Fuse and relay box diagrams – DS3
Applies to vehicles manufactured in the years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016.
Fuse F9 in the instrument panel fuse box is responsible for the cigarette lighter (power sockets) on the DS3.

Fuse box in the engine compartment
It is located in the engine compartment near the battery (left side).

| Number | Amps [A] | Description |
|---|---|---|
| F1 | 20A | Engine control unit power supply;Cooling fan assembly control relay;Multifunction engine control main relay;Injection pump (Diesel). |
| F2 | 15A | Horn. |
| F3 | 10A | Windshield washer fluid, front and rear. |
| F4 | 20A | LED lamps. |
| F5 | 15A | Diesel heater;Particulate filter additive pump (Diesel);Air flow sensor (Diesel);Blow-by heater;Solenoid valves (VTi). |
| F6 | 10A | ABS/DSC control unit;Secondary stop switch. |
| F7 | 10A | Electric power steering;Automatic gearbox. |
| F8 | 25A | Starter motor check. |
| F9 | 10A | Switching and protection unit (Diesel). |
| F10 | 30A | Fuel heater (Diesel);Blow-by heater (Diesel);Fuel pump (VTi);injectors;Ignition coils (petrol). |
| F11 | 40A | Heater blower. |
| F12 | 30A | Windshield wipers slow/fast. |
| F13 | 40A | Embedded system interface power supply (positive ignition). |
| F14 | 30A | Valvetronic (VTi) power supply. |
| F15 | 10A | Right headlights, high beam. |
| F16 | 10A | Left high beam. |
| F17 | 15A | Left dipped beam. |
| F18 | 15A | Headlights with right-hand dipped beam. |
| F19 | 15A | Oxygen sensors and solenoid valves (VTi);Solenoid valves (Diesel);EGR solenoid valve (Diesel). |
| F20 | 10A | Pumps;Electronic thermostat (VTi);Time-controlled solenoid valve (THP);Water in fuel sensor (Diesel). |
| F21 | 5 A | Fan assembly control power supply;ABS/DSC;Turbo pump (THP). |
| MF1* | 60A | Fan assembly. |
| MF2* | 30A | ABS/DSC pump. |
| MF3* | 30A | ABS/DSC solenoid valves. |
| MF4* | 60A | Power supply for the built-in system interface (BSI). |
| MF5* | 60A | Power supply for the built-in system interface (BSI). |
| MF6* | 30A | Additional cooling fan (THP). |
| MF7* | 80A | Dashboard fuse box. |
| MF8* | – | Unused. |
| * Maxi fuses provide additional protection for electrical installations. Any work on maxi fuses must be carried out by a CITROËN dealer or a qualified workshop. |
Dashboard fuse box
Left-hand drive vehicles: The fuse box is located on the lower part of the dashboard (left side).
Unclip the cover by pulling it from the side, remove the cover completely.
Right-hand drive vehicles: The fuse box is located in the glove compartment.
Open the glove box cover, unclip the fuse box cover by pulling on the side, remove the cover completely.

| Number | Amps [A] | Description |
|---|---|---|
| F1 | 15A | Rear wiper. |
| F2 | – | Unused. |
| F3 | 5 A | Airbag and seat belt pretensioner control unit |
| F4 | 10A | Air conditioning;Clutch switch;Electrochromic mirror;Particulate filter pump (Diesel);Diagnostic socket;Air flow sensor (Diesel). |
| F5 | 30A | Electric window panel;Electric passenger window control;Electric windscreen motor. |
| F6 | 30A | Driver’s electric window motor. |
| F7 | 5 A | Ceiling lamp, storage compartment lighting |
| F8 | 20A | Multi-function screen;audio system;Navigation radio;Alarm control unit;Alarm siren. |
| F9 | 30A | 12V socket;Portable power supply for navigation assistance. |
| F10 | 15A | Steering wheel controls. |
| F11 | 15A | Ignition;Diagnostic socket;Automatic transmission controller. |
| F12 | 15A | Rain and sun sensor;Trailer relay. |
| F13 | 5 A | Main switch;Engine relay assembly. |
| F14 | 15A | Parking sensor controller;Airbag controller;Instrument panel;Digital air conditioning;USB box;Hi-Fi amplifier. |
| F15 | 30A | Central locking. |
| F16 | – | Unused. |
| F17 | 40A | Demisting and defrosting of the rear window and side mirrors. |
| CII | – | PARC shunt. |
| FH36 | 5 A | Trailer relay. |
| FH37 | – | Unused. |
| FH38 | 20A | Hi-fi amplifier. |
| FH39 | 20A | Heated seats |
| FH40 | 40A | Trailer relay. |
DS3 (2009-2016) fuses and relays. DS3 (2009-2016) fuse diagram.