2018 Skoda Fabia fuse box diagram
The 2018 Fabia generation Mk3 (also known as "Typ NJ") has 5 different fuse boxes:
Fuse panel (SA) diagram
Engine fuse panel (SB) (up to June 2018) diagram
Engine fuse panel (SB) (from July 2018) diagram
Interior fuse panel (SC) (up to June 2018) diagram
Interior fuse panel (SC) (from July 2018) diagram
Fuse panel (SA)
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Battery terminal | 508 | Battery connector | |||
Fuse MIDI 50A | SA1 | Power terminal 75x | |||
Fuse MIDI 250A | SA2 | Generator with voltage regulator | |||
Fuse MIDI 80A | SA3 | Power steering control unit | |||
Fuse MIDI 80A | SA4 | Power supply terminal 30_2 | |||
Fuse MIDI 125A | SA5 | Power supply terminal 30 / fuse 1, built into the wiring harness | |||
Engine fuse panel (SB) (up to June 2018)
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Fuse FMX/JCase 40A | 1 | Radiator fan control unit, radiator fan (two-stage) | |||
Fuse FMX/JCase 20A | 1 | Radiator fan (single stage) | |||
Fuse FMX/JCase 50A | 2 | Automatic preheating time control unit | |||
Fuse FMX/JCase 40A | 3 | ABS control unit | |||
Fuse FMX/JCase 40A | 4 | Heating element of additional air heater | |||
Fuse FMX/JCase 40A | 5 | Heating element of additional air heater | |||
Fuse ATO 30A | 6 | Mechatronics of the dual clutch transmission, automatic transmission control unit | |||
Fuse ATO 7.5A | 7 | Engine control unit | |||
Fuse ATO 30A | 8 | Windscreen wiper motor | |||
Fuse ATO 7.5A | 9 | Battery monitoring control unit, Onboard power supply control unit | |||
Fuse ATO 25A | 10 | ABS control unit | |||
Fuse MINI 10A | 12 | Engine electronics [not valid for engine code CHZB, CHZC, CZCA] | |||
Fuse MINI 15A | 12 | Brake drive vacuum pump [valid for engine code CHZB, CHZC] | |||
Fuse MINI 7.5A | 13 | Brake pedal switch | |||
Fuse MINI 10A | 14 | Fuel pump relay [valid for engine code CHYA, CHYB, CWVA, CWVB] / Intake air cooling pump / Fuel pressure regulating valve [valid for engine code CHZB, CHZC, CZCA] / Engine electronics [for diesel engines] | |||
Fuse MINI 7.5A | 15 | Engine control unit | |||
Fuse ATO 30A | 16 | Starter | |||
Fuse ATO 20A | 17 | Engine control unit | |||
Fuse ATO 10A | 18 | Engine electronics, low heat output relay, high heat output relay, radiator fan control unit | |||
Fuse ATO 15A | 19 | Lambda probe, lambda probe behind the exhaust catalytic converter | |||
Fuse ATO 7.5A | 20 | Control unit for temporary automatic glow plug, heating resistor for engine oil pan ventilation [for diesel engines] | |||
Fuse ATO 20A | 20 | Ignition [for gasoline engines] | |||
Relay | R1 | Relay for high heating output | |||
Engine fuse panel (SB) (from July 2018)
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Fuse FMX/JCase 40A | 1 | Radiator fan control unit, radiator fan (two-stage) | |||
Fuse FMX/JCase 20A | 1 | Radiator fan (single stage) | |||
Fuse FMX/JCase 40A | 3 | ABS control unit | |||
Fuse ATO 30A | 6 | Mechatronics of the dual clutch transmission, automatic transmission control unit | |||
Fuse ATO 7.5A | 7 | Engine control unit | |||
Fuse ATO 30A | 8 | Windscreen wiper motor | |||
Fuse ATO 7.5A | 9 | Battery monitoring control unit, Onboard power supply control unit, Data bus diagnostic interface | |||
Fuse ATO 25A | 10 | ABS control unit | |||
Fuse ATO 15A | 11 | Brake drive vacuum pump [valid for engine code CHYA, CHYB] | |||
