Volkswagen Passat (B8; 2015 – 2019) – fuse and relay box diagram

Year of production: 2014, 2015, 2016, 2017, 2018, 2019

 

This article covers the eighth-generation Volkswagen Passat (B8), manufactured from 2014 to 2022. It includes fuse box diagrams for the 2014 through 2019 models, provides information on the locations of the fuse panels inside the vehicle, and details the purpose and layout of each fuse and relay.

Passenger Compartment Fuse Box (Fuse Panel C -SC-)

Fuse Box Diagram

 

Assignment of the fuses in the instrument panel fuse box

№	Amps	Function / component
SC1	30 A	Control unit for reducing agent heater
SC2	10 A	Steering column electronics control unit
SC3	–	–
SC4	7.5 A	Alarm horn
SC5	5 A / 7.5 A	Data bus diagnostic interface
SC6	5 A / 7.5 A	Anti-theft alarm sensor Selector lever
SC7	10 A	Heater and air conditioning controls Selector lever Remote control receiver for auxiliary coolant heater Heated rear window relay Analogue clock Operating and display unit for rear air conditioning system Tyre Pressure Monitoring System control unit Magnetic clutch relay
SC8	10 A / 7.5 A	Rotary light switch Electromechanical parking brake button Rain and light sensor Diagnostic connection Anti-theft alarm sensor Front interior light Light for left dashboard background lighting Light for right dashboard background lighting Light for front left door contour lighting Light for front right door contour lighting Light for rear left door contour lighting Light for rear right door contour lighting Control unit for cornering light and headlight range control
SC9	1 A / 5 A / 7.5 A	Steering column electronics control unit
SC10	7.5 A / 10 A	Display unit for front information display and operating unit control unit TV tuner Control unit for Head-up Display CD player
SC11	25 A / 40 A	Control unit for front left belt tensioner Onboard supply control unit Front left headlight
SC12	5 A / 7.5 A / 20 A	Control unit 1 for information electronics
SC13	15 A / 25 A	Electronically controlled damping control unit Control unit for front left belt tensioner
SC14	30 A / 40 A	Fresh air blower control unit
SC15	10 A	Control unit for electronic steering column lock
SC16	7.5 A	Two-way signal amplifier for mobile telephone/data services Storage compartment with interface for mobile telephone USB hub Chip card reader TV tuner
SC17	5 A / 7.5 A	Dash panel insert Emergency call module control unit and communication unit Telematics control unit for real-time monitoring
SC18	7.5 A	Reversing camera Rear lid handle release button Control unit for overhead view camera Rear overhead view camera
SC19	7.5 A	Interface for entry and start system
SC20	7.5 A / 10 A	Relay for reducing agent metering system
SC21	15 A	All-wheel drive control unit
SC22	15 A	Trailer detector control unit
SC23	40 A / 20 A	Onboard supply control unit Front right headlight Sliding sunroof adjustment control unit
SC24	30 A / 40 A	Sliding sunroof adjustment control unit Onboard supply control unit Front right headlight
SC25	30 A	Driver door control unit (Only left-hand drive models) Front passenger door control unit (Only right-hand drive models) Rear left door control unit Rear left window regulator motor
SC26	30 A	Onboard supply control unit Seat heating
SC27	30 A / 40 A	Digital sound package control unit Onboard supply control unit
SC28	20 A / 25 A	Trailer detector control unit
SC29	–	–
SC30	10 A	High-voltage battery 1 Maintenance connector for high-voltage system
SC31	30A / 40 A	Onboard supply control unit Front left headlight Rear lid control unit
SC32	7.5 A / 10 A	Front camera for driver assist systems Adaptive cruise control unit Parking aid control unit Park assist steering control unit Blind Spot Monitor control unit Blind Spot Monitor control unit 2
SC33	5 A / 7.5 A	Airbag control unit Warning lamp for airbag deactivated on front passenger side
SC34	7.5 A	Electromechanical parking brake button Interior mirror Relay for power sockets Pedestrian protection warning lamp Switch module 2 in centre console Pressure sender for refrigerant circuit External air quality and air humidity sensor
SC35	7.5 A / 10 A	Diagnostic connection Headlight range control and instrument illumination regulator Control unit for cornering light and headlight range control Front left headlight Left headlight range control motor Front right headlight Right headlight range control motor
SC36	5 A / 7.5 A	Front right headlight Output module 1 for right LED headlight
SC37	5 A / 7.5 A	Front left headlight Output module 1 for left LED headlight
SC38	25 A	Trailer detector control unit
SC39	30 A	Front passenger door control unit (Only left-hand drive models) Driver door control unit (Only right-hand drive models) Rear right door control unit Rear right window regulator motor
SC40	20 A	Cigarette lighter 12V socket 12V socket 2 12V socket 3
SC41	25 A	Control unit for front right belt tensioner
SC42	40 A	Onboard supply control unit Central locking
SC43	30 A / 40 A	Onboard supply control unit Digital sound package control unit
SC44	15 A	Trailer detector control unit
SC45	15 A	Driver seat lumbar support adjustment switch Driver seat adjustment operating unit Driver seat adjustment control unit Operating unit for front left seat adjustment Massage control unit Front left seat cushion fan 1 Front left seat backrest fan 1
SC46	30 A	DC/AC converter with socket, 12V – 230V
SC47	15 A / 7.5 A	Rear window wiper motor Rear roller blind control unit
SC48	7.5 A	Engine sound generator control unit
SC49	5 A / 7.5 A	Clutch position sender Starter relay 1 Starter relay 2 High-voltage battery 1
SC50	40 A	Rear lid control unit
SC51	25 A	Operating and display unit for rear air conditioning system
SC52	15 A	Electronically controlled damping control unit
SC53	30 A	Heated rear window relay
R1		Relay for reducing agent metering system
R2		Magnetic clutch relay
R3		–
R4		Terminal 15 voltage supply relay
R5		Heated rear window relay
R6		Relay for power sockets

