DS3 (2017-2020) – Fuse Box Diagrams

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.

DS3 (2017-2020) - fuse box

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).

DS3 (2017-2020) - fuse box

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);


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;


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.

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