Volkswagen Passat B8 – the last 8 – is, at the moment, the generation of the Passat series. Designed on a new platform – MQB. Years of production: 2015, 2016, 2017, 2018, 2019, 2020, 2021. We will show where the fuse blocks and relays are located in the phos. diagrams and photos. We will indicate the fuse responsible for the cigarette lighter.
Cabin block
It is located under the dashboard, on the driver’s side, behind the glove box.
Description
| 1 | 30A | Reductant heater control unit -J891- |
| 2 | 10A | Steering column control unit -J527- |
| 3 | – | – |
| 4 | 7.5 A/10 A | Audible signal -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 auxiliary heater -R149- Rear window heating relay -J9- Analog clock -Y- Tire pressure monitoring control unit -J502 – |
| 8 | 7.5 A/10 A | Light rotary switch -EX1- Electromechanical parking brake button -E538- Rain and light sensor -G397- Diagnostic connector -U31- Security alarm sensor -G578- Left background lighting LED -L181- Right background lighting LED -L182- Front interior lighting -WX1- Security alarm sensor -G578- Cornering light and headlight range control unit -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 control unit -J527- |
| 10 | 7.5 A/10 A | 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 | Electronic information system control unit 1 -J794- Navigation system control unit -J856-1) |
| 13 | 25A | Front left seat belt -NX10- |
| 14 | 40A | Supply fan control unit -J126- |
| 15 | 10A | Electronic steering column lock control unit -J764- |
| 16 | 7.5 A | 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 | 7.5 A | Insert in the instrument panel -KX2- Emergency call module control unit and communication unit -J949- |
| 18 | 7.5 A | Top view camera control unit -J928- Trunk lid handle -EX37- Top view camera -R246- |
| 19 | 7.5 A | Interface for entry and start system -J965- |
| 20 | 7.5 A/10 A/15 A | 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 | 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 recognition control unit -J345- |
| 29 | 5a | Remote start system relay -J471- |
| 30 | 10A | Remote start system relay -J471- |
| 31 | 30A | Trunk lid control unit -J605- |
| 32 | 10A | Driver assistance systems front camera -R242- Adaptive cruise control control unit -J428- Parking assistant control unit -J446- Lane change assistant control unit -J769- Lane change assistant 2 control unit -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 unit in the front panel -EX22- Switch unit 1 in the center console -EX23- Body sound control unit -J869- Electromechanical parking brake button -E538- |
| 35 | 7.5 / 10 A | Diagnostic connector -U31- |
| 36 | 5A/7.5A | Headlight, right -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 | Onboard power supply control unit -J519- |
| 43 | 40A | Digital audio 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-DC converter with socket, 12 V – 230 V -U13- |
| 47 | 7,5/15A | Rear window wiper -V12- |
| 48 | – | – |
| 49 | 5A/7.5A | Clutch position sensor -G476- Starter relay 1 -J906- Starter relay 2 -J907- |
| 50 | 40A | Trunk lid control unit -J605- |
| 51 | 25A | Rear air conditioning control and display unit -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 block holder:
| A | 15A | Front right seat position adjustment control unit -EX34- Front right seat cushion fan 1 -V518- Front right seat backrest fan 1 -V516- |
| B | 5a | Remote start system relay -J471- |
| C | 7.5 A | USB charging port 1 -U37- |
| R1 | Remote start system relay -J471- |
Relay
- R1 Reductant dosing system relay -J963-
- R2 –
- R3 –
- R4 Power supply relay terminal 15 -J329-
- R5 Rear window heating relay -J9-
- R6 Socket relay -J807-
Block under the hood
It is located on the left side, next to the battery and covered by a protective cover. It consists of 2 sections: a communication section with fuses and relays, and a section for high-power fuses.
Marking
| 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 thermal output relay -J360- Low thermal output relay -J359- Oil pressure control valve -N428- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Piston cooling nozzle control valve -N522- Oil 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- < ai=4>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- Shut-off valve < /span>Cylinder head coolant valve -N489- Fuel tank control leak detection -J909- Oil pressure control valve -N428- Additional heating system pump -V488- Coolant unit -N82- |
| 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- Control unit < /span> Crankcase breather heating element -N79- Flow meter < /span> Activated carbon filter valve 1 -N80- Valve timing control -N205- Valve 1 Valve timing control -N318- Valve 1 Auxiliary heating system pump -V488- Air solenoid -G70- Glow plug -J179- Automatic system |
| 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 transmission oil -V475- |
| 14 | 40A | Windshield heating relay -J47- |
| 15 | 15A | Horn relay -J413- |
| 16 | 20A | Engine component power supply relay -J757- |
| 17 | 7.5 A | Engine / engine control unit -J623- ABS control unit -J104- Windscreen heating relay -J47- |
| 18 | 5A/7.5A | Battery control unit -J367- Data bus diagnostic interface -J533- |
| 19 | 30A | Wiper motor control unit -J400- |
| 20 | 10A | Audible signal -H12- |
| 21 | 30A | Windscreen heating relay 2 -J611- |
| 22 | 5A/7.5A | Engine / engine control unit -J623- |
| 23 | 30A | Starter -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-
- R3 Horn relay -J413-
- R4 High thermal power relay -J360-
- R5 Main relay -J271- (petrol) / Terminal 30 power supply relay -J317- (diesel)
- R6 Glow plug automatic control unit -J179- (petrol)
- R7 Low thermal power relay -J359-(diesel)
- R8 Engine component power supply relay J757 (2.0 l petrol engine)
- R9 Windscreen heating relay -J47-
- R10 Windscreen heating relay 2 -J611-