Fitting location of front passenger seat adjustment thermal fuse

 

Assignment of the fuses in the front passenger seat adjustment thermal fuse

№	Amps	Function/component
A	15 A	Operating unit for front right seat adjustment Front right lumbar support adjustment switch Front right seat cushion fan 1 Front right seat backrest fan 1
B	–

Engine Compartment Fuse Box (Fuse panels B -SB- & A -SA-)

Fuse Box Diagram

 

Assignment of the fuses in the engine compartment fuse box

№	Amps	Function / component
SB1	25 A / 40 A	ABS control unit
SB2	40 A	ABS control unit ABS hydraulic pump
SB3	15 A / 30 A	Engine/motor control unit
SB4	10 A / 5 A / 7.5 A	Radiator fan Oil level and oil temperature sender Relay for reducing agent metering system High heat output relay Low heat output relay Charge pressure positioner Activated charcoal filter solenoid valve 1 Exhaust camshaft control valve 1 Camshaft control valve 1 Valve for oil pressure control Inlet cam actuator for cylinder 2 Exhaust cam actuator for cylinder 2 Inlet cam actuator for cylinder 3 Exhaust cam actuator for cylinder 3 Fuel cooling valve Exhaust gas recirculation cooler changeover valve Charge pressure control solenoid valve Turbocharger air recirculation valve Power steering control unit
SB5	10 A	Fuel pressure regulating valve Fuel metering valve Camshaft control valve 1 Exhaust cam actuator A for cylinders 1-4 Exhaust cam actuator B for cylinders 1-4 Injector, cylinders 1-4 Engine component current supply relay Coolant valve for gearbox Coolant pump for high-voltage battery Coolant pump for high-temperature circuit
SB6	5 A / 7.5 A	Brake light switch
SB7	10 A / 15 A / 7.5 A	Fuel metering valve Circulation pump Radiator blind control motor Coolant valve for cylinder head Valve for oil pressure control Exhaust gas recirculation cooler changeover valve Charge pressure positioner Coolant pump for high-temperature circuit Charge air cooling pump Auxiliary pump for heating Coolant valve for gearbox Coolant shut-off valve Gearbox oil cooling pump Fuel pressure regulating valve Coolant changeover valve 2 Coolant changeover valve 1 Coolant pump for low-temperature circuit
SB8	10 A / 15 A	Lambda probe 1 before catalytic converter Lambda probe heater Lambda probe 1 after catalytic converter Lambda probe 1 heater after catalytic converter NOx sender
SB9	20 A / 5 A / 10 A / 7.5 A	Ignition coils 1-4 with output stage Heater element for crankcase breather Automatic glow period control unit Air mass meter Charge air cooling pump Activated charcoal filter solenoid valve 1 Exhaust camshaft control valve 1 Camshaft control valve 1
SB10	20 A / 10 A / 15 A	Fuel pump control unit
SB11	40 A	Auxiliary air heater element
SB12	40 A	Auxiliary air heater element
SB13	30 A / 15 A / 7.5 A	Mechatronic unit for dual clutch gearbox Dual clutch gearbox Auxiliary hydraulic pump 1 for gearbox oil Brake servo
SB14	40 A / 30 A	Heated windscreen relay
SB15	15 A	Horn relay
SB16	10 A / 20 A	Engine component current supply relay Power and control electronics for electric drive Charging unit 1 for high-voltage battery
SB17	7.5 A	Main relay Terminal 30 voltage supply relay Engine/motor control unit ABS control unit Heated windscreen relay
SB18	5 A / 7.5 A	Battery monitor control unit Data bus diagnostic interface
SB19	30 A	Wiper motor control unit
SB20	10 A	Alarm horn
SB21	30 A / 15 A	Heated windscreen relay 2 Mechatronic unit for dual clutch gearbox Dual clutch gearbox Auxiliary hydraulic pump 1 for gearbox oil
SB22	5 A / 7.5 A	Engine/motor control unit
SB23	30 A	Starter
SB24	40 A	Auxiliary air heater element Brake servo
SB25	–	–
SB26	–	–
SB27	–	–
SB28	–	–
SB29	–	–
SB30	–	–
SB31	–	–
SB32	30 A	Heated windscreen (Only models with battery at rear)
SB33	15 A / 30 A	Mechatronic unit for dual clutch gearbox Dual clutch gearbox Brake system pressure accumulator
SB34	5 A / 30 A	Brake servo Heated windscreen (Only models with battery at front)
SB35	30 A / 7.5 A	Wiper motor control unit Air conditioning system relay
SB36	–	–
SB37	20 A	Auxiliary heater control unit
SB38	–	–
SA1	125 A / 80 A	Supply for fuse holder C -SC- Fuses on fuse holder C: 2, 14, 22, 31, 38, 41, 46, 51, 53 Relay for power sockets Terminal 15 voltage supply relay Radiator fan (Only models with battery at rear)
SA2	400 A	Alternator
SA3	80 A	Power steering control unit (Only models with battery at front)
SA4	80 A	Supply for fuse holder C Terminal 30 Fuses on fuse holder C: 1, 3, 15, 21, 23, 28, 43, 45, 50 Power steering control unit (Only models with battery at rear)
SA5	50 A	Radiator fan Supply for fuse 4 on fuse holder A Power steering control unit (Only models with battery at rear)
R1		Starter relay 1
R2		Starter relay 2
R3		Horn relay
R4		High heat output relay (Only models with auxiliary air heater)
R5		Main relay (Only models with petrol engine) Terminal 30 voltage supply relay (Only models with diesel engine)
R6		Automatic glow period control unit (Only models with diesel engine) Coolant shortage indicator control unit (Only models with hybrid drive system)
R7		Low heat output relay (Only models with auxiliary air heater)
R8		Air conditioning system relay (Only models with hybrid drive system) Engine component current supply relay (Only models with a 1.8–2.0l petrol engine)
R9		Heated windscreen relay 1
R10		Heated windscreen relay 2

