Citroen C3 mk3 (from 2009) – fuse box diagram
Year of production: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Fuse box under dashboard

| Fuse | Ampere rating [A] | Function |
| FH36 | 5 | Trailer relay unit |
| F37 | — | Not used |
| F38 | 20 | HiFi amplifier |
| FH39 | — | Not used |
| F40 | 30 | Trailer relay unit |
| Fuse | Ampere rating [A] | Functions |
| F1 | 15 | Rear wiper |
| F2 | — | Not used |
| F3 | 5 | Airbags and pretensioners control unit |
| F4 | 10 | Air conditioning, clutch switch, electrochromatic mirror, particle filter pump (Diesel), diagnostic socket, airflow sensor (Diesel). |
| F5 | 30 | Electric windows panel, passenger’s electric window control, front electric window motor. |
| F6 | 30 | Rear electric windows motors and driver’s electric window motor |
| F7 | 5 | Courtesy lamp, side reading lamps. |
| F8 | 20 | Multifunction screen, audio system, navigation radio, instrument panel with clock, alarm control unit, alarm siren. |
| F9 | 30 | Audio system (after-market), 12 V socket, portable navigation support supply. |
| F10 | 15 | Steering wheel controls. |
| F11 | 15 | Ignition, diagnostic socket, automatic gearbox control unit. |
| F12 | 15 | Rain/brightness sensor, trailer relay unit, driving school module |
| F13 | 5 | Main stop switch, engine relay unit. |
| F14 | 15 | Parking assistance control unit, airbag control unit, instrument panel, automatic air conditioning, USB Box, HiFi amplifi er. |
| F15 | 30 | Locking. |
| F16 | — | Not used |
| F17 | 40 | Rear screen and exterior mirrors demisting/ defrosting. |
| SH | — | PARC shunt. |
Fuse box in engine compartment

| Fuse | Ampere rating [A] | Functions |
| F1 | 20 | Engine control unit supply, cooling fan unit control relay, multifunction engine control main relay, injection pump (Diesel) |
| F2 | 15 | Horn |
| F3 | 10 | Front/rear wash-wipe |
| F4 | 20 | Daytime running lamps |
| F5 | 15 | Diesel heater (Diesel), particle fi lter additive pump (Diesel), air fl ow sensor (Diesel), EGR electrovalve (Diesel), fuel pump (1.1i and 1.4i), blow-by heater and electrovalves (VTi) |
| F6 | 10 | ABS/ESP control unit, secondary stop switch |
| F7 | 10 | Electric power steering, automatic gearbox. |
| F8 | 25 | Starter control. |
| F9 | 10 | Switching and protection unit (Diesel) |
| F10 | 30 | Fuel heater (Diesel), blow-by heater (1.1i, 1.4i and Diesel), fuel pump (VTi), injectors and ignition coils (petrol), electronic thermostat and canister purge electrovalve (1.1i and 1.4i) |
| F11 | 40 | Heater blower |
| F12 | 30 | Windscreen wipers slow/fast speed |
| F13 | 40 | Built-in systems interface supply (ignition positive) |
| F14 | 30 | Valvetronic supply (VTi) |
| F15 | 10 | Right-hand main beam headlamps |
| F16 | 10 | Left-hand main beam headlamps |
| F17 | 15 | Left-hand dipped beam headlamps |
| F18 | 15 | Right-hand dipped beam headlamps |
| F19 | 15 | Oxygen sensors and electrovalves (VTi), electrovalves (Diesel), EGR electrovalve (Diesel) |
| F20 | 10 | Pumps, electronic thermostat (VTi) water in fuel sensor (Diesel) |
| F21 | 5 | Fan assembly control supply, ABS/ESP |
| MF1 | 60 | Fan assembly |
| MF2 | 30 | ABS/ESP pump |
| MF3 | 30 | ABS/ESP electrovalves |
| MF4 | 60 | Built-in Systems Interface (BSI) supply |
| MF5 | 60 | Built-in Systems Interface (BSI) supply |
| MF6 | — | Not used |
| Mf7 | — | Passenger compartment fusebox |
| MF8 | — | Not used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market
