The 2018 Fiesta generation Mk6 has 3 different fuse boxes:
| Type | No. | Description | |
|---|---|---|---|
Fuse FMX/JCase 40A | F1 | Anti-lock brake system module. | |
Fuse FMX/JCase 60A | F1 | Stability assist. Anti-lock brake system module. | |
Fuse FMX/JCase 40A | F2 | Cooling fan relay. | |
Fuse FMX/JCase 60A | F2 | High-speed cooling fan relay. [1.6L Ecoboost] | |
Fuse FMX/JCase 60A | F3 | Passenger compartment fuse box. | |
Fuse FMM/MCase 20A | F4 | Body control module. Power door locks. | |
Fuse FMM/MCase 40A | F6 | Blower motor relay. Blower motor. | |
Fuse MICRO2 7.5A | F9 | Front fog lamp relay. Headlamp high beam relay. | |
Fuse MICRO2 15A | F10 | Body control module. Right-hand exterior lamps. | |
Fuse MICRO2 15A | F11 | Body control module. Left-hand exterior lamps. | |
Fuse FMM/MCase 30A | F19 | Fuel injectors. | |
Fuse MICRO2 7.5A | F21 | Mass air flow sensor. 2 [1.0L and 1.6L EcoBoost] | |
Fuse MICRO2 10A | F21 | Fuel injectors. | |
Fuse MICRO2 15A | F22 | Powertrain control module. | |
Fuse MICRO2 15A | F23 | Camshaft position sensor. Heated oxygen sensor. | |
Fuse MICRO2 15A | F24 | Ignition coil. 3 [1.6L Sigma] | |
Fuse MICRO2 20A | F24 | Ignition coil. 2 [1.0L and 1.6L EcoBoost] | |
Fuse MICRO2 10A | F25 | Exhaust variable camshaft timing oil control solenoid. Intake variable camshaft timing oil control solenoid. Evaporative emission canister purge valve. R57, R45 and R5O relay coil. | |
Fuse MICRO2 7.5A | F26 | ECSS system [1.6L Flex-fuel] | |
Fuse MICRO2 15A | F26 | Active grille shutter. Water pump. Air conditioning control module. [1.0L EcoBoost] | |
Fuse FMX/JCase 60A | F32 | Passenger compartment fuse box. | |
Fuse FMX/JCase 60A | F33 | Power windows. | |
Fuse FMX/JCase 40A | F34 | Transmission control module.6 [6-Speed PowerShift Transmission] | |
Fuse FMX/JCase 60A | F34 | 1 High speed cooling fan.1 [1.0L EcoBoost] | |
Fuse FMM/MCase 40A | F35 | Anti-lock brake system with electronic stability control. | |
Fuse FMM/MCase 30A | F36 | Engine start inhibitor. Starter motor solenoid. | |
Fuse FMM/MCase 30A | F37 | Heated rear window. Heated exterior mirrors. | |
Fuse MICRO2 20A | F38 | Body control module. Battery saver. Horn. | |
Fuse MICRO2 15A | F39 | Body control module. Direction indicators. | |
Fuse MICRO2 10A | F41 | Air conditioning clutch. | |
Fuse MICRO2 7.5A | F42 | Powertrain control module. Transmission control module. Evaporative emission canister purge valve. | |
Fuse MINI 10A | F48 | Left-hand front fog lamp. | |
Fuse MINI 10A | F49 | Right-hand front fog lamp. | |
Fuse MINI 10A | F55 | Left-hand high beam. | |
Fuse MINI 10A | F56 | Right-hand high beam. | |
Relay | R12 | Powertrain control module relay. | |
Relay | R13 | Headlamp high beam relay. | |
Relay | R44 | Front fog lamp relay. | |
Relay | R45 | A/C clutch relay. | |
Relay | R47 | Fuel pump relay. | |
Relay | R50 | High speed cooling fan. 1 [1.0L and 1.6L EcoBoost] | |
Relay | R51 | Start inhibit relay. | |
Relay | R52 | Blower motor relay. | |
Relay | R54 | Reversing lamp. | |
Relay | R57 | Cooling fan relay. |
| Type | No. | Description | |
|---|---|---|---|
Fuse MINI 15A | 1 | Ignition switch. | |
Fuse MINI 7.5A | 2 | Auto-dimming interior mirror. Autowipers. Heater relay control. | |
