Skoda Superb 3rd (MK3) – generation went on sale in 2015. This car was also produced in 2016, 2017, 2018, 2019, 2020 and to the present. In this article, we will present a description of the fuses of the Skoda Superb 3rd generation with block diagrams.

Block in the cabin
It is located behind the glove box, in the instrument panel. To access the unit, you need to pull the box out by pressing the latches “A”.

The block will look something like this.


| 1 | 30A | Control unit for reducing agent heater -J891- |
| 2 | 10A | Steering column electronics control unit -J527- |
| 3 | – | – |
| 4 | 7.5A / 10A | Horn -H12- |
| 5 | 5A / 7.5A | Data bus diagnostic interface -J533- |
| 6 | 5A / 7.5A | Selector lever -E313- |
| 7 | 10A | Heating and air conditioning controls -EX21- Rear air conditioning control and display unit -E265- Auxiliary heater remote control receiver -R149- Rear window heating relay -J9- Analogue clock -Y- Tyre pressure monitoring system control unit -J502 – |
| 8 | 7.5A / 10A | Rotary light switch -EX1- Electrical mechanical parking brake button -E538- Rain and light sensor -G397- Diagnostic socket -U31- Anti-theft alarm sensor -G578- Left ambient light LED -L181- Right ambient light LED -L182- Front interior lighting -WX1- Anti-theft alarm sensor -G578- Cornering light and headlight range control control unit -J745- Front left door edge lighting -L251- Rear left door edge lighting -L253- Front right door edge lighting -L252- Rear right door edge lighting -L254- |
| 9 | 5A / 7.5A | Steering column electronics control unit -J527- |
| 10 | 7.5A / 10A | Front information display and control unit control unit -J685- Head-up display control unit -J898- |
| 11 | 40A | On-board power supply control unit -J519- |
| 12 | 20A | Control unit 1 for information electronics -J794- Navigation system control unit -J856- 1) |
| 13 | 25A | Front left seat belt -NX10- |
| 14 | 40A | Supply air fan control unit -J126- |
| 15 | 10A | Electronic steering column lock control unit -J764- |
| 16 | 7.5 A | Two-way signal amplifier for mobile phone/data services -J984- USB 1 charging socket -U37- Storage compartment with mobile phone interface -R265- USB hub -R293- |
| 17 | 7.5 A | Instrument cluster insert -KX2- Emergency call module control unit and communication unit -J949- |
| 18 | 7.5 A | Top view camera control unit -J928- Tailgate handle -EX37- Rear view camera top view -R246- |
| 19 | 7.5 A | Interface for entry and start system -J965- |
| 20 | 7.5A / 10A / 15A | Urea dosing system relay -J963- Vacuum pump relay -J318- |
| 21 | 15A | All-wheel drive control unit -J492- |
| 22 | 15A | Trailer recognition control unit -J345- |
| 23 | 20A / 30A | Sliding sunroof control unit -J245- |
| 24 | 40A | On-board power supply control unit -J519- |
| 25 | 30A | Driver’s door control unit -J386- Rear driver’s door control unit -J926- |
| 26 | 30A | On-board power supply control unit -J519- |
| 27 | 30A | On-board power supply control unit -J519- |
| 28 | 25A | Trailer recognition control unit -J345- |
| 29 | 5a | Remote starter system relay -J471- |
| 30 | 10A | Remote starter system relay -J471- |
| 31 | 30A | Tailgate control unit -J605- |
| 32 | 10A | Front camera for driver assistance systems -R242- Adaptive cruise control unit -J428- Parking aid control unit -J446- Lane change assist control unit -J769- Lane change assist control unit 2 -J770- |
| 33 | 5A / 7.5A | Airbag control unit -J234- |
| 34 | 7.5 A | Interior mirror -EX5- Socket relay -J807- Reversing light switch -F4- Refrigerant circuit pressure sensor -G805- Air quality sensor -G238- Central switch cluster in dash panel -EX22- Switch cluster 1 in centre console -EX23- Sound control unit -J869- Electromechanical parking brake button -E538- |
| 35 | 7.5 / 10 A | Diagnostic connector -U31- |
| 36 | 5A / 7.5A | Front right headlight -MX2- |
| 37 | 5A / 7.5A | Front left headlight -MX1- |
| 38 | 25A | Trailer recognition control unit -J345- |
| 39 | 30A | Front passenger door control unit -J387- Rear passenger door control unit -J927- |
| 40 | 20A | 12 V socket -U5- 12 V socket 2 -U18- 12 V socket 3 -U19- |
| 41 | 25A | Front right seat belt -NX11- |
| 42 | 40A | On-board power supply control unit -J519- |
| 43 | 40A | Digital sound system control unit -J525- |
| 44 | 15A | Trailer recognition control unit -J345- |
| 45 | 15A | Driver’s seat adjustment control unit -J810- Front left seat cushion fan 1 -V514- Front left seat backrest fan 1 -V512- |
| 46 | 30A | DC to AC Converter with Socket, 12V – 230V -U13- |
| 47 | – | – |
| 48 | – | – |
| 49 | 5A / 7.5A | Clutch position sensor -G476- Starter relay 1 -J906- Starter relay 2 -J907- |
| 50 | 40A | Tailgate control unit -J605- |
| 51 | 25A | Control and display unit for rear air conditioning system -E265- |
| 52 | 15A | Electronically controlled damping control unit -J250- |
| 53 | 30A | Rear window heating relay -J9- |
Fuse No. 40, 20A, is responsible for the cigarette lighter.
The following fuses are also located inside the fuse box holder:
| A | 15A | Front right seat adjustment control unit -EX34- Front right seat cushion fan 1 -V518- Front right seat backrest fan 1 -V516- |
| B | 5a | Remote starter system relay -J471- |
| C | 7.5 A | USB charging port 1 -U37- |
| R1 | Remote starter system relay -J471- |
Relay
- R1 Relay for reducing agent dosing system -J963-
- R2 –
- R3 –
- R4 Terminal 15 power supply relay -J329-
- R5 Rear window heating relay -J9-
- R6 Socket relay -J807-
Block under the hood
In the engine compartment it is located on the left side and is covered with a lid. Opening it is quite simple. Simultaneously squeeze the clamps in the direction of arrow 1 and lift in the direction of arrow 2.

