Ford Focus 4th generation was produced in 2018, 2019, 2020, 2021, 2022, 2023, 2024. During this time, the model has been updated. In this post you can find a description of the Ford Focus 4 fuses with block diagrams and their locations. Let’s highlight the fuse responsible for the cigarette lighter.

The purpose of fuses and relays may differ from that presented and depends on the year of manufacture and equipment level of your vehicle.

Cabin block

Inside the car, the fuse and relay block is located under the glove compartment. To access it, you must remove the protective cover.

The block itself will look something like this.

ADescription
15AAirbag control module.
25ACar temperature and humidity sensor.
310AParking assistance system control module.
410AIgnition switch. Push-button ignition switch.
520ACentral lock.
610ALuke.
730ARight mirror switch. Right front power windows.
85AHeadlight control module.
95APassenger airbag deactivation indicator. Auto-dimming interior mirror. Front parking assist camera.
1010AProjection display module. Wireless charging module for accessories.
115ATelematics modem.
125ACentral security module.
1315AChild safety locks. Fuel filler flap. Central locking.
1430ALeft mirror switch. Left front power windows.
1515AKeram wheel module.
1615AAdaptive damping module.
1715AVoice control. Audio unit.
187.5AElectric tailgate. Hands-free liftgate control module.
197.5ARechargeable sound alarm.
2010AAnti-theft alarm sound.
217.5AClimate control. Electronic gearshift module.
227.5ASteering wheel module. Instrument panel. Transmission channel connector.
2320AAudio block.
2420ANot used (spare).
2530ANot used (spare).

Block under the hood

Under the hood, in the engine compartment, the fuse box is located next to the pillar.

To access it, pull the two tank latches towards you and remove the fuse box. Turn it over and open the central latch that holds the cover.

AMarking
140ABody equipment control module.
230ABody equipment control module.
4A20AFuel pump – diesel.
4B20AFuel pump – gasoline.
510ATransmission channel connector.
615APowertrain control module – gasoline.
20APowertrain control module – diesel.
710APowertrain control module.
815APowertrain control module.
920APowertrain control module.
1010APowertrain control module – gasoline.
1130AStarter.
1210AAir conditioner clutch.
1340AFan motor.
1420AAuxiliary heater control module.
1520AHorn.
1620ARear window washer pump.
175ALumbar region.
1820AHeadlight washer pump.
2110AHeadlight adjustment.
225AElectronic power steering.
2410APowertrain control module.
2510AFront parking assist camera. Rear view camera. Blind spot information system. Reverse.
2615ATransmission control module – diesel.
2710AElectronic stabilization system.
2840AElectronic stabilization valve.
2960AElectronic stabilization system pump
3025AElectric driver’s seat.
3125AElectric passenger seat.
3225AAuxiliary socket.
3320AAuxiliary socket.
3420AAuxiliary socket.
3720ALuke.
4130AElectric rear door.
4410ABrake light switch.
4960ACooling fan.
5030AHeated lighting.
5420AElectronic limited-slip differential – gasoline.
6520ATransmission control module – diesel.
6820ASteering column lock.
6930AWipers.
7120ARear window wiper.
7510AMass air flow and intake air temperature sensor – gasoline.
7710AHeated windshield washer nozzles. Windshield heating relay.
7840ALeft windshield heating element.
7940AWindshield heating element, right.
8340AAdditional heater.
8460AAdditional heater.
8540AAdditional heater.
9140AModular trailer trailer.
935AHeadlights.
9420ASeat heating.
11030AWater in fuel sensor – diesel. Diesel fuel heater.
1245ARain sensor.
1265ADosing control unit – diesel.
13615AAmplifier.
13715AAmplifier.
14060AGlow plugs are diesel.
16315AReducing agent dosing control module.
16410AInterior door controls – diesel.
16515ATank heater – diesel.
18520APower windows. Sunroof.

In 5-door models and station wagons, a 15A fuse can be installed in the luggage compartment on the right side, which is responsible for the ignition system.

Ford Focus 4 (2018 – 2025) fuses and relays. Ford Focus 4 (2018 – 2025) fuse diagram.