2021 Skoda Fabia Mk4 fuse box diagram
The 2021 Fabia generation Mk4 (also known as "Typ PJ") has 3 different fuse boxes:
Fuse panel (SA) (from June 2021) diagram
Engine fuse panel (SB) (from June 2021) diagram
Interio fuse panel (SC) (from June 2021) diagram
Fuse panel (SA) (from June 2021)
| Type | No. | Description | |
|---|---|---|---|
Battery terminal | 508 | Threaded connection (30) on E-box | |
Battery terminal | SA1 | Starter / Generator with voltage regulator | |
Battery terminal | SA3 | Power supply for E-box | |
Battery terminal | SA4 | Power supply terminal 30_2 | |
Battery terminal | SA5 | Power supply terminal 30_1, Terminal 75x | |
Battery terminal | SA6 | Power steering control unit |
Engine fuse panel (SB) (from June 2021)
| Type | No. | Description | |
|---|---|---|---|
Fuse ATO 10A | 1 | Engine control unit [for engine codes DSGA, DSGD, DLAA, DLAC] | |
Fuse ATO 7.5A | 2 | Engine electronics, radiator shutter servomotor, intake air cooling pump / Engine electronics, radiator shutter servomotor, intake air cooling pump | |
Fuse ATO 15A | 3 | Lambda probe 1 after catalytic converter, lambda probe 1 before catalytic converter | |
Fuse ATO 15A | 4 | Fuel pump control unit | |
Fuse ATO 10A | 5 | Engine electronics, oil level and temperature sensor, radiator fan | |
Fuse ATO 20A | 6 | Ignition | |
Fuse ATO 10A | 8 | Engine electronics | |
Fuse ATO 7.5A | 9 | Brake signal switch | |
Fuse ATO 7.5A | 10 | Battery monitoring control unit, Onboard power supply control unit, Data bus diagnostic interface | |
Fuse ATO 10A | 12 | Air conditioning relay, air conditioning electromagnetic clutch | |
Fuse ATO 7.5A | 14 | Engine control unit, Motronic power supply relay, ABS control unit, heated windscreen relay | |
Fuse ATO 30A | 15 | Mechatronics dual clutch transmission gearbox | |
Fuse ATO 7.5A | 17 | Engine control unit | |
Fuse ATO 30A | 18 | Starter | |
Fuse FMX/JCase 60A | 20 | ABS control unit | |
Fuse FMX/JCase 25A | 21 | ABS control unit | |
Fuse FMX/JCase 20A | 25 | Radiator fan [for engine code DSGA, DSGD - depending on the configuration] | |
Fuse MIDI 50A | 26 | Radiator fan | |
Fuse FMX/JCase 30A | 27 | Radiator fan [for engine code DSGA, DSGD - depending on the configuration] | |
Fuse FMX/JCase 50A | 29 | Heated windshield | |
Relay | U1 | Main relay | |
Relay | U2 | Radiator fan relay V7, V35, stage 2 [for engine code DSGA, DSGD - depending on the configuration] | |
Relay | U3 | Radiator fan relay V7, V35, stage 1 [for engine code DSGA, DSGD - depending on the configuration] | |
Relay | U5 | Windscreen heating relay | |
Relay | U7 | Air conditioner relay | |
Relay | U9 | Start relay 2 | |
Relay | U10 | Start relay 1 |
Interio fuse panel (SC) (from June 2021)
| Type | No. | Description | |
|---|---|---|---|
Fuse FMX/JCase 20A | 1 | Trailer detection control unit | |
Fuse ATO 30A | 2 | Actuator module 1 for left LED headlight | |
Fuse ATO 30A | 3 | Soundpaket digital audio recording and playback control unit | |
Fuse ATO 30A | 4 | Headlight cleaning system relay / Headlight cleaning device pump | |
Fuse ATO 40A | 6 | Vehicle electrical system control unit | |
Fuse ATO 30A | 8 | Fresh air fan control unit | |
Fuse ATO 30A | 9 | Actuator module 1 for right LED headlight | |
Fuse ATO 20A | 10 | Trailer detection control unit | |
Fuse MINI 15A | 12 | Heated steering wheel / Multifunction steering wheel control unit | |
Fuse MINI 7.5A | 13 | Steering column electronics control unit / Air humidity, rain and light recognition sensor / Air humidity sensor / Light switch / Autodiagnostics output / Multifunction steering wheel control unit / Switches on the steering column on the left | |
Fuse MINI 15A | 14 | Rear wiper switch / Windscreen wiper switch | |