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B9; 2024 – 2025) – fuse and relay box diagram

Year of production: 2024, 2025

 

This article focuses on the ninth-generation Volkswagen Passat (B9), produced in 2024 and 2025. It includes fuse box diagrams for the 2024 and 2025 models, provides details on the locations of the fuse panels within the vehicle, and explains the function and layout of each fuse and relay.

Fuse Holder A

Fuse Box Diagram

 

Assignment of the fuses in the engine compartment (Fuse Holder A)

№	Amp	Function / component
SA1	150A	Fuse holder B -SB-
SA2	100A	Radiator fan -VX57-
SA3	200A	Radiator fan -VX57-
508	–	Fuse carrier 4 -ST4-
SA4	125A	Fuse holder C -SC-
SA5	125A	Fuse holder C -SC-

Fuse Holder B

Fuse Box Diagram

 

Assignment of the fuses in the engine compartment (Fuse Holder B)

№	Amp	Function / component
F1	–	–
F2	7.5A	ABS control unit -J104- (Fuse with silver-plated plug contacts)
F3	–	–
F4	30A	Front left headlight -MX1- (Fuse with silver-plated plug contacts)
F5	30A	Front right headlight -MX2- (Fuse with silver-plated plug contacts)
F6	–	–
F7	30A	Auxiliary hydraulic pump 1 for gearbox oil -V475-
F8	40A	Brake servo -NX6- (Right-hand drive)
F9	15A	Horn
F10	30A	Windscreen wiper -VX58-
F11	–	–
F12	30A (0CW) 15A (0GC)	Mechatronic unit for dual clutch gearbox -J743-
F13	–	–
F14	20A	Auxiliary heater control unit -J364- (For models with auxiliary heating)
F15	40A	ABS control unit -J104-
F16	50A	Radiator fan -VX57-
F17	40A	Auxiliary air heater element -Z35-
F18	40A	Auxiliary air heater element -Z35-
F19	–	–
F20	–	–
F21	–	–
F22	–	–
F23	10A	Engine/motor control unit -J623- (Fuse with silver-plated plug contacts)
F24	5A/10A	Radiator fan -VX57- (Fuse with silver-plated plug contacts) Exhaust camshaft control valve 1 -N318- Inlet camshaft control valve 1 -N727- Valve for oil pressure control -N428- Activated charcoal filter solenoid valve 1 -N80- Inlet cam actuator for cylinder 2 -N583- Exhaust cam actuator for cylinder 2 -N587- Inlet cam actuator for cylinder 3 -N591- Exhaust cam actuator for cylinder 3 -N595- Function unit for active oil separation -GX47-
F25	–	–
F26	10A	Charge air cooling pump -V188-
F27	10A	Lambda probe 1 before catalytic converter -GX10- Lambda probe 1 after catalytic converter -GX7-
F28	20A	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292-
F29	15A (FWD) 20A (AWD)	Fuel pump control unit -J538-
F30	–	–
F31	–	–
F32	40A	Heated windscreen relay -J47-
F33	40A	Auxiliary air heater element -Z35- (Diesel)
R1		Main relay-J271- (Gasoline)
R2		High heat output relay -J360- (Diesel)
R3		–
R4		Horn relay -J413-
R5		–
R6		–
R7		–
R8		Low heat output relay -J359-
R11		Heated windscreen relay -J47-

Fuse Carrier 4

Fuse Box Diagram

 

Assignment of the fuses in the Fuse Carrier 4

№	Amp	Function / component
A	400A	Voltage converter, 48V / 12V -A7- (Models with 48-volt hybrid system) Starter -B- (Models without 48-volt hybrid system)
B	–	–
C	–	–
D	40A	ABS control unit -J104-
E	40A	ABS control unit -J104-
F	40A	Brake servo -NX6- (Left-hand drive)

Fuse Holder C

Fuse Box Diagram

 

Assignment of the fuses in the Fuse Holder C (instrument panel)

