The Volkswagen Passat B8 is the 8th generation of the Passat series. Developed on a new platform – MQB: 2015, 2016, 2017, 2018, 2019, 2020, 2021. We will show you where the fuse blocks and relays in the Volkswagen Passat B8 are located, their diagrams and photos. Pay attention to the fuse responsible for the cigarette lighter.
Passenger lounge
It is located under the dashboard, on the driver’s side, behind the glove compartment.
Photo for example
Scheme
Appointment
| 1 | 30A | Reductant heater control unit -J891- | |
| 2 | 10A | Steering column electronics control unit -J527- | |
| 3 | – | – | |
| 4 | 7.5A 10A | Alarm -H12- | |
| 5 | 5A 7,5A | Data bus diagnostic interface -J533- | |
| 6 | 5A 7,5A | Selector lever -E313- | |
| 7 | 10A | Heater and air conditioning controls -EX21- Rear air conditioning control and display unit -E265- Remote control receiver for additional coolant heater -R149- Rear window heating relay -J9- Analog clock -Y- Tire pressure monitoring control unit -J502- | |
| 8 | 7.5A 10A | Light rotary switch -EX1- Electromechanical parking brake button -E538- Rain and light sensor -G397- Diagnostic connection -U31- Anti-theft alarm sensor -G578- Left background light LED -L181- Right background light LED -L182- Front interior light -WX1- Anti-theft alarm sensor -G578- Control unit for turning lights and headlight range adjustment -J745- Front left door outline light -L251- Rear left door outline light -L253- Front right door outline light -L252- Rear right door outline light -L254- | |
| 9 | 5A 7,5A | Steering column electronics control unit -J527- | |
| 10 | 7.5A 10A | Display unit for the front information display and control unit control unit -J685- Head-up display control unit -J898- | |
| 11 | 40A | Onboard power supply control unit -J519- | |
| 12 | 20A | Information electronics control unit 1 -J794- Navigation system control unit -J856-1) | |
| 13 | 25A | Front left seat belt -NX10- | |
| 14 | 40A | Fresh air fan control unit -J126- | |
| 15 | 10A | Electronic steering column lock control unit -J764- | |
| 16 | 7.5A | Two-way signal booster for mobile phone/data services -J984- USB charging socket 1 -U37- Storage compartment with mobile phone interface -R265- USB hub -R293- | |
| 17 | 7.5A | Instrument panel insert -KX2- Emergency call module control and communication unit -J949- | |
| 18 | 7.5A | Top view camera control unit -J928- Rear cover handle -EX37- Rear view camera -R246- | |
| 19 | 7.5A | Interface for entering and starting the system -J965- | |
| 20 | 7,5 A 10 A 15 A | Reductant dosing system relay -J963- Vacuum pump relay -J318- | |
| 21 | 15A | All-wheel drive control unit -J492- | |
| 22 | 15A | Trailer detector control unit -J345- | |
| 23 | 20A 30A | Sliding sunroof control unit -J245- | |
| 24 | 40A | Onboard power supply control unit -J519- | |
| 25 | 30A | Driver’s door control unit -J386- Driver’s rear door control unit -J926- | |
| 26 | 30A | Onboard power supply control unit -J519- | |
| 27 | 30A | Onboard power supply control unit -J519- | |
| 28 | 25A | Trailer detector control unit -J345- | |
| 29 | 5A | Remote start system relay -J471- | |
| 30 | 10A | Remote start system relay -J471- | |
| 31 | 30A | Rear cover control unit -J605- | |
| 32 | 10A | Front camera for driver assistance systems -R242- Adaptive cruise control unit -J428- Parking aid control unit -J446- Lane change aid control unit -J769- Lane change aid control unit 2 -J770- | |
| 33 | 5A 7,5A | Airbag control unit -J234- | |
| 34 | 7.5A | Interior mirror -EX5- Socket relay -J807- Reversing light switch -F4- Refrigerant pressure sensor -G805- Air quality sensor -G238- Central switch module in the instrument panel -EX22- Switch module 1 in the center console -EX23- Structured sound control unit -J869- Electromechanical parking brake button -E538- | |
| 35 | 7,5 10A | Diagnostic connection -U31- | |
| 36 | 5A 7,5A | Front right headlight -MX2- | |
| 37 | 5A 7,5A | Front left headlight -MX1- | |
| 38 | 25A | Trailer detector control unit -J345- | |
| 39 | 30A | Front passenger door control unit -J387- Rear passenger door control unit -J927- | |
| 40 | 20A | 12V socket -U5- 12V socket 2 -U18- 12V socket 3 -U19- | |
| 41 | 25A | Front right seat belt -NX11- | |
| 42 | 40A | Onboard power supply control unit -J519- | |
| 43 | 40A | Digital sound package control unit -J525- | |
| 44 | 15A | Trailer detector 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/AC converter with socket, 12 V – 230 V -U13- | |
| 47 | – | – | |
| 48 | – | – | |
| 49 | 5A 7,5A | Clutch position sensor -G476- Starter relay 1 -J906- Starter relay 2 -J907- | |
| 50 | 40A | Rear cover control unit -J605- | |
| 51 | 25A | Rear air conditioning control and display unit -E265- | |
| 52 | 15A | Electronically controlled shock absorber control unit -J250- | |
| 53 | 30A | Rear window heating relay -J9- |
Fuse number 40, 20A, is responsible for the cigarette lighter.
