Hi-ya!,good afternoon. In this post you will find a description of fuses and relays DS3 (2017-2020) – fuse box
Include with images of block diagrams along with their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get suggestions about Service fuses, replacing a fuse, and more.
Applies to vehicles manufactured in the years:
2017, 2018, 2019, 2020.
For the cigarette lighter (power socket) on the DS3 fuse F9 in the instrument panel fuse box corresponds.
Dashboard fuse box
Left-hand drive vehicles:
The fuse box is located at the bottom 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 in the glove compartment.
Open the glove box lid, unhook the fuse box lid by pulling the side, remove the lid completely.
| Number | Amperes [A] | Description |
|---|---|---|
| F1 | 15 A. | Rear wiper. |
| F2 | – | Not used. |
| F3 | 5 A. | Control unit for airbags and seatbelt tensioners |
| F4 | 10 A. | Air conditioning;
Clutch switch; Electrochromic mirror; Diesel Particulate Filter Pump; Diagnostic socket; Air flow sensor (Diesel). |
| F5 | 30 A. | Power window panel;
Electric passenger window control; Electric windshield motor. |
| F6 | 30 A. | Electric driver’s window motor. |
| F7 | 5 A. | Ceiling lamp, glove box lighting |
| F8 | 20 A. | Multifunction screen;
Audio system; Navigation radio; Alarm switchboard; Alarm siren. |
| F9 | 30 A. | 12V socket;
Portable power to assist with navigation. |
| F10 | 15 A. | Steering wheel controls. |
| F11 | 15 A. | Ignition;
Diagnostic socket; Automatic gearbox control unit. |
| F12 | 15 A. | Rain and sun sensor;
Trailer relay. |
| F13 | 5 A. | Main switch;
Engine relay assembly. |
| F14 | 15 A. | Parking sensor controller;
Airbag controller; Instrument panel; Digital air conditioning; USB box; Hi-Fi amplifier. |
| F15 | 30 A. | Central lock. |
| F 16 | – | Not used. |
| F17 | 40 A. | Evaporation and defrosting of the rear window and side mirrors. |
| CII | – | PARC shunt. |
| FH36 | 5 A. | Trailer relay. |
| FH37 | – | Not used. |
| FH38 | 20 A. | Hi-fi amplifier. |
| FH39 | 20 A. | Heated seats |
| FH40 | 40 A. | Trailer relay. |
Fuse box in the engine compartment
It is located in the engine compartment near the battery (left side).
| Number | Amperes [A] | Description |
|---|---|---|
| F1 | 20 A. | Engine control unit power supply;
Cooling fan assembly control relay; Multi-function main engine control relay; Injection pump (Diesel). |
| F2 | 15 A. | Horn. |
| F3 | 10 A. | Washer fluid, front and rear. |
| F4 | 20 A. | LED lamps. |
| F5 | 15 A. | Diesel heater (Diesel);
Diesel particulate filter additive pump; Air Flow Sensor (Diesel); Blow-by heater; Solenoid valves (VTi). |
| F6 | 10 A. | ABS / DSC control unit;
Secondary stop switch. |
| F7 | 10 A. | Electric power steering;
Automatic Transmission. |
| F8 | 25 A. | Starter control. |
| F9 | 10 A. | Changeover and protection unit (Diesel). |
| F10 | 30 A. | Fuel heater (diesel);
Purge Heater (Diesel); Fuel pump (VTi); Injectors; Ignition coils (gasoline). |
| F11 | 40 A. | Heater blower. |
| F12 | 30 A. | Windscreen wipers slow / fast. |
| F13 | 40 A. | Built-in system interface power supply (positive ignition). |
| F14 | 30 A. | Valvetronic (VTi) power supply. |
| F15 | 10 A. | Right high beam headlamps. |
| F 16 | 10 A. | Left high beam. |
| F17 | 15 A. | Left dipped beam. |
| F18 | 15 A. | Right-hand dipped headlamps. |
| F19 | 15 A. | Oxygen sensors and solenoid valves (VTi);
Solenoid valves (diesel); EGR (Diesel) solenoid valve. |
| F20 | 10 A. | Pumps;
Electronic thermostat (VTi); Timing solenoid valve (THP); Water in fuel sensor (Diesel). |
| F21 | 5 A. | Fan assembly control power supply; ABS / DSC; Turbo pump (THP). |
| MF1 * | 60 A. | Fan assembly. |
| MF2 * | 30 A. | ABS / DSC pump. |
| MF3 * | 30 A. | ABS / DSC solenoid valves. |
| MF4 * | 60 A. | Power for the embedded system interface (BSI). |
| MF5 * | 60 A. | Power for the embedded system interface (BSI). |
| MF6 * | 30 A. | Additional cooling fan (THP). |
| MF7 * | 80 A. | Dashboard fuse box. |
| MF8 * | – | Not used. |
| * Maxi fuses provide additional protection for electrical installations. Any work on maxi fuses must be carried out by a CITROËN dealer or a specialist workshop. |
