Volkswagen Passat B8 (2015-2021) – fuse box
Volkswagen Passat B8 – fuse box diagram
Year of production: 2015, 2016, 2017, 2018, 2019, 2020, 2021.
The cigarette lighter fuse (power socket) on the Volkswagen Passat B8 is a 40 fuse in the fuse box in the passenger compartment.
Passenger compartment
It is located under the dashboard, on the driver’s side, behind the glove box.
Number | Amperes [A] | Description |
1 | 30A | Reducing agent heater control unit -J891- |
2 | 10 A. | Steering column electronics control unit -J527- |
3 | – | – |
4 | 7.5A / 10A | Alarm horn -H12- |
5 | 5A / 7.5A | Data bus diagnostic interface -J533- |
6 | 5A / 7.5A | Gear shift lever -E313- |
7 | 10 A. | Heater and air conditioning controls -EX21-; Rear air conditioning system control and display unit -E265-; Remote control receiver for additional coolant heater -R149-; Heated rear window relay -J9-; |
8 | 7.5A / 10A | Rotary light switch -EX1-;
Electromechanical parking brake button -E538-; Rain and light sensor -G397-; Diagnostic connector -U31-; Anti-theft alarm sensor -G578-; |
9 | 5A / 7.5A | Steering column electronics control unit -J527- |
10 | 7.5A / 10A | Front information display display and operating unit control unit -J685-; Head-up display control unit -J898-. |
11 | 40A | Onboard 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 blower control unit -J126- |
15 | 10 A. | Electronic steering column lock control unit -J764- |
16 | 7.5A | Bidirectional repeater for mobile phones / data services -J984-; USB 1 charging socket -U37-; Storage box with interface for mobile phone -R265-; USB hub -R293-. |
17 | 7.5A | Dashboard panel insert -KX2-; Alarm call module control unit and communication unit -J949-. |
18 | 7.5A | Control unit for top camera -J928-;
Back cover handle -EX37-; Rear top camera -R246-. |
19 | 7.5A | Interface to input and commissioning system -J965- |
20 | 7.5A / 10A / 15A | Reducer 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 adjustment control unit -J245- |
24 | 40A | Onboard supply control unit -J519- |
25 | 30A | Driver door control unit -J386-; Driver side rear door control unit -J926-. |
26 | 30A | Onboard supply control unit -J519- |
27 | 30A | Onboard supply control unit -J519- |
28 | 25A | Trailer detector control unit -J345- |
29 | 5A | Remote start system relay -J471- |
30 | 10 A. | Remote start system relay -J471- |
31 | 30A | Rear cover control unit -J605- |
32 | 10 A. | Front camera for driver assistance systems -R242-;
Adaptive cruise control control unit -J428-; Parking assist control unit -J446-; Lane change assistant control unit -J769-; Lane change assistant control unit 2 -J770-. |
33 | 5A / 7.5A | Airbag control unit -J234- |
34 | 7.5A | Interior mirror -EX5-;
Power sockets relay -J807-; Reversing light switch -F4-; Refrigerant circuit pressure sensor -G805-; Air quality sensor -G238-; Central switch module in dashboard -EX22-; Switch module 1 in center console -EX23-; Material sound control unit -J869-; Electromechanical parking brake button -E538-. |
35 | 7.5 / 10A | Diagnostic connection -U31- |
36 | 5A / 7.5A | Right front 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 | 12 V socket -U5-;
12 V socket 2 -U18-; 12 V socket 3 -U19-. |
41 | 25A | Front right seat belt -NX11- |
42 | 40A | Onboard supply control unit -J519- |
43 | 40A | Digital sound packet control unit -J525- |
44 | 15A | Trailer detector control unit -J345- |
45 | 15A | Driver seat adjustment control unit -J810-;
Front left seat cushion fan 1 -V514-; Front left seatback fan 1 -V512-. |
46 | 30A | DC / AC converter with socket, 12 V – 230 V -U13- |
47 | – | – |
48 | – | – |
49 | 5A / 7.5A | Clutch position sender -G476-; Starter relay 1 -J906-; Starter relay 2 -J907-. |
50 | 40A | Rear cover control unit -J605- |
51 | 25A | Control panel and display for rear air conditioning -E265- |
52 | 15A | Electronically controlled damping control unit -J250- |
53 | 30A | Heated rear window relay -J9- |
The following fuses are also located in the fuse box holder:
A | 15A | Control panel for adjusting the right front seat -EX34-;
Right front seat cushion fan 1 -V518-; Right front seatback fan 1 -V516-. |
B | 5A | Remote start system relay -J471- |
C. | 7.5A | USB charging socket 1 -U37- |
R1 | Remote start system relay -J471- |
Relay
- R1 Relay for reducing agent metering system -J963-
- R2 –
- R3 –
- R4 Terminal 15 voltage supply relay -J329-
- R5 Heated rear window relay -J9-
- R6 Relay for power sockets -J807-
Engine compartment
It is located on the left side of the battery and is covered with a protective cover. It consists of 2 sections: a communication section with fuses and relays, and a section for high-power fuses.
The scheme of the fuse box
Number | Amperes [A] | Description |
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 sensor -G266-; Turbine diverting valve -N529-; Engine components current supply relay -J757-. |
5 | 10 A. | Fuel pressure regulating valve -N276-;
Fuel metering valve -N290-; Engine components current supply relay -J757-; Turbine diverting 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 heating pump -V488-; Cylinder head coolant valve -N489-; Oil pressure regulating valve -N428-; Fuel tank control unit leak detection -J909-. |
8 | 15A | Lambda probe 1 in front of the catalyst -GX10-; Lambda probe 1 after catalyst -GX7-; NOx sensor driver -GX30-; NOx sensor 2 driver -J881-. |
9 | 5A / 10A | Exhaust flap control unit -J883-;
Exhaust flap control 2 -J945-; Automatic glow period control unit -J179-; Crankcase breather heater element -N79-; Air mass meter -G70-; Auxiliary pump for heating -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 gearbox oil -V475- |
14 | 40A | Heated windshield relay -J47- |
15 | 15A | Horn relay -J413- |
16 | 20A | Engine components current supply relay -J757- |
17 | 7.5A | Engine control unit -J623-;
ABS control unit -J104-; Heated windshield relay -J47-. |
18 | 5A / 7.5A | Battery monitor control unit -J367-;
Data bus diagnostic interface -J533-. |
19 | 30A | Wiper motor control unit -J400- |
20 | 10 A. | Alarm horn -H12- |
21 | 30A | Heated windshield 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 | Heated windshield relay 2 -J611- |
34 | 30A | Heated windshield 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-
- R4 High heat output relay -J360-
- R5 Main relay -J271- (petrol) / Terminal 30 voltage supply relay -J317- (diesel)
- R6 Automatic glow period control unit -J179- (petrol)
- R7 Low heat output relay -J359- (diesel)
- R8 Engine components current supply relay -J757- (2.0l petrol engine)
- R9 Heated windshield relay -J47-
- R10 Relay for heated windshield 2 -J611-