№	Amp	Function / component
F1	–	–
F2	–	–
F3	25A	Trailer detector control unit -J345-
F4	20A	Control unit for reducing agent heater -J891- (Diesel)
F5	25A	Parking lock sender -G747-
F6	30A	Onboard supply control unit (interior lighting) -J519-
F7	30A	Heater and air conditioning system control unit (front seat heating) -J979-
F8	20A	Roof system control unit -J1355-
F9	30A	Driver door control unit -J386- (For left-hand drive models) Front passenger door control unit -J387- (For right-hand drive models) Rear driver side window regulator motor -V471- (For left-hand drive models) Rear passenger side window regulator motor -V472- (For right-hand drive models)
F10	–	–
F11	15A	Trailer detector control unit -J345-
F12	40A	Onboard supply control unit (exterior lighting – right-side) -J519-
F13	40A	Onboard supply control unit (central locking) -J519-
F14	30A	Digital sound package control unit -J525-
F15	–	–
F16	7.5A	Airbag control unit -J234-
F17	–	–
F18	7.5A	Entry and start authorisation control unit -J518- Driver exterior door handle -EX6- (For left-hand drive models) Front passenger exterior door handle -EX7- (For right-hand drive models) Control unit 2 for break-in protection -J1192- Control unit 3 for break-in protection -J1193- Control unit 4 for break-in protection -J1194- Control unit 5 for break-in protection -J1195- Control unit for electronic steering column lock -J764-
F19	7.5A	Dash panel insert -KX2- Emergency call module control unit and communication unit -J949-
F20	7.5A	Internet access control unit -J666- USB connection 1 -U41- Telephone bracket -R126- Transmission and reception stabilisation control unit -R308-
F21	7.5A	Lane change assist control unit -J769- Lane change assist control unit 2 -J770- Driver side exterior mirror -VX4- Passenger side exterior mirror -VX5- Rear lid handle -EX37-
F22	7.5A	Front camera for driver assist systems -R242- Adaptive cruise control unit -J428- Front left radar sensor control unit for object detection -J1088- Front right radar sensor control unit for object detection -J1089-
F23	15A	Front passenger seat adjustment operating unit -E471- Front right seat backrest fan 1 -V516- (For models with seat ventilation) Front right seat cushion fan 1 -V518- (For models with seat ventilation) Front right seat depth adjustment fan -V725- (For models with seat ventilation) Valve block 1 in front passenger seat -N477- (For seat adjustment with massage function) Control unit for front right massage seat -J804- (For seat adjustment with massage function)
F24	–	–
F25	25A	Front seat belt on driver side -NX19- (For left-hand drive models) Front seat belt on passenger side -NX18- (For right-hand drive models)
F26	30A	Driver door control unit -J386- (For right-hand drive models) Front passenger door control unit -J387- (For left-hand drive models) Rear driver side window regulator motor -V471- (For right-hand drive models) Rear passenger side window regulator motor -V472- (For left-hand drive models)
F27	25A	Front seat belt on driver side -NX19- (For right-hand drive models) Front seat belt on passenger side -NX18- (For left-hand drive models)
F28	–	–
F29	15A	Trailer detector control unit -J345-
F30	30A	Control unit 1 for information electronics (Infotainment system scope) -J794-
F31	25A	Trailer detector control unit -J345-
F32	25A	Operating and display unit for rear air conditioning system (rear seat heating) -E265-
F33	15A	Driver seat adjustment operating unit -E470- Front left seat backrest fan 1 -V512- (For models with seat ventilation) Front left seat cushion fan 1 -V514- (For models with seat ventilation) Front left seat depth adjustment fan -V724- (For models with seat ventilation) Control unit for front left massage seat -J803- (For seat adjustment with massage function) Valve block 1 in driver seat -N475- (For seat adjustment with massage function)
F34	30A	Voltage converter -A19-
F35	40A	Onboard supply control unit (exterior lighting – left-side) -J519-
F36	40A	Fresh air blower control unit -J126-
F37	30A	Rear lid control unit -J605-
F38	–	–
F39	10A	Steering column electronics control unit -J527-
F40	7.5A	Alarm horn -H12-
F41	7.5A	Data bus diagnostic interface -J533-
F42	7.5A	Selector mechanism -EX2- Selector lever position display -Y5-
F43	10A	Vehicle interior temperature sensor -G1090- Remote control receiver for auxiliary heater -R64- Heater and air conditioning system control unit -J979- Operating and display unit for rear air conditioning system -E265- Heated rear window relay -J9- Tyre Pressure Monitoring System control unit -J502-
F44	7.5A	Parking brake button -EX12- Diagnostic connection -U31- Front roof module -WX3- Anti-theft alarm sensor -G578- Operating unit for lighting -EX59- Control unit for cornering light and headlight range control -J745- Rain and light sensor -G397-
F45	7.5A	Steering column electronics control unit -J527-
F46	7.5A	Control unit for Head-up Display -J898- Display unit for front information display and operating unit control unit -J685-
F47	10A	Electronically controlled damping control unit -J250-
F48	7.5A	USB charging socket in headlining -U104-
F49	–	–
F50	–	–
F51	–	–
F52	20A	Cigarette lighter, sockets: 12V socket 4 -U20- 12V socket 3 -U19-
F53	–	–
F54	–	–
F55	–	–
F56	–	–
F57	–	–
F58	7.5A	Parking aid control unit -J446-
F59	7.5A	Parking brake button -EX12- Automatic anti-dazzle interior mirror -Y7- Air quality sensor -G238- Pressure sender for refrigerant circuit -G805- Reversing light switch -F4- Relay for power sockets -J807- Control unit for structure-borne sound -J869-
F60	7.5A	Diagnostic connection -U31-
F61	–	–
F62	–	–
F63	–	–
F64	–	–
F65	–	–
F66	15A	Rear window wiper motor -V12-
F67	30A	Heated rear window relay -J9-
R1		Relay for power sockets -J807-
R2		Terminal 15 voltage supply relay -J329-
R3		Heated rear window relay -J9-

Fitting location of individual fuses

Fuse Box Diagram (Left-hand drive vehicle)

 

Assignment of the fuses in the individual fuses (LHD)

№	Amp	Function / component
A	–	–
B	–	–
C	–	–
D	15A	Driver seat adjustment thermal fuse 2 -S45- – Front left seat backrest fan 1 -V512- – Front left seat cushion fan 1 -V514- – Driver seat adjustment operating unit -E470- – Seat and steering column adjustment control unit with memory -J136-
E	15A	Front passenger seat adjustment thermal fuse 1 -S46- – Front right seat backrest fan 1 -V516- – Front right seat cushion fan 1 -V518- – Front passenger seat adjustment operating unit -E471- – Front passenger seat adjustment with memory control unit -J521-
F	–	–
H	–	–
G	–	–
I	–	–
J	–	–
K	–	–
L	–	–
M	–	–
N	–	–
O	–	–
P	–	–

