Smart Fortwo 2009 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located on the driver’s side below the instrument panel.
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 25A | Engine |
| 2 | 25A | Windshield wipers |
| 3 | 20A | Power window, left and right |
| 4 | 25A | Blower |
| 5 | 10A | Front fog lamps |
| 6 | 7.5A | Right parking lamp, license plate lamps |
| 7 | 7.5A | Left parking lamp |
| 8 | 25A | Engine |
| 9 | 7.5A | Engine |
| 10 | 15A | Engine |
| 11 | 25A | ESP® |
| 12 | 10A | Switches strip, on-board diagnostics socket, turn signal lamps, transmission control unit, exterior lamp switch |
| 13 | 15A | Spare fuse (without function) |
| 14 | 15A | Charge air cooler, air conditioning compressor |
| 15 | 15A | Audio, subwoofer, interior lighting, soft top (cabriolet only) |
| 16 | 15A | Fuel pump |
| 17 | 15A | Rear window wiper (coupé only) |
| 18 | 10A | ESP®, power steering, air bag, instrument panel |
| 19 | 7.5A | Engine control unit, on-board diagnostics socket, transmission control unit |
| 20 | 10A | Air conditioning system, exterior rear view mirror adjustment, washer pump, audio, seat heating, gear selector lever control unit, wiper switch |
| 21 | 15A | Auxiliary power outlet, cigarette lighter |
| 22 | 7.5A | Left low‑beam headlamp |
| 23 | 7.5A | Right low‑beam headlamp |
| 24 | 15A | Brake lamps, rain-light sensor |
| 25 | 7.5A | Right high‑beam headlamp |
| 26 | 7.5A | Left high‑beam headlamp |
| 27 | 7.5A | Engine |
| 28 | 40A | Rear window defroster, radiator fan |
| 29 | 30A | Soft top (cabriolet only) |
| 30 | 40A | Transmission |
| 31 | 20A | Horn, doors, central locking |
| 32 | - | - |
| 33 | 50A | Ignition |
| 34 | 40A | ESP® |
| 35 | 30A | Power steering |
| R1 | 7.5A | Exterior rear view mirror heating |
| R2 | - | - |
| R3 | - | Backup (ignition) |
| R4 | - | Backup (ignition) |
| R5 | - | Backup (batt. +) |
| R6 | - | Backup (batt. +) |
| R7 | - | Backup (batt. +) |
| R8 | - | Backup (batt. +) |
| R9 | 20A | Seat heating |