Fuse MINI 7.5A | 3 | Instrument cluster. | |
Fuse MINI 7.5A | 4 | Passenger airbag deactivation switch. Passenger sensing system. | |
Fuse MINI 15A | 5 | Secondary on-board diagnostic control module A. | |
Fuse MINI 10A | 6 | Reversing lamps. | |
Fuse MINI 7.5A | 7 | Instrument cluster. Information and entertainment display. | |
Fuse MINI 7.5A | 8 | Moonroof. | |
Fuse MINI 20A | 9 | Remote keyless entry. Remote keyless starting. | |
Fuse MINI 15A | 10 | Audio unit. SYNC module. | |
Fuse MINI 20A | 11 | Windshield wipers. | |
Fuse MINI 7.5A | 12 | Climate control. | |
Fuse MINI 15A | 13 | Rear window wiper. | |
Fuse MINI 20A | 14 | Remote keyless entry. Remote keyless starting. | |
Fuse MINI 15A | 15 | Windshield wipers. | |
Fuse MINI 5A | 16 | Exterior mirrors. Power windows. | |
Fuse MINI 15A | 17 | Heated seats. | |
Fuse MINI 10A | 18 | Stoplamps. | |
Fuse MINI 7.5A | 19 | Instrument cluster. | |
Fuse MINI 10A | 20 | Airbags. | |
Fuse MINI 7.5A | 21 | Electronic power assist steering. Instrument cluster. Ignition. Windshield wipers. Passive anti-theft system. | |
Fuse MINI 7.5A | 22 | Accelerator pedal position sensor. Powertrain control module. Anti-lock brake system. Stability assist. | |
Fuse MINI 7.5A | 23 | Transmission control unit. | |
Fuse MINI 7.5A | 24 | Audio unit. | |
Fuse MINI 7.5A | 25 | Heated exterior mirrors. | |
Fuse MINI 7.5A | 26 | Central locking system. | |
Fuse FMX/JCase 30A | 31 | Rear power windows. | |
Fuse FMX/JCase 20A | 32 | Battery back-up sounder. Rear auxiliary power points. | |
Fuse FMX/JCase 20A | 33 | Front auxiliary power points. | |
Fuse FMX/JCase 30A | 34 | Front power windows. | |
Fuse FMX/JCase 20A | 35 | Moonroof. | |
Relay | R1 | Ignition relay. | |
Relay | R4 | Driver heated seat. | |
Relay | R5 | Passenger heated seat. | |
Relay | R6 | Accessory mode remote keyless starting. | |
Relay | R7 | Ignition mode remote keyless starting. | |
Relay | R8 | Battery back-up sounder. Battery saver. | |
Relay | R9 | Accessory delay. |
| Type | Description | |
|---|---|---|
Fuse MICRO3 5A | F1/F2 Restraints Control Module (RCM) / In-vehicle temperature sensor | |
Fuse MICRO2 10A | F3 Parking aid module | |
Fuse MICRO2 10A | F4 Ignition switch / Ignition switch push button start / Telematics control unit (TCU) module antenna | |
Fuse MICRO2 20A | F5 Central lock relay / Central unlock relay | |
Fuse MICRO2 10A | F6 Roof opening panel module | |
Fuse MICRO2 30A | F7 Passenger Door Module (PDM) | |
Fuse MICRO3 5A | F8/F9 Auto-dimming interior mirror / Passenger airbag deactivation (PAD) indicator / Wireless accessory charging module | |
Fuse MICRO2 10A | F10 Data Link Connector | |
Fuse MICRO3 5A | F11/F12 Intrusion sensor | |
Fuse MICRO2 15A | F13 Driver/fuel flap unlock relay / Double/aux lock relay | |
Fuse MICRO2 30A | F14 Driver Door Module (DDM) | |
Fuse MICRO3 15A | F15/F16 Steering Column Control Module (SCCM) | |
Fuse MICRO2 15A | F17 Integrated Control Panel / SYNC module [APIM] | |
Fuse MICRO3 7.5A | F18/F19 Anti-theft alarm horn with integral battery | |
Fuse MICRO2 10A | F20 Antitheft alarm |
Ford Fiesta fuse box diagrams change across years, pick the right year of your vehicle:
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