Smart Fortwo (2012) – fuse box diagram
Year of production: 2012
Fuse box in passenger compartment
The fuse box is located on the driver’s side below the dashboard.
Front side
1 – 31 – Fuse
R1 – R9 – backup fuse slots
Rear side
32 – 36 – Fuse
| Fuse | Consumer | Ampere rating [A] |
| 1 | Engine | 25 |
| 2 | Windshield wipers | 25 |
| 3 | Power window, left and right | 20 |
| 4 | Passenger compartment blower (HVAC) | 25 |
| 5 | Front fog lamps | 10 |
| 6 | Right parking lamp, right tail lamp, license plate lamps | 7,5 |
| 7 | Left parking lamp, left tail lamp | 7,5 |
| 8 | Engine | 25 |
| 9 | Engine | 7,5 |
| 10 | Engine | 15 |
| 11 | ESP® control unit | 15 |
| 12 | Cockpit switch module, on-board diagnostics socket, turn signal lamp switch, transmission control unit, exterior lamp switch, anti-theft warning system, rainlight sensor, auxiliary instruments, central locking system, instrument cluster, exterior rear view mirror heating, Tire Pressure Monitoring System (TPMS) | 10 |
| 13 | — | — |
| 14 | Air conditioning compressor | 15 |
| 15 | Audio, subwoofer, sound system, soft top (cabriolet only) | 15 |
| 16 | Fuel pump with fuel level sensor | 15 |
| 17 | Rear window wiper (coupé only) | 15 |
| 18 | ESP® control unit, EPS control unit, restraint system, instrument cluster | 10 |
| 19 | Engine control unit, on-board diagnostics socket, transmission control unit, Tire Pressure Monitoring System (TPMS) | 7,5 |
| 20 | Air conditioning system, exterior rear view mirror adjustment, washer pump, audio, seat heating, wiper switch, backup lamps, soft top switch (cabriolet only | 10 |
| 21 | Auxiliary power outlet | 15 |
| 22 | Left low‑beam headlamp | 7,5 |
| 23 | Right low‑beam headlamp | 7,5 |
| 24 | Brake lamps | 15 |
| 25 | Right high‑beam headlamp | 7,5 |
| 26 | Left high‑beam headlamp | 7,5 |
| 27 | Engine | 7,5 |
| 28 | Rear window defroster, radiator fan | 40 |
| 29 | Soft top (cabriolet only) | 30 |
| 30 | Transmission control unit | 40 |
| 31 | Horn, central locking system | 20 |
| 32 | — | — |
| 33 | Starter switch (ignition) | 50 |
| 34 | ESP® control unit | 40 |
| 35 | ESP control unit | 30 |
| R1 | Exterior rear view mirror heating | 7,5 |
| R2 | Brake lamps | 7,5 |
| R3 | LED daytime running lamps | 5 |
| R4 | — | — |
| R5 | — | — |
| R6 | — | — |
| R7 | Interior lighting | 5 |
| R8 | Surround sound system | 20 |
| R9 | Seat heating control unit | 25 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.