Fuse Box Diagram (Right-hand drive vehicle)

 

Assignment of the fuses in the individual fuses (RHD)

№	Amp	Function / component
A	–	–
B	–	–
C	–	–
D	–	–
E	–	–
F	–	–
G	–	–
H	–	–
I	–	–
J	–	–
K	–	–
L	–	–
M	15A	Front passenger seat adjustment thermal fuse 1 -S46- – Front left seat backrest fan 1 -V512- – Front left seat cushion fan 1 -V514- – Front passenger seat adjustment with memory control unit -J521- – Front passenger seat adjustment operating unit -E471-
N	15A	Driver seat adjustment thermal fuse 2 -S45- – Front right seat backrest fan 1 -V516- – Front right seat cushion fan 1 -V518- – Seat and steering column adjustment control unit with memory -J136- – Driver seat adjustment operating unit -E470-

Fuse for voltage converter (models with 48V hybrid system)

Fuse Box Diagram (Right-hand drive vehicle)

 

Assignment of the fuses for voltage converter

№	Amp	Function / component
A	125A	Fuse for voltage converter -S412- – Battery, 48V -A6- – Voltage converter (48V/12V) -A7-

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B5; 1996 – 2005) – fuse and relaybox diagram

Year of production: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005

 

In this article, we take a look at the Volkswagen Passat (B5, Type 3B), produced between 1996 and 2005. You will find fuse box diagrams for the 1996 –2005  Volkswagen  Passat B4, details on the locations of the fuse panels inside the vehicle, and information on the fuse and   relay assignments (fuse layout).

 

Passenger compartment

Fuse box location

Left cockpit fuse assignment

 

Fuse box diagram

 

Assignment of the fuses in the passenger compartment (left cocpit)

№	A	Circuits protected
1	5	Heated washer nozzle
2	10	Turn signal system
3	–	Not used
4	5	License plate light
5	10	Power Seats, air conditioning, telematics, Multi‐Function Steering Wheel, Power sunroof, mirror adjustment, HomeLink
6	5	Comfort module comfort system
7	10	ABS, Cruise Control system, Engine Control Unit
8	5	Automatic headlight beam adjusting
9	5	Parking aid
10	5	CD-Changer Unit, Telematics, Multi‐Function Steering Wheel, Navigation, Radio
11	5	Power Seats with Memory
12	10	B+ (battery positive voltage) for Data Link Connector (DLC)
13	10	Brake lights
14	10	Comfort module system
15	10	Instr. cluster, air conditioning, automatic transmission
16	5	ABS, Steering Angle Sensor
17	10 15	Power outlet, Telematics
18	10	Right headlight, high beam
19	10	Left headlight, high beam
20	15	Right headlight, low beam
21	15	Left headlight, low beam
22	5	Parklight, right
23	5	Parklight, left
24	25	Wiper system
25	30	Fresh air blower, recirculating control, air conditioning, Power sunroof
26	30	Rear window defogger
27	15	Rear window wiper system
28	20	Fuelpump (FP)
29	20	Engine Control Unit, Coolant Fan
30	20	Sunroof
31	15	Back‐up lights, cruise control system, automatic transmission, Mirror adjustments, diagnostic
32	20	Engine Control Module (ECM), cruise control system
33	15	Cigarette lighter
34	15	Engine Control Module (ECM), injectors
35	30	Trailer socket
36	15	Fog lights
37	20	Radio system, Navigation
38	15	Comfort module system
39	15	Emergency flasher system
40	25	Dual horn
41	25	Telematics
42	25	ABS
43	15	Engine Control Module (ECM)
44	30	Heated seats

Relay and fuse arrangements

Fuse/Relay box diagram

 

Assignment of the fuses in the fuse/relay box

Relay arrangement on thirteenfold auxiliary relay panel above relay panel
1	Coolant Fan Control (FC)‐A/C Relay (373)
2	Sun-Roof Relay (79)
3	A/C Clutch Relay (267) A/C Clutch Relay (384)
4	Daytime Running Lights Change‐Over Relay (173)
5	Taxi Alarm Relay High Beam Headlight Relay Emergency Flasher Relay
6	Selector Lever Light Relay
7	Fog Light Relay (381)
8	Control Module for Multi‐function steering wheel (451) Control Module for Multi‐function steering wheel (452)
9	Control Module for Multi‐function steering wheel (451) Control Module for Multi‐function steering wheel (452)
10	Brake Booster Relay (373)
11	Taxi Alarm Relay Emergency Flasher Relay (200)
12	Dual Horn Relay (53) Taxi Alarm Relay
13	Park/Neutral Position (PNP) Relay (175) Starting Interlock Relay‐Clutch Position (53)
Fuses at thirteenfold relay-panel
A	25	Fuse for Taxi
B	20	Fuse for Taxi
B	10	High Beam Headlight left,
C	15	Fuse for Brake System Vacuum Pump
D	20	Fuse for Power Outlet (12 V) Rear Console
E	5	Fuse for Taxi
E	10	High Beam Headlight right,
Relay locations on relay panel
1a	Dual Horn Relay (53)
2b	Load Reduction Relay (370)
3c	Not used
4d	Fuel Pump (FP) Relay (372) (409)
V	Wiper/Washer Intermittent Relay (377) (389) Wiper/Washer Intermittent Relay/Rainsensor (192)
VI	Wiper/Washer Intermittent Relay (377) (389) Wiper/Washer Intermittent Relay/Rainsensor (192)
Fuses on relay pane
A	20	Fuse for 12v socket I in luggage compartment
B	20	Fuse for 12v socket II in luggage compartment
C	10	Fuse for Taxi
*Numbers in parentheses indicate production control number stamped on relay housing.

