor |
| 7 | 7.5/10A | Engine power supply |
| 8 | 10/15A | Lambda probe |
| 9 | 5/10/20A | Engine |
| 10 | 15A | Fuel pump control unit |
| 11 | 40A | PTC |
| 12 | 40A | PTC |
| 13 | 30A | Automatic gearbox pump |
| 15 | 15A | Horn |
| 16 | 7.5A | Fuel pump control unit |
| 17 | 7.5A | Engine control unit |
| 18 | 5A | Terminal 30 (positive reference) |
| 19 | 30A | Front windscreen washer |
| 21 | 15/30A | Automatic gearbox control unit |
| 22 | 5A | Engine control unit |
| 23 | 30A | Starter motor |
| 24 | 40A | PTC |
| 31 | 15A | Electronic differential CUPRA |
| 32 | 15A | Front electronic differential |
