Skoda Fabia Mk3 – fuse and relay

Skoda Fabia 3rd generation (Mk3) was produced in 2014, 2015, 2016, 2017, 2018, 2019, 2020 and up to now with hatchback and station wagon bodies (fabia combi). The new “edgy” design adds sportiness to the third generation Fabia. In this publication, we will show where the fuse boxes are located in the 3rd generation Skoda Fabia car and their diagrams with a designation of the purpose of the elements.

Skoda Fabia 3

In our materials, we have already written about the previous generations of Skoda Fabia, so if necessary, study them: 1st generation or 2nd generation .

Passenger compartment

It is located on the underside of the front panel under the cover. To access, remove the fuse box cover in the direction of the arrow.

Access to the unit in the salon


General scheme Skoda Fabia 3


  1. Lighting on the left, side lights, upper brake light
  2. central locking
  3. Ignition system relay
  4. Right light, rear fog light, tail light, license plate light
  5. Power window for driver’s door
  6. Central control unit, interior lamps
  7. Sound signal
  8. TSU – left lamp
  9. Steering column lever, control unit for the engine (only vehicles without KESSY), automatic transmission, (only vehicles without KESSY), selector lever for automatic transmission (only
    vehicles without KESSY), ESC (only vehicles without KESSY), control unit for trailer recognition , (only vehicles without KESSY), power steering (only
    vehicles without KESSY), airbag (only vehicles without KESSY)
  10. Power window, rear left door
  11. headlight washer
  12. Head unit display
  13. 12V socket in the luggage compartment
  14. Steering column lever, light switch, ignition key removal lock (vehicles with automatic gearbox) diagnostic
    socket, light signal, SmartGate control unit, rain sensor, light sensor
  15. Control unit for air conditioning, selector lever for automatic transmission
  16. Instrument cluster
  17. Burglar alarm, sound signal
  18. Not used
  19. Not used
  20. Not used
  21. Not used
  22. Windscreen and rear window washer
  23. Not used
  24. Air conditioner fan, heater, air conditioner control unit, heater
  25. Not used
  26. Heated front seats
  27. Rear window wiper.
  28. Not used
  29. Airbag (only for vehicles with KESSY)
  30. Power windows, light switch, reversing light switch, control unit for air conditioning, control unit for
    parking assist, outside mirrors, power supply for middle key panel, power supply for side key panel, interior
    rearview mirror
  31. Fuel pump, radiator fan control unit, cruise control, windscreen and rear window washer relay coil
  32. Diagnostic connector
  33. Starter relay coil, clutch pedal switch
  34. Heated washer nozzles
  35. Not used
  36. Heated front seats
  37. Radar
  38. Not used
  39. Additional electric heater
  40. Not used
  41. Heated rear window
  42. Front passenger door power window
  43. TSU – contact in the socket
  44. Cigarette lighter, 12 V socket
  45. Power window rear right door
  46. Front and rear window washer, steering column lever
  47. TSU – contact in the socket
  48. TSU – right lamp
  49. Fuel pump control unit
  50. Head device
  51. Heated exterior mirrors
  52. KESSY control unit
  53. Steering column lock KESSY
  54. Not used
  55. Heated front seats
  56. Not used
  57. Not used
  58. Not used
  59. Not used

The fuse number 44 is responsible for the cigarette lighter.

Engine compartment

It is located near the left wing.

Access to the unit under the hood

Press the cover lock in the direction of arrow 1 and lift the cover itself as shown in illustration 2.


Block diagram under the hood


  1. Radiator fan
  2. Control unit for heating system
  3. ABS or ESC control unit
  4. Additional electric heater
  5. Additional electric heater
  6. Automatic gearbox
  7. Engine control unit
  8. Windshield wiper
  9. Central control unit
  10. ABS or ESC control unit
  11. Not used
  12. Engine components
  13. Brake pedal limit switch
  14. Engine components, fuel pump relay coil
  15. Engine control unit
  16. Starter
  17. Engine control unit
  18. Engine components, electric auxiliary heater relay coils, radiator fan
  19. The Lambda probe
  20. Engine components, pre-glow system control unit, crankcase ventilation heating

If you need more information about the repair, operation and maintenance of the 3rd generation Skoda Fabia, ask in comments.

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