Relay box location

Relay arrangements on eightfold (eight posion) auxiliary relay panel behind relay panel

 

Relay box diagram

 

Assignment of the fuses in the relay box

Relay locations on relay panel
1	Not used
2	Not used
3	Coolant Fan Control (FC) Relay 80 W (373)
4	Not used
5	First Speed Coolant Fan Control (FC) Relay (373)
6	Coolant Fan Control (FC) Relay (373)
7	Relay for ABS with ESP (373)
8	Coolant Fan Control (FC) Relay (370)
Fuses at eighthold auxiliary relay panel
30A	ABS Hydraulic Pump Fuse
30A	Power Window Fuse
30A 40A 60A	Coolant Fan Fuse
5A	Coolant Fan Fuse
30A 50A	ABS Hydraulic Pump Fuse
30A	Power Seat Circuit Breaker ‐ Passenger’s Seat
30A	Power Seat Circuit Breaker ‐ Driver’s Seat
30A	Alarm System with Anti‐Theft warning system ‐ Telematics
15A	Alarm System with Anti‐Theft warning system
*Numbers in parentheses indicate production control number stamped on relay housing.

Relay box diagram (Relay and fuse arrangements on Relay Panel)

 

Assignment of the fuses in the relay box

№	A	Circuits protected
B	10	Fuse for Injectors (S116)
B	5	Fuse for Auxiliary Engine Coolant (EC) Pump
D	50	Fuse for Secondary Air Pump (S130)
E	40	Fuse for Ignition coil termial (S115)
F	5	Engine control Module (ECM) Fuse (S102)
G	10	Engine Electronics Fuse (S282)
1	Motronic Engine Control Module Power Supply Relay (167), engine code BDP
2	Secondary Air Injection (AIR) Pump Relay (373), (100)
3	Motronic Engine Control Module Power Supply Reay (429), (219) Auxiliary Engine Coolant (EC) Pump Relay (53), (411)

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B7; 2011 – 2015) – fuse and relay box diagram

 

Year of production: 2011, 2012, 2013, 2014, 2015

 

This article focuses on the seventh-generation Volkswagen Passat (B7), produced between 2011 and 2015. It includes fuse box diagrams for the 2011–2015 Passat models, explains where the fuse panels are located inside the vehicle, and provides details on the function and layout of each fuse and relay

 

Fuse box location

 

1 – Pre-Fuse box (Fuse holder A -SA-);
2 – Relay carrier under electronics box;
3 – Terminal 30 wiring junction;
4 – Heated windscreen relay;
In plenum chamber next to engine control unit;
5 – Fuses on left under dash panel;
6 – Fuse holder on the right side edge of the instrument panel (Fuse holder D -SD-);
7 – Relays on onboard supply control unit;
8 – Fuses in the luggage compartment (Fuse holder F -SF-);
There are additional fuses above the vehicle battery behind the panel on the left side of the luggage Compartment.
9 – Fuse 2 (30) -S205- (60 A);
10 – Fuse holder on the left side edge of the instrument panel (Fuse holder C -SC-);
11 – Relay carrier 1 on left under dash panel;
12 – Relay carrier 2 on left under dash panel;
13 – Relay carrier under electronics box;
14 – Fuse box in the Engine compartment (Fuse holder B -SB-)

 

Passenger compartment

Fuse box location

Fuse Box in the Left side edge of the instrument panel

 

Fuse box diagram

 

Assignment of the fuses in the passenger compartment (instrument panel – left side)