Fuse MINI 10A | 12 | Engine electronics [not valid for engine code CHZB, CHZC, DKLD, DKRC] | |||
Fuse MINI 15A | 12 | Brake drive vacuum pump [valid for engine code CHZB, CHZC, DKLD, DKRC] | |||
Fuse MINI 7.5A | 13 | Brake pedal switch | |||
Fuse MINI 10A | 14 | Fuel pump relay [valid for engine code CHYA, CHYB, CWVA, CWVB] / Intake air cooling pump / Fuel pressure regulating valve [valid for engine code CHZB, CHZC, DKLD, DKRC] | |||
Fuse MINI 7.5A | 15 | Engine control unit | |||
Fuse ATO 30A | 16 | Starter | |||
Fuse ATO 20A | 17 | Engine control unit | |||
Fuse ATO 10A | 18 | Engine electronics, cooling fan control unit | |||
Fuse ATO 15A | 19 | Lambda probe, lambda probe behind the exhaust catalytic converter | |||
Fuse ATO 20A | 20 | Ignition | |||
Relay | R1 | Relay for high heating output | |||
Interior fuse panel (SC) (up to June 2018)
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Fuse FMX/JCase 40A | 1 | Power supply for left lights | |||
Fuse FMX/JCase 30A | 2 | Central locking, windshield and rear window washer pump, rear window wiper motor | |||
Fuse FMX/JCase 30A | 3 | Power supply terminal 15 | |||
Fuse FMX/JCase 40A | 4 | Power supply for right lights | |||
Fuse ATO 25A | 5 | Driver's side window lift motor | |||
Fuse ATO 30A | 6 | Vehicle electrical system control unit | |||
Fuse ATO 20A | 7 | High-pitched horn, low-pitched horn | |||
Fuse ATO 25A | 8 | Trailer detection control unit | |||
Fuse ATO 10A | 9 | Ignition switch terminal 30 | |||
Fuse ATO 25A | 10 | Electric window lift motor rear left | |||
Fuse ATO 30A | 11 | Headlight cleaning system relay | |||
Fuse ATO 7.5A | 12 | Multimedia system control unit, display unit, display and control unit control unit, front information | |||
Fuse ATO 15A | 13 | 12V socket | |||
Fuse MINI 7.5A | 14 | 16-pin connector on diagnosis socket, headlight switch, switch for manual switching of dipped beam and high beam flasher, sensor for air humidity, rain and light detection, sender 5 for coolant pressure and temperature, multifunction steering wheel control unit, key intrusion protection magnet, steering column electronics control unit, reversing camera, control unit for wireless data transfer | |||
Fuse MINI 7.5A | 15 | Tiptronic system switch, heating control unit, air conditioning control unit, climate control unit control unit | |||
Fuse MINI 7.5A | 16 | Instrument cluster, control unit for emergency call module and communication unit | |||
Fuse MINI 7.5A | 17 | Anti-theft alarm horn, Anti-theft alarm sensor | |||
Fuse MINI 10A | 22 | Windscreen and rear window washer pump [for vehicles without access and starting authority and without adaptive cruise control ADR] | |||
Fuse ATO 30A | 24 | Fresh air blower switch, fresh air blower, fresh air blower control unit | |||
Fuse ATO 7.5A | 26 | Driver's seat heating regulator, Front passenger seat heating regulator | |||
Fuse ATO 15A | 27 | Rear window wiper motor | |||
Fuse MINI 10A | 29 | Airbag control unit | |||
Fuse MINI 7.5A | 30 | Light switch, reversing light switch, tyre pressure monitoring button, ASR and ESP button, front passenger airbag deactivation indicator light, heating control unit, high-pressure sensor, driver's side window lift motor, front passenger side window lift motor, rear left window lift motor, rear right window lift motor, auto-dimming interior rearview mirror, parking aid control unit | |||
