Citroen C3 3G Aircross (2017 – 2024) fuse and relay

Citroen C3 3rd generation and Citroën C3 Aircross were produced in 2017, 2018, 2019, 2020, 2021, 2022, 2023 and 2024. During this time, the models received an update. In this article you can find a description of the fuses and relays of the Citroen C3 Aircross with fuse box diagrams, their locations and photo examples of execution. Let’s highlight the cigarette lighter fuse.

C3 Aircross

The purpose of the fuses in the blocks, as well as their number, may differ from those presented and depend on the year of manufacture, the level of electrical equipment and the region of delivery of your car.

Passenger compartment

Main Fuse Box

The main fuse box is located on the left side at the bottom of the instrument panel.


To gain access, you must remove the protective cover. In right-hand drive vehicles, this unit is located in the glove compartment.

location RHD

The fuse box itself will look something like this.

Photo fuse box




1Electrochrome rear view mirror, demisting rear screen, Diesel particle filter, parking sensors, power steering, LPG system, clutch pedal switch, door mirror adjustment
3Trailer Position Control Module
4Signal / Horn
5Window washer (front/rear)
6Window washer (front/rear)
7Rear socket
8Rear wiper
10Door lock/rear door lock
11Door lock/rear door lock
12Stop-Start System / Diagnostic Connector Module / Brake System
13Infotainment system / Rain and light sensor, air conditioning, front camera
14Alarm, telematic unit
15Climate control system
16Automatic gearbox speed selector, brake pedal switch, Stop & Start system.
17Instrument panel
18Air conditioning, speed selector position indicator (automatic gearbox)
19Steering Column Electrical System / Steering Wheel Controls
21START/STOP switch or button, Anti-theft alarm
22Camera / Rain sensor / Automatic lighting control
23Seat belt reminder
24Parking sensors, rear camera, telematic screen
25Air bag
26Electronic stability control
28OnStar or BTA module
29Infotainment system
31/32Cigarette lighter / front socket
34Heated rear window / Heated windshield / Inductive charging
35Light switch/ diagnostic connector module

Fuse number 32 is responsible for the operation of the cigarette lighter.

Additional Fuse Box

An additional fuse box can be installed next to the main unit

Citroen C3 3G


Diagram 1


F29Not used
F3030A Heated rear screen
F3110A Heated mirrors
F32Not used
F3340A Front electric windows
F3440A Rear electric windows
F3530A Heated front seats (except UK)
F36Not used
F37Not used
F38Not used
F39Not used
F40Not used

Citroen C3 Aircross

Photo example

Photo 3-1


Diagram 6


F1Heater / rear window defroster
F2Heated exterior side mirrors
F3Electric windows – front
F4Folding side mirrors / Adjustable outside mirrors
F5Power windows – rear
F6Seat heating
F7Front electric windows.
F8Audio amplifier
F10Panoramic roof
F11Front seat massage function
R01Seat heating relay
R02Power window relay
R03Rear window defroster/ heater relay

Engine compartment

Fuse and relay box

In the engine compartment, under the hood, on the left side, next to the battery, there is a fuse and relay box. An example of access is shown in the layout.


Under the hood


Photo of fuse box


Diagram 5


F1Air conditioner fan
F2ABS / ESP computer
F3Interior fuse box 3
F4ABS / ESP computer
F5Intelligent Switch Unit (Right turn signals, front right side marker lights, right brake lights, left reverse lights, right fog lights.) 20A Heated windshield
F6Two-speed cooling fan control unit (GMV) 20A Calculator BVA AxN8 – Calculator BVA Ax6III (thermal)
F7Intelligent Switch Box
F8Engine control fuel pump
F9Piloted lift pump (DW10F), intake and exhaust valves v solenoid valves – Piloted thermostat – Oil pump solenoid valve (EC flush – Electrical solenoid valve – Intake air flow meter – Oxygen sensors (EP6FADTX), Piloted thermostat – Switchable Water Supply Electric Solenoid Valve (EP6FDT)
F10Engine Computer – Diesel Flow Control Pump Solenoid – Turbocharger Pressure Control Solenoid Valve (DV5R and DW10F) – Thermostat S (DV5R) – Purge Heater – Adjustable Intake and Exhaust Solenoid Valves (EP6FADTX) – Cylinder Flush – Oxygen Sensors Raised (EB2ADTS) )
F11Engine computer
F12Instruments – GMV Relay – Istars – DMTC, Electric Water Cooling Turbocharged (EB2ADTS and EP6FADTX), Intelligent Service Unit (EP6FADTX)
F13Intelligent Switch Box
F14Battery charge level block
F15Heated windshield / Front left foglamp
F16Fog lights 10A Daytime running lights
F17GMP relay diagnostics BFRM – BSI1 – Engine computer – Lower Nox sensor (DV5R and DW10 (DV5R) injectors
F18Right headlights high beam
F19Left headlights high beam
F20Engine Computer l Charge Pump (for ER6EDT) – Ignition Coils (EB2ADTS and EP6FADTX)
F22Reserve – Taxi
F24Tow hitch
F25Interior fuse box 3
F26Transmission control module
F27Intelligent Switching Unit (Right Low Beam Headlight – Right Reversing Lights – Left Fog Lights – Left Rear Parking Lights – Third Brake Light.)
F28Urea pump power supply and urea tube heating resistor (UCE or DV5R) – Nox sensor (DW10F) – Engine computer (EP6FADTX)
F29Windshield wiper
F30Pre-heating block
F31Switching and protection unit
F32Power Steering, Left Low Beam Headlight – Static Turning Lights – Side Indicator Lights – Left Turn Signal Lights – Front Left and Rear Right Side Lights – Left Brake Lights – License Plate Lamps.
R1Engine control computer / Euro6 diesel (SCR module power supply)
R2Air Conditioning Compressor/Heated Windshield
R3Starter / thermal preconditioning
R4Fog lights/daytime running lights
R5Air conditioner fan
R7Front wiper
R8Front wiper

The main high power fuses can also be connected to the positive terminal of the battery.

If you find a mistake or have something to add, write in the comments.

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