№	Amp	Function/component
1	10	High-pressure sender -G65- Air quality sensor -G238- Oil level and oil temperature sender -G266- Fresh air blower relay -J13- DC./AC converter with socket, 12 V – 230 V -U13- Automatic anti-dazzle interior mirror -Y7- Heated rear left seat switch with regulator -E128- Heated rear right seat switch with regulator -E129-
2	5	Light switch -E1- TCS and ESP button -E256- Auto-hold button -E540- ABS control unit -J104- Power steering control unit -J500- Control unit for electromechanical parking brake -J540-
3	10	Current supply relay -J16- Heater element for crankcase breather -N79- Gas injection valve 1-N366- Gas injection valve 2 -N367- Gas injection valve 3 -N368- Gas injection valve 4 -N369-
4	10	Rear roller blind switch -E149- Start/Stop operation button -E693- Electronically controlled damping control unit -J250- Adaptive cruise control unit -J428- Parking aid control unit -J446- Trailer detector control unit -J345- Park assist steering control unit -J791- Front camera for driver assist systems -R242- Diagnostic connection -U31-
5	10	Headlight range control regulator -E102- Left headlight range control motor -V48- Right headlight range control motor -V49- Front left headlight (Only right-hand drive models) -MX1-
6	10	All-wheel drive control unit -J492-
7	5	Control unit in dash panel insert -J285- Data bus diagnostic interface -J533-
8	10	Front right headlight -MX2- (Only right-hand drive models)
9	10	Airbag control unit -J234- Front passenger side airbag deactivated warning lamp -K145-
10	10	Air mass meter -G70- Voltage stabiliser -J532- Fuel pump control unit -J538- Engine control unit -J623- Terminal 50 voltage supply relay -J682- Voltage supply relay 2 -J710- Starter relay 1 -J906- Starter relay 2 -J907-
11	5	Warning buzzer pedal switch on front passenger side -F349- (Only applicable to special vehicles)
12	20	Convenience system central control unit -J393- Front passenger door control unit (Only CC) -J387- Rear passenger side door control unit (Only CC) -J927-
13	10	Light switch -E1-Selector lever -E313- ABS control unit -J 104- Handbrake warning lamp -K139- Diagnostic connection -U31- ABS control unit -J104- T38/15
14	10	Interior monitor send and receive module 1 -G303- Alarm horn -H12-
15	10	Rain and light sensor -G397- Heated rear window relay -J9- Heated windscreen relay -J47- Climatronic control unit -J255- Air conditioning system control unit -J301- Reversing camera system control unit -J772- Control unit for terminal control and engine start -J942- Remote control receiver for auxiliary coolant heater -R149- Tyre Pressure Monitoring System control unit -J502-
16	10	Electronic ignition lock -D9- Electronic steering column lock control unit -J764- Control unit for terminal control and engine start -J942-
17	15	Driver door control unit (Only CC) -J386- Rear driver side door control unit (Only CC) -J926- Not used (from May 2012)
18	3A	Onboard supply control unit -J519- Voltage stabiliser -J532- Engine control unit -J623- Voltage supply relay 2 -J710-
19	–	Not used
20	–	Not used
21	10	Rear roller blind control unit -J262-
22	20	Control unit for electromechanical parking brake -J540-
23	15	Trailer detector control unit -J345- Electronically controlled damping control unit (Only right-hand drive models) -J250-
24	20	Control unit for electromechanical parking brake -J540-
25	5 (Only models with emergency call module) 15 (Only models with trailer socket) 30 (Only right-hand drive models)	Emergency assistance call button -E276- Trailer detector control unit -J345- Sunroof roller blind control unit (Only right-hand drive models) -J394-
26	20	Onboard supply control unit -J519-
27	15 (Only models with a petrol engine) 20 (Only models with a diesel engine)	Fuel pump control unit (Only models with a petrol engine) -J538- Fuel pump relay (Only models with a diesel engine) -J17- Electric fuel pump 2 relay (Only models with a diesel engine) -J49-
28	30	Driver door control unit (Only left-hand drive models) -J386- Rear driver side door control unit (Only left-hand drive models) -J926- Front passenger door control unit (Only right-hand drive models) -J387- Rear passenger side door control unit (Only right-hand drive models) -J927-
29	20	Heated rear seats control unit -J786-
30	20 (Only saloon) 30 (Only estate)	Sliding sunroof adjustment control unit -J245-
31	30	DC/AC converter with socket, 12 V-230 V -U13-
32	30	Heated rear window relay -J9-
33	30	Headlight washer system relay -J39-
34	25	Heated front seats control unit -J774-
35	15 (Only right-hand drive models)	Rear lid control unit (Only right-hand drive models) -J605- Driver seat lumbar support adjustment switch (Only left-hand drive models) -E176- (from May 2012)
36	15	Driver seat lumbar support adjustment switch -E176- Trailer voltage supply relay -J941- (from May 2012)
37	20 (Only left-hand drive models) 30 (Only right-hand drive models)	Trailer detector control unit (Only left-hand drive models) -J345- Rear lid control unit 2 (Only right-hand drive models) -J756-
38	40 (Only models with auxiliary heating)	Fresh air blower relay (Only models with Climatic) -J13- Fresh air blower control unit (Only models with Climatronic) -J126-
39	5	Selector lever -E313- Reversing light switch -F4- Mechatronic unit for dual clutch gearbox -J743-
40	20	Onboard supply control unit -J519- Rear window wiper motor -V12- Windscreen and rear window washer pump -V59-
41	20	Onboard supply control unit -J519- Cigarette lighter -U1- Rear cigarette lighter -U9-
42	15	12 V socket -U5-
43	20	Auxiliary heater control unit -J364- (Only models with second battery)
44	30	Driver door control unit (Only right-hand drive models) -J386- Rear driver side door control unit (Only right-hand drive models) -J926- Front passenger door control unit (Only left-hand drive models) -J387- Rear passenger side door control unit (Only left-hand drive models) -J927-
45	20	Auxiliary heater operation relay -J485- (Only models with second battery)
46	–	Not used
47	5 (Only models with start/stop system)	Analogue clock -Y- TV tuner -R78- Mobile telephone operating electronics control unit -J412- Control unit for navigation system (Only models with equipment for Korea) -J856-
48	5	Control unit in dash panel insert -J285- (Only models with start/stop system)
49	–	Not used

 

Fuse box location

Fuse Box in the righteft side edge of the instrument panel

 

Fuse box diagram

 

Assignment of the fuses in the passenger compartment (instrument panel – right side)

№	Amp	Function/component
1	30 15 (Only right-hand drive models)	Rear lid control unit (Only estate) (left-hand drive models) -J605- Trailer detector control unit (Only right-hand drive models) -J345-
2	30 20 (Only right-hand drive models)	Rear lid control unit 2 (Only estate (left-hand drive models)) -J756- Trailer detector control unit (Only right-hand drive models) -J345-
3	30 15 (Only right-hand drive models)	Sunroof roller blind control unit (Only estate (left-hand drive models)) -J394- Trailer detector control unit (Only right-hand drive models) -J345-
4	15	Electronically controlled damping control unit -J250- Not used (Only right-hand drive models)
5	–	Not used
6	–	Not used
7	–	Not used
8	–	Not used
9	–	Not used
10	–	Not used
11	–	Not used
12	–	Not used
13		Special vehicles
14		Special vehicles
15		Special vehicles
16		Charging station for hand-held 2-way radio -U24- Charging station 2 for hand-held 2-way radio -U28- Charging station 2 for torch -U29-
17		Special vehicles
18		Special vehicles
19		Special vehicles
20		Special vehicles
21		Special vehicles
22		Special vehicles
23		Special vehicles
24		Special vehicles

