Table of Contents
This article provides a detailed overview of the fuse box diagrams for the fourth-generation Ford Focus (C2 platform; chassis code C519 / CEW), covering the 2018 through 2025 model years.
Fuses 32, 33, and 34 in the engine compartment fuse block protect the electrical circuits for the USB ports and the 12-volt power points (cigarette lighter).
Engine Compartment Fuse Box
The fuse box is located on the left side of the engine compartment.
To access the fuses, pull the fuse box toward you using the two latches. Invert it and disengage the central latch securing the cover.
General overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating (A) |
| 1 | Body control module. | 40 |
| 2 | Body control module. | 30 |
| 4A | Fuel pump (diesel). | 20 |
| 4B | Fuel pump. | 20 |
| 5 | Data link connector (DLC). | 10 |
| 6 | Engine control module (gasoline). | 15 |
| Engine control module (diesel). | 20 | |
| 7 | Engine control module. | 10 |
| 8 | Engine control module. | 15 |
| 9 | Engine control module. | 20 |
| 10 | Engine control module (gasoline). | 10 |
| 11 | Starter motor. | 30 |
| 12 | A/C compressor clutch. | 10 |
| 13 | HVAC blower motor. | 40 |
| 14 | Auxiliary heater control module. | 20 |
| 15 | Horn. | 20 |
| 16 | Rear window washer pump. | 20 |
| 17 | Power lumbar support. | 5 |
| 18 | Headlamp washer pump. | 20 |
| 21 | Headlamp leveling system. | 10 |
| 22 | Electronic power assisted steering (EPAS). | 5 |
| 24 | Powertrain control module (PCM). | 10 |
| 25 | Front parking aid camera. Rearview camera. Blind spot information system (BLIS). Reverse gear indicator. | 10 |
| 26 | Transmission control module (diesel). | 15 |
| 27 | Electronic stability control (ESC). | 10 |
| 28 | Electronic stability control (ESC) valves. | 40 |
| 29 | Electronic stability control (ESC) pump. | 60 |
| 30 | Power driver's seat. | 25 |
| 31 | Power passenger's seat. | 25 |
| 32 | 12-volt power points / USB charging ports | 25 |
| 33 | 20 | |
| 34 | 20 | |
| 37 | Power moonroof / sunroof. | 20 |
| 41 | Power liftgate. | 30 |
| 44 | Stop lamp switch. | 10 |
| 49 | Engine cooling fan. | 60 |
| 50 | Heated rear window. | 30 |
| 54 | Electronic limited-slip differential (gasoline). | 20 |
| 65 | Transmission control module (diesel). | 20 |
| 68 | Electronic steering column lock. | 20 |
| 69 | Windshield wipers. | 30 |
| 71 | Rear window wiper. | 20 |
| 75 | Mass airflow (MAF) and intake air temperature (IAT) sensors (gasoline). | 10 |
| 77 | Heated windshield washer nozzles. Heated windshield relay. | 10 |
| 78 | Heated windshield (left side). | 40 |
| 79 | Heated windshield (right side). | 40 |
| 83 | Auxiliary heater. | 40 |
| 84 | Auxiliary heater. | 60 |
| 85 | Auxiliary heater. | 40 |
| 91 | Trailer tow module. | 40 |
| 93 | Headlamps. | 5 |
| 94 | Heated seats. | 20 |
| 110 | Diesel fuel heater. Water-in-fuel sensor. | 30 |
| 125 | Rain sensor. | 5 |
| 126 | Dosing control unit (diesel). | 5 |
| 136 | Audio amplifier. | 15 |
| 137 | Audio amplifier. | 15 |
| 140 | Glow plugs (diesel). | 60 |
| 163 | Reductant dosing control module. | 15 |
| 164 | Interior door handles (diesel). | 10 |
| 165 | Fuel tank heater (diesel). | 15 |
| 185 | Power windows. Power moonroof / sunroof. | 20 |
Passenger Compartment Fuse Box
The fuse box is located in the front passenger footwell.
General overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Rating (A) |
| 1 | Airbag control module. | 5 |
| 2 | In-cabin temperature and humidity sensor. | 5 |
| 3 | Parking aid control module. | 10 |
| 4 | Ignition switch. Push-button start switch. | 10 |
| 5 | Central locking system. | 20 |
| 6 | Power moonroof / sunroof. | 10 |
| 7 | Right exterior mirror switch. Right front power window. | 30 |
| 8 | Headlamp control module. | 5 |
| 9 | Passenger airbag deactivation indicator. Auto-dimming rearview mirror. Front parking aid camera. | 5 |
| 10 | Head-up display module. Wireless charging module. | 10 |
| 11 | Telematics modem. | 5 |
| 12 | Central security module. | 5 |
| 13 | Child safety locks. Fuel filler door. Central locking system. | 15 |
| 14 | Left exterior mirror switch. Left front power window. | 30 |
| 15 | Steering wheel module. | 15 |
| 16 | Adaptive damping system control module. | 15 |
| 17 | Voice control. Audio unit. | 15 |
| 18 | Power liftgate. Hands-free liftgate control module. | 7.5 |
| 19 | Battery backup sounder (alarm). | 7.5 |
| 20 | Anti-theft alarm horn. | 10 |
| 21 | Climate control system. Electronic gear selector. | 7.5 |
| 22 | Steering wheel control module. Instrument cluster. Data link connector (DLC). | 7.5 |
| 23 | Audio module. | 20 |
| 24 | Spare. | 20 |
| 25 | Spare. | 30 |