The unit itself consists of 2 parts. 1 – fuse and relay section 2 – high-power fuse section.


| 1 | 25A | ABS control unit -J104- |
| 2 | 40A/60A | ABS control unit -J104- ABS hydraulic pump -V64- |
| 3 | 15A 30A | Engine / Engine Control Unit -J623- |
| 4 | 5A/7.5A/10A | Radiator fan -VX57- High heat output relay -J360- Low heat output relay -J359- Oil pressure regulating valve -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Piston cooling nozzle control valve -N522- Oil Oil level and temperature sender -G266- Turbine changeover valve -N529- Engine component supply relay -J757- |
| 5 | 10A | Fuel pressure regulating valve -N276- Fuel metering valve -N290- Engine component supply relay -J757- Turbine changeover valve -N529- |
| 6 | 5A / 7.5A | Brake light switch -F- |
| 7 | 7.5A / 10A / 15A | Charge air cooling pump -V188- Gearbox coolant valve -N488- Coolant shut-off valve -N82- Auxiliary heater pump -V488- Cylinder head coolant valve -N489- Oil pressure regulating valve -N428- Fuel tank control unit leak detection -J909- |
| 8 | 15A | Lambda probe 1 before catalytic converter -GX10- Lambda probe 1 after catalytic converter -GX7- NOx sensor control unit -GX30- NOx sensor 2 control unit -J881- |
| 9 | 5A/10A | Exhaust flap control unit -J883- Exhaust flap control unit 2 -J945- Automatic glow plug control unit -J179- Crankcase breather heating element -N79- Air mass meter -G70- Auxiliary heater pump -V488- Activated carbon filter solenoid valve 1 -N80- Camshaft adjustment valve 1 -N318- Camshaft adjustment valve 1 -N205- |
| 10 | 15A/20A | Fuel pump control unit -J538- |
| 11 | 40A/50A | Additional air heater element -Z35- |
| 12 | 40A | Additional air heater element -Z35- |
| 13 | 30A | Auxiliary hydraulic pump 1 transmission oil -V475- |
| 14 | 40A | Heated windscreen relay -J47- |
| 15 | 15A | Horn relay -J413- |
| 16 | 20A | Engine component supply relay -J757- |
| 17 | 7.5 A | Engine/engine control unit -J623- ABS control unit -J104- Heated windscreen relay -J47- |
| 18 | 5A / 7.5A | Battery control unit -J367- Data bus diagnostic interface -J533- |
| 19 | 30A | Windscreen wiper motor control unit -J400- |
| 20 | 10A | Horn -H12- |
| 21 | 30A | Relay 2 for heated windscreen -J611- |
| 22 | 5A / 7.5A | Engine / Engine Control Unit -J623- |
| 23 | 30A | Starter -B- |
| 24 | 40A | Additional air heater element -Z35- |
| 31 | – | – |
| 32 | – | – |
| 33 | 30A | Relay 2 for heated windscreen -J611- |
| 34 | 30A | Relay 2 for heated windscreen -J611- |
| 35 | 30A | Windscreen wiper motor control unit -J400- |
| 36 | – | – |
| 37 | 30A | Additional heater control unit -J364- |
| 38 | – | – |
Relay
- R1 Starter relay 1 -J906-
- R2 Starter relay 2 -J907-
- R3 Horn relay -J413-
- R4 High thermal power relay -J360-
- R5 Main relay -J271- (petrol) / Terminal 30 power supply relay -J317- (diesel)
- R6 Automatic glow plug control unit -J179- (petrol)
- R7 Low thermal power relay -J359- (diesel)
- R8 Engine component power supply relay -J757- (2.0 l petrol engine)
- R9 Heated windscreen relay -J47-
- R10 Relay 2 for heated windscreen -J611-