Citroen DS3 (2009 – 2013) – fuse box diagram
Year of production: 2009, 2010, 2011, 2012, 2013
Fuse box under dashboard
The fusebox is located inside the glove box.
| Fuse | Ampere rating [A] | Functions |
| FH36 | 5 | Trailer relay unit |
| FH3 | — | Not used |
| FH38 | 20 | Hi-Fi amplifier |
| FH39 | 20 | Not used |
| FH40 | 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 | Driver’s electric window motor |
| F7 | 5 | Courtesy lamp |
| F8 | 20 | Multifunction screen, audio system, navigation radio, alarm control unit, alarm siren |
| F9 | 30 | 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 |
| F13 | 5 | Main stop switch, engine relay unit |
| F14 | 15 | Parking sensors control unit, airbag control unit, instrument panel, digital air conditioning, USB Box, Hi-Fi amplifier |
| F15 | 30 | Locking |
| F16 | — | Not used |
| F17 | 40 | Rear screen and door mirrors demisting/defrosting |
| SH | — | PARC shunt |
Fuse box in engine compartment
The fusebox is placed in the engine compartment near the battery (left-hand side).
| 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 | LED lamps |
| F5 | 15 | Diesel heater (Diesel), particle filter additive pump (Diesel), air flow sensor (Diesel), 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 (Diesel), fuel pump (VTi), injectors and ignition coils (petrol) |
| 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), timimg electrovalve (THP), water in fuel sensor (Diesel) |
| F21 | 5 | Fan assembly control supply, ABS/ESP, turbo pump (THP) |
Table of maxi-fuses
| Fuse | Ampere rating [A] | Functions |
| 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 | 20 | Additional cooling fan unit (THP) |
| MF7 | — | Dashboard fusebox |
| MF8 | — | Not used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.