The following fuses are also located inside the fuse block mount:
| A | 15A | Control unit for adjusting the right front seat -EX34- Right front seat cushion fan 1 -V518- Right front seat backrest fan 1 -V516- |
| B | 5A | Remote start system relay -J471- |
| C | 7.5A | USB charging connector 1 -U37- |
| R1 | Remote start system relay -J471- |
Relay
- Relay R1 for reducing agent dosing system -J963-
- R2 –
- R3 –
- Voltage supply relay R4 Terminal 15 -J329-
- R5 Rear window heating relay -J9-
- Relay R6 for sockets -J807-
Engine compartment
It is located on the left side near the battery and is covered by a protective cover. It consists of 2 sections: a section for communication with fuses and relays and a section for high-power fuses.
Photo
Scheme
Marking
| 1 | 25A | ABS control unit -J104- | |
| 2 | 40A 60A | ABS control unit -J104- ABS hydraulic pump -V64- | |
| 3 | 15A 30A | Engine/motor control unit -J623- | |
| 4 | 5A / 7.5A 10A | Radiator fan -VX57- High heat output relay -J360- Low heat output relay -J359- Oil pressure control valve -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Piston cooling jet control valve -N522- Oil level and temperature sensor -G266- Turbine switching valve -N529- Engine component power supply relay -J757- | |
| 5 | 10A | Fuel pressure control valve -N276- Fuel metering valve -N290- Engine component power supply relay -J757- Turbine switching valve -N529- | |
| 6 | 5A 7,5A | Brake light switch -F- | |
| 7 | 7,5 A 10 A 15 A | Charge air cooling pump -V188- Transmission coolant valve -N488- Coolant shut-off valve -N82- Auxiliary heating pump -V488 – Cylinder head coolant valve -N489- Oil pressure control valve -N428- Fuel tank leak detection control unit -J909- | |
| 8 | 15A | Lambda sensor 1 before catalytic converter -GX10- Lambda sensor 1 after catalytic converter -GX7- Control unit for NOx sensor -GX30- Control unit for NOx sensor 2 -J881- | |
| 9 | 5A 10A | Exhaust flap control unit -J883- Exhaust flap control unit 2 -J945- Automatic glow period control unit -J179- Crankcase breather heater element -N79- Air mass meter -G70- Auxiliary heating pump -V488- Activated carbon filter solenoid valve 1 -N80- Exhaust camshaft control valve 1 -N318- Camshaft control valve 1 -N205- | |
| 10 | 15A 20A | Fuel pump control unit -J538- | |
| 11 | 40A 50A | Auxiliary air heater element -Z35- | |
| 12 | 40A | Auxiliary air heater element -Z35- | |
| 13 | 30A | Auxiliary hydraulic pump 1 for transmission oil -V475- | |
| 14 | 40A | Windshield heating relay -J47- | |
| 15 | 15A | Horn relay -J413- | |
| 16 | 20A | Engine component power supply relay -J757- | |
| 17 | 7.5A | Engine/motor control unit -J623- ABS control unit -J104- Windscreen heating relay -J47- | |
| 18 | 5A 7,5A | Battery monitor control unit -J367- Data bus diagnostic interface -J533- | |
| 19 | 30A | Wiper motor control unit -J400- | |
| 20 | 10A | Alarm -H12- | |
| 21 | 30A | Windscreen heating relay 2 -J611- | |
| 22 | 5A 7,5A | Engine/motor control unit -J623- | |
| 23 | 30A | Initial -B- | |
| 24 | 40A | Auxiliary air heater element -Z35- | |
| 31 | – | – | |
| 32 | – | – | |
| 33 | 30A | Windscreen heating relay 2 -J611- | |
| 34 | 30A | Windscreen heating relay 2 -J611- | |
| 35 | 30A | Wiper motor control unit -J400- | |
| 36 | – | – | |
| 37 | 30A | Auxiliary heater control unit -J364- | |
| 38 | – | – |
Relay
- R1 Starter relay 1 -J906-
- R2 Starter relay 2 -J907-
- Horn relay R3 -J413-
- High thermal power relay R4 -J360-
- R5 Main relay -J271- (petrol) Terminal 30 voltage supply relay -J317- (diesel)
- Automatic glow plug control unit R6 -J179- (petrol)
- R7 Low thermal power relay -J359- (diesel)
- Engine component power supply relay R8 -J757- (2.0 l petrol engine)
- R9 Windshield heating relay -J47-
- R10 Windscreen heating relay 2 -J611-
Volkswagen Passat B8 fuses and relays. Volkswagen Passat B8 fuse diagram.