2018 Ford Fiesta Fuse Box Diagram

FUSE SPECIFICATION CHART

Engine Compartment Fuse Box

Fuse Number  Fuse Rating  Protected Component  
F1  40A  Anti-lock brake system module.  
60A  Stability assist.   Anti-lock brake system module.  
F2  40A  Cooling fan relay.  
60A  High-speed cooling fan relay.5  
F3  60A  Passenger compartment fuse box.  
F4  20A  Body control module.   Power door locks.  
F5  –  Not used.  
F6  40A  Blower motor relay.   Blower motor.  
F7  –  Not used.  
F8  –  Not used.  
F9  7.5A  Front fog lamp relay.   Headlamp high beam relay.  
F10  15A  Body control module.   Right-hand exterior lamps.  
F11  15A  Body control module.   Left-hand exterior lamps.  
F14  –  Not used.  
F15  –  Not used.  
F16  –  Not used.  
F17  –  Not used.  
F18  –  Not used.  
F19  30A  Fuel injectors.  
F20  –  Not used.  
F21  7.5A  Mass air flow sensor.2  
10A  Fuel injectors.  
F22  15A  Powertrain control module.  
F23  15A  Camshaft position sensor.   Heated oxygen sensor.  
F24  15A  Ignition coil.3  
20A  Ignition coil.2  
F25  10A  Exhaust variable camshaft timing oil control solenoid.   Intake variable camshaft timing oil control solenoid.   Evaporative emission canister purge valve.   R57, R45 and R50 relay coil.  
F26  7.5A  ECSS system.4  
15A  Active grille shutter.1   Water pump.1   Air conditioning control module.1  
F27  –  Not used.  
F28  –  Not used.  
F29  –  Not used.  
F30  –  Not used.  
F31  –  Not used.  
F32  60A  Passenger compartment fuse box.  
F33  60A  Power windows.  
F34  40A  Transmission control module.6  
60A  High speed cooling fan.1  
F35  40A  Anti-lock brake system with electronic stability control.  
F36  30A  Engine start inhibitor.   Starter motor solenoid.  
F37  30A  Heated rear window.   Heated exterior mirrors.  
F38  20A  Body control module.   Battery saver.   Horn.  
F39  15A  Body control module.   Direction indicators.  
F40  –  Not used.  
F41  10A  Air conditioning clutch.  
F42  7.5A  Powertrain control module.   Transmission control module.   Evaporative emission canister purge valve.  
F48  10A  Left-hand front fog lamp.  
F49  10A  Right-hand front fog lamp.  
F55  10A  Left-hand high beam.  
F56  10A  Right-hand high beam.  

1 1.0L EcoBoost.2 1.0L and 1.6L EcoBoost.31.6L Sigma.4 1.6L Flex-fuel.51.6L Ecoboost.66-Speed PowerShift Transmission.

Relay Number  Protected Component  
R12  Powertrain control module relay.  
R13  Headlamp high beam relay.  
R43  Not used.  
R44  Front fog lamp relay.  
R45  A/C clutch relay.  
R46  Not used.  
R47  Fuel pump relay.  
R50  High speed cooling fan.1  
R51  Start inhibit relay.  
R52  Blower motor relay.  
R53  Not used.  
R54  Reversing lamp.  
R57  Cooling fan relay.  

1 1.0L and 1.6L EcoBoost.Passenger Compartment Fuse BoxThe fuse box is behind the glove compartment.

  1. Open the glove compartment and empty the contents.
  2. Press the sides inward and swivel the glove compartment downward.
Fuse Number  Fuse Rating  Protected Component  
F1  15A  Ignition switch.  
F2  7.5A  Auto-dimming interior mirror.   Autowipers.   Heater relay control.  
F3  7.5A  Instrument cluster.  
F4  7.5A  Passenger airbag deactivation switch.   Passenger sensing system.  
F5  15A  Secondary on-board diagnostic control module A.  
F6  10A  Reversing lamps.  
F7  7.5A  Instrument cluster.   Information and entertainment display.  
F8  7.5A  Moonroof.  
F9  20A  Remote keyless entry.   Remote keyless starting.  
F10  15A  Audio unit.   SYNC module.  
F11  20A  Windshield wipers.  
F12  7.5A  Climate control.  
F13  15A  Rear window wiper.  
F14  20A  Remote keyless entry.   Remote keyless starting.  
F15  15A  Windshield wipers.  
F16  5A  Exterior mirrors.   Power windows.  
F17  15A  Heated seats.  
F18  10A  Stoplamps.  
F19  7.5A  Instrument cluster.  
F20  10A  Airbags.  
F21  7.5A  Electronic power assist steering.   Instrument cluster.   Ignition.   Windshield wipers.   Passive anti-theft system.  
F22  7.5A  Accelerator pedal position sensor.   Powertrain control module.   Anti-lock brake system.   Stability assist.  
F23  7.5A  Transmission control unit.  
F24  7.5A  Audio unit.  
F25  7.5A  Heated exterior mirrors.  
F26  7.5A  Central locking system.  
F27  –  Not used.  
F28  –  Not used.  
F29  –  Not used.  
F30  –  Not used.  
F31  30A  Rear power windows.  
F32  20A  Battery back-up sounder.   Rear auxiliary power points.  
F33  20A  Front auxiliary power points.  
F34  30A  Front power windows.  
F35  20A  Moonroof.  
F36  –  Not used.  
Relay Number  Protected Component  
R1  Ignition relay.  
R2  Not used.  
R3  Not used.  
R4  Driver heated seat.  
R5  Passenger heated seat.  
R6  Accessory mode remote keyless starting.  
R7  Ignition mode remote keyless starting.  
R8  Battery back-up sounder.   Battery saver.  
R9  Accessory delay.  

CHANGING A FUSE

Fuses

WARNING   WARNING:  Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.

If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components.

Fuse Types

Callout  Fuse Type  
A  Micro 2  
B  Micro 3  
C  Maxi  
D  Mini  
E  M Case  
F  J Case  
G  J Case Low Profile  

To download the complete user manual, please download the following file:

https://www.fordservicecontent.com/Ford_Content/vdirsnet/OwnerManual/Home/Index?Variantid=6041&languageCode=EN&countryCode=USA&marketCode=US&bookcode=O38966&VIN=&userMarket=usa&div=f

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