Fuse MINI 7.5A | 31 | Fuel pump control unit [for engine code CHZB, CHZC, CZCA] / cruise control, radiator fan control unit, windscreen washer pump relay, pushbutton relay 1, pushbutton relay 2 | |||
Fuse MINI 7.5A | 32 | 16-pin plug connection on diagnostic socket, headlight range control unit, left headlight range adjustment servo motor, right headlight range adjustment servo motor, manual switch for low beam and high beam flasher | |||
Fuse MINI 7.5A | 33 | Clutch position sensor, onboard power supply control unit | |||
Fuse MINI 7.5A | 34 | Heating resistance of spray nozzle to the left, heating resistance of spray nozzle to the right | |||
Fuse MINI 10A | 36 | Front seat heating control unit | |||
Fuse MINI 7.5A | 37 | Distance adjustment control unit | |||
Fuse FMX/JCase 40A | 39 | Low heat output relay | |||
Fuse FMX/JCase 30A | 41 | Heated rear window | |||
Fuse ATO 25A | 42 | Electric window lift motor on the front passenger side | |||
Fuse ATO 15A | 43 | Trailer detection control unit | |||
Fuse ATO 15A | 44 | Socket, cigarette lighter | |||
Fuse ATO 25A | 45 | Electric motor for window lift rear right | |||
Fuse ATO 15A | 46 | Windscreen wiper switch for variable time intervals, rear window wiper switch, windscreen wiper switch for variable time intervals | |||
Fuse ATO 15A | 47 | Trailer detection control unit | |||
Fuse ATO 25A | 48 | Trailer detection control unit | |||
Fuse ATO 15A | 49 | Fuel pump control unit [valid for engine code CHZB, CHZC, CZCA] | |||
Fuse ATO 20A | 49 | Fuel pre-priming pump [valid for engine code CHYA, CHYB, CWVA, CWVB] | |||
Fuse ATO 25A | 49 | Fuel pre-priming pump [for diesel engines] | |||
Fuse ATO 20A | 50 | Information electronics control unit 1 | |||
Fuse MINI 10A | 51 | Power supply for heated rear view mirrors | |||
Fuse MINI 7.5A | 52 | Access and start authorization control unit | |||
Fuse MINI 10A | 53 | Electronic steering column lock control unit | |||
Fuse MINI 10A | 55 | Front seat heating control unit | |||
Interior fuse panel (SC) (from July 2018)
| |||||
|---|---|---|---|---|---|
| Type | No. | Description | |||
Fuse FMX/JCase 40A | 1 | Power supply for left lights | |||
Fuse FMX/JCase 30A | 2 | Central locking, windshield and rear window washer pump, rear window wiper motor | |||
Fuse FMX/JCase 30A | 3 | Power supply terminal 15 | |||
Fuse FMX/JCase 40A | 4 | Power supply for right lights | |||
Fuse ATO 25A | 5 | Door control unit, driver's side | |||
Fuse ATO 30A | 6 | Vehicle electrical system control unit | |||
Fuse ATO 20A | 7 | High-pitched horn, low-pitched horn | |||
Fuse ATO 25A | 8 | Trailer detection control unit | |||
Fuse ATO 10A | 9 | Ignition switch terminal 30 | |||
Fuse ATO 25A | 10 | Rear left door control unit | |||
Fuse ATO 30A | 11 | Headlight cleaning system relay | |||
Fuse ATO 7.5A | 12 | Multimedia system control unit, display unit, display and control unit control unit, front information | |||
Fuse ATO 15A | 13 | 12V socket | |||
Fuse MINI 7.5A | 14 | 16-pin connector on diagnosis socket, headlight switch, switch for manual switching of dipped beam and high beam flasher, sensor for air humidity, rain and light detection, sender 5 for coolant pressure and temperature, multifunction steering wheel control unit, key intrusion protection magnet, steering column electronics control unit, reversing camera, control unit for wireless data transfer | |||