Fuse MINI 7.5A | 15 | Combination instruments / Emergency call module and communication unit control unit | |
Fuse ATO 40A | 16 | Vehicle electrical system control unit | |
Fuse ATO 30A | 17 | Electric motor for window lift rear right / Front passenger door control unit [for left-hand drive vehicles] / Front passenger door control unit [for right-hand drive vehicles] | |
Fuse ATO 30A | 18 | Vehicle electrical system control unit | |
Fuse ATO 25A | 19 | Information electronics control unit 1 | |
Fuse ATO 30A | 20 | Heated rear window | |
Fuse MINI 7.5A | 23 | Rear view camera | |
Fuse MINI 7.5A | 24 | USB distributor / Two-way mobile radio signal amplifier / Multimedia system control unit / Two-way mobile radio signal amplifier / Compartment with interface for connecting a mobile phone | |
Fuse MINI 7.5A | 25 | Multifunction steering wheel control unit | |
Fuse ATO 7.5A | 26 | Diagnostics of the data bus interface | |
Fuse MINI 7.5A | 28 | Anti-theft sensor | |
Fuse MINI 7.5A | 29 | Anti-theft device sound signal | |
Fuse MINI 7.5A | 30 | Ignition switch | |
Fuse MINI 7.5A | 31 | Heating control unit / Air conditioning control unit | |
Fuse MINI 15A | 31 | Climate control system control unit | |
Fuse ATO 30A | 33 | Electric window lift motor rear left / Front passenger door control unit [for left-hand drive vehicles] / Front passenger door control unit [for right-hand drive vehicles] | |
Fuse ATO 40A | 35 | Vehicle electrical system control unit | |
Fuse ATO 20A | 36 | High tone beep / | |
Fuse FMX/JCase 20A | 37 | Front seat heating control unit | |
Fuse ATO 30A | 38 | Vehicle electrical system control unit | |
Fuse MINI 7.5A | 39 | Parking aid control unit / Parking assistance control unit / Distance adjustment control unit / Lane change assist control unit / Lane change assist control unit 2 / Front camera for driver assistance systems / Cruise control switch | |
Fuse MINI 7.5A | 40 | Autodiagnostics output / Light switch / Switches on the steering column on the left / Left headlight range adjuster servomotor / Right headlight range control servomotor / Headlight range control unit / Reversing light switch | |
Fuse MINI 7.5A | 41 | Adjustment of external rear view mirrors / Interior rearview mirror with automatic screening / Coolant circuit pressure sensor / Tire pressure monitoring button / ASR and electronic stabilization program button | |
Fuse MINI 7.5A | 42 | Clutch position sensor / Start relay 1 / Start relay 2 | |
Fuse MINI 15A | 43 | Rear window wiper motor | |
Fuse MINI 7.5A | 44 | Airbag control unit / Airbag warning light | |
Fuse MINI 7.5A | 45 | Vehicle electrical system control unit | |
Fuse MINI 7.5A | 48 | ELV control unit / Access and Starting System Interface | |
Fuse MINI 7.5A | 50 | Voltage converter for usb charging module / USB charging connector 1 | |
Fuse MINI 15A | 52 | 12V socket | |
Fuse MINI 7.5A | 53 | Ignition key removal interlock solenoid / Preselector lever | |
Fuse ATO 30A | 56 | Fresh air intake fan switch | |
Fuse ATO 10A | 58 | Windscreen and rear window washer pump | |
Fuse ATO 10A | 59 | Vehicle electrical system control unit / Heated exterior rearview mirror on driver's side / Heated exterior rearview mirror on the front passenger side / Heating resistor of the washer nozzle on the left / Heating resistor of the washer nozzle on the right | |
Fuse FMX/JCase 30A | 60 | Trailer detection control unit | |
Fuse FMX/JCase 30A | 61 | Trailer detection control unit | |
Relay | R3 | Headlight cleaning system relay | |
Relay | R5 | Power supply relay connector 15 | |
Relay | R6 | Unloading relay contact X |
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Source: Skoda Fabia 2021 Owner's Manual
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