Smart Fortwo 2012 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 | Passenger compartment blower (HVAC) |
| 5 | 10A | Front fog lamps |
| 6 | 7.5A | Right parking lamp, right tail lamp, license plate lamps |
| 7 | 7.5A | Left parking lamp, left tail lamp |
| 8 | 25A | Engine |
| 9 | 7.5A | Engine |
| 10 | 15A | Engine |
| 11 | 25A | ESP® control unit |
| 12 | 10A | Cockpit switch module, on-board diagnostics socket, turn signal lamp switch, transmission control unit, exterior lamp switch, anti-theft warning system, rain-light sensor, auxiliary instruments, central locking system, instrument cluster, exterior rear view mirror heating, Tire Pressure Monitoring System (TPMS) |
| 13 | - | - |
| 14 | 15A | Air conditioning compressor |
| 15 | 15A | Audio, subwoofer, sound system, soft top (cabriolet only) |
| 16 | 15A | Fuel pump with fuel level sensor |
| 17 | 15A | Rear window wiper (coupé only) |
| 18 | 10A | ESP® control unit, EPS control unit, restraint system, instrument cluster |
| 19 | 7.5A | Engine control unit, on-board diagnostics socket, transmission control unit, Tire Pressure Monitoring System (TPMS) |
| 20 | 10A | Air conditioning system, exterior rear view mirror adjustment, washer pump, audio, seat heating, wiper switch, backup lamps, soft top switch (cabriolet only) |
| 21 | 15A | Auxiliary power outlet |
| 22 | 7.5A | Left low‑beam headlamp |
| 23 | 7.5A | Right low‑beam headlamp |
| 24 | 15A | Brake lamps |
| 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 control unit |
| 31 | 20A | Horn, central locking system |
| 32 | - | - |
| 33 | 50A | Starter switch (ignition) |
| 34 | 40A | ESP® control unit |
| 35 | 30A | EPS control unit |
| R1 | 7.5A | Exterior rear view mirror heating |
| R2 | 7.5A | Brake lamps |
| R3 | 5A | LED daytime running lamps |
| R4 | - | - |
| R5 | - | - |
| R6 | - | - |
| R7 | 5A | Interior lighting |
| R8 | 20A | Surround sound system |
| R9 | 25A | Seat heating control unit |