Fuse MINI 7.5A | 15 | Tiptronic system switch, heating control unit, air conditioning control unit, climate control unit control unit | |||
Fuse MINI 7.5A | 16 | Instrument cluster, control unit for emergency call module and communication unit | |||
Fuse MINI 7.5A | 17 | Anti-theft alarm horn, Anti-theft alarm sensor | |||
Fuse MINI 7.5A | 18 | Diagnostics of the data bus interface | |||
Fuse MINI 10A | 22 | Windscreen and rear window washer pump [for vehicles without access and starting authority and without adaptive cruise control ADR] / Windscreen and rear window washer pump [for vehicles without access and starting authority and without adaptive cruise control ADR] | |||
Fuse ATO 30A | 24 | Fresh air blower switch, fresh air blower, fresh air blower control unit | |||
Fuse ATO 7.5A | 26 | Driver's seat heating regulator, Front passenger seat heating regulator | |||
Fuse ATO 15A | 27 | Rear window wiper motor | |||
Fuse MINI 10A | 29 | Airbag control unit | |||
Fuse MINI 7.5A | 30 | Headlight switch, reversing light switch, tyre pressure monitoring button, ASR and ESP button, front passenger airbag deactivation indicator light, heating control unit, high-pressure sensor, auto-dimming interior rearview mirror, parking assistance control unit | |||
Fuse MINI 7.5A | 31 | Fuel pump control unit [for engine codes CHZB, CHZC, DKLD, DKRC] / Cruise control, radiator fan control unit, windscreen washer pump relay, pushbutton relay 1, pushbutton relay 2 | |||
Fuse MINI 7.5A | 32 | 16-pin plug connection on diagnostic socket, headlight range control unit, left headlight range adjustment servo motor, right headlight range adjustment servo motor, manual switch for low beam and high beam flasher, left washer nozzle heater resistor, right washer nozzle heater resistor | |||
Fuse MINI 7.5A | 33 | Clutch position sensor, onboard power supply control unit | |||
Fuse MINI 7.5A | 34 | Voltage converter for usb charging module | |||
Fuse MINI 10A | 35 | Lane change assist control unit 2, Lane change assist control unit | |||
Fuse MINI 15A | 36 | Front seat heating control unit | |||
Fuse MINI 7.5A | 37 | Distance adjustment control unit | |||
Fuse FMX/JCase 20A | 40 | Diagnostics of the data bus interface | |||
Fuse FMX/JCase 30A | 41 | Heated rear window | |||
Fuse ATO 25A | 42 | Door control unit, front passenger side | |||
Fuse ATO 15A | 43 | Trailer detection control unit | |||
Fuse ATO 15A | 44 | Socket, cigarette lighter | |||
Fuse ATO 25A | 45 | Rear right door control unit | |||
Fuse ATO 15A | 46 | Windscreen wiper switch for variable time intervals, rear window wiper switch, windscreen wiper switch for variable time intervals | |||
Fuse ATO 15A | 47 | Trailer detection control unit | |||
Fuse ATO 25A | 48 | Trailer detection control unit | |||
Fuse ATO 15A | 49 | Fuel pump control unit [valid for engine code CHZB, CHZC, DKLD, DKRC] | |||
Fuse ATO 20A | 49 | Fuel pre-priming pump [valid for engine code CHYA, CHYB, CWVA, CWVB] | |||
Fuse ATO 20A | 50 | Information electronics control unit 1 | |||
Fuse MINI 10A | 51 | Power supply for heated rear view mirrors | |||
Fuse MINI 7.5A | 52 | Access and start authorization control unit | |||
Fuse MINI 10A | 53 | Electronic steering column lock control unit | |||
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Source: Skoda Fabia 2018 Owner's Manual
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