Jonathan Yarden Feb 11, 2021 · 5 min. read
In this article you will find a description of fuses and relays Smart,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2003, 2004, 2005
Fuse box, front
| № |
A |
Consumers |
| 1 | 25 | Starter |
| 2 | 20 | Windscreen wipers, washer pump |
| 3 | 20 | Heater blower, seat heater |
| 4 | 30 | Power windows, L. & R. |
| 5 | 7.5 | Light switch |
| 6 | 7.5 | Parking lights/tail lights, R. |
| 7 | 7.5 | Parking lights/tail lights, L. |
| 8 | 20 | Terminal 87/3 master relay (engine) |
| 9 | 10 | Terminal 87/2 master relay (engine) |
| 10 | 15 | Terminal 87/1 master relay (engine) |
| 11 | 7.5 | Instrument cluster, safety cluster, OBD, Horn (only with leather sport steering wheel with steering wheel rocker switch system) |
| 12 | 15 | Radio CD, interior light |
| 13 | 15 | Fog lamps |
| 14 | 25 | ESP valves |
| 15 | 15 | Charge air cooler, Air conditioning compressor |
| 16 | 10 | Electric fuel pump |
| 17 | 15 | Rear window wiper |
| 18 | 7.5 | Airbag triggering device, ESP |
| 19 | 7.5 | Mirror adjustment |
| 20 | 15 | Radio, CD, instrument cluster, tachometer, OBD, backup lamp, CD changer |
| 21 | 15 | Power socket, Cigarette lighter |
| 22 | 7.5 | Low beam light, R. |
| 23 | 7.5 | Low beam light, L. |
| 24 | 7.5 | High beam light, R. |
| 25 | 7.5 | High beam light, L./combined light |
| 26 | 15 | Brake light |
| 27 | 7.5 | Engine control unit |
| 28 | 30 | Rear window heater/engine fan |
| 29 | 30 | Soft top |
| 30 | 40 | Manual gearbox |
| 31 | 30 | Horn, central locking, rear lid remote unlocking |
| 36 | – | Backup fuse 15 |
| 37 | 15 | Backup fuse 15 (W450, glass sliding roof) |
| 38 | – | Backup fuse 15 |
| 39 | – | Backup fuse 15 |
| 40 | – | Backup fuse 30 |
| 41 | – | Backup fuse 30 |
| 42 | – | Backup fuse 30 |
| 43 | 25 | Backup fuse 30 |
| 44 | 25 | Backup fuse 30, seat heater |
Fuse box, rear
| № |
A |
Consumers |
| 32 | 30 | Secondary air injection pump (emission control) |
| 33 | 50 | Ignition switch |
| 34 | 50 | ESP control unit |
| 35 | 30 | Steering assist control unit |
Retaining frame with plug positions for relay
| No. |
Switched function |
| A | Wiper system relay |
| B | Fog lamp relay |
| C | Left heated seat control unit |
| D | Right heated seat control unit |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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