 

Fuses on left under dash panel

Fuse box location

Fuses on left under dash panel

 

Fuse box diagram

 

Assignment of the passenger compartment (left under dash panel)

№	Amp	Function/component
A	–	Not assigned
B	–	Driver seat adjustment thermal fuse 1 -S44-
Relays
1		Fresh air blower relay -J13- (Climatic with auxiliary heater)
2		Auxiliary heater operation relay -J485- (Climatic with auxiliary heater)
3		Auxiliary heater operation relay -J485- (Diesel engine with auxiliary heater)
4		Not used
5		Continued coolant circulation relay -J151- (only 1.8l / 2.0l TFSI) Current supply relay -J17-
6		Terminal 50 voltage supply relay -J682- (not for models with start/stop system)
7		Voltage supply relay 2 -J710- (not for models with start/stop system)
8		Voltage supply relay 2 -J710- (not for models with start/stop system)

 

Relay carrier 1 on left under dash panel

Fuse box location

Relay carrier 1 on left under dash panel

 

Fuse box diagram

 

Relay carrier 1 on left under dash panel

№	Function/component
1	Vacant
2	Vacant
3	Vacant
4	Vacant
5	Vacant
6	Vacant

Relay carrier 2 on left under dash panel

Fuse box location

Relay carrier 2 on left under dash panel

 

Fuse box diagram

 

Relay carrier 2 on left under dash panel

№	Function/component
1	Heated rear window relay -J9- (645)
2	Terminal 15 voltage supply relay -J329- (645)
3	Dual tone horn relay -J4- (646) Headlight washer system relay -J39- (646)
4	Trailer voltage supply relay -J941- (from May 2012) Vacant
5	X-contact relief relay -J59- (644)

 

Pre-Fuse box (type 1)

Fuse box diagram

 

Pre-Fuse box, type 1

№	A	Function/component
SA1	150 / 180	Alternator -C-
SA2	80	Electromechanical power steering motor -V187-
SA3	50	Radiator fan control unit -J293-
SA4	60	Fuse 12 on fuse holder C -SC12- to fuse 17 on fuse holder C -SC17- Fuse 22 on fuse holder C -SC22- to fuse 27 on fuse holder C -SC27- Fuse 28 on fuse holder C -SC28- Fuse 44 on fuse holder C -SC44- Fuse 46 on fuse holder C -SC46-
SA5	80	Fuse 29 on fuse holder C -SC29- to fuse 31 on fuse holder C -SC31-
SA6	70	Fuse 32 on fuse holder C -SC32- to fuse 37 on fuse holder C -SC37-
SA7	60	Second battery charging circuit relay -J713- High heat output relay -J360- Fuse 38 on fuse holder C -SC38- Fuse 43 on fuse holder C -SC43- Fuse 45 on fuse holder C -SC45-
SA8	40	ABS control unit -J104-

 

 

Pre-Fuse box (type 2)

Fuse box diagram

 

Pre-Fuse box, type 2

No	A	Function/component
SA1	150/180	Alternator -C-
SA2	80	Electromechanical power steering motor -V187-
SA3	60	Fuse 32 on fuse holder C -SC32- to fuse 37 on fuse holder C -SC37-
SA4	50	Radiator fan control unit -J293-
SA5	–	Not used
SA6	80	Fuse 29 on fuse holder C -SC29- to fuse 31 on fuse holder C -SC31-
SA7	40	ABS control unit -J104-

 

Engine compartment fuse box

Fuse box diagram (type 1)

 

Assignment of the fuses in the engine compartment, type 1

№	Amp	Function/component
SB1	15	Mechatronic unit for dual clutch gearbox (for CNG models only) (Only ethanol vehicles) -J743- (from May 2012)
SB2	30	ABS control unit -J104-
SB3	20	Treble horn -H2- Bass horn -H7- Dual tone horn relay -J4-
SB4	20	Trailer detector control unit -J345-
SB5	5	Battery monitoring control unit -J367- Onboard supply control unit -J519-
SB6	15 / 40	Mechatronic unit for dual clutch gearbox (Only models with diesel engines) (Only for petrol engine with forced induction) -J743- Low heat output relay (for CNG models only) (Only for petrol engine without forced induction) -J359-
SB7	15 (Only models with radio), (Only models with start/stop system) 20 (Only models with navigation system), (Only models with start/stop system) 30 (Only models with start/stop system)	Radio -R- Control unit with display for radio and navigation -J503- Voltage stabiliser (Only models with start/stop system) -J532-
SB8	30	Mechatronic unit for dual clutch gearbox -J743-
SB9	5	Steering column electronics control unit -J527-
SB10	20	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N 127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Fuel pressure regulating valve -N276- Fuel metering valve -N290-
SB11	5	Control unit in dash panel insert -J285-
SB12	5	TV tuner -R78- Mobile telephone operating electronics control unit -J412- Analogue clock -Y- Control unit for navigation system (Only models with equipment for Korea) -J856-
SB13	10	Motronic current supply relay -J271- Terminal 30 voltage supply relay -J317- Engine control unit -J623-
SB14	25 (Only models with a petrol engine) 30 (Only models with diesel engines)	Engine control unit -j623- Engine control unit -j623-
SB15	5	Data bus diagnostic interface -J533-
SB16	10 / 15	Charge pressure control solenoid valve (Only models with diesel engines) -N75- Exhaust gas recirculation cooler changeover valve -N345- Magnetic clutch for supercharger (Only models with a petrol engine) -N421- Continued coolant circulation relay (Only models with a petrol engine) -J151- Continued coolant circulation pump (Only models with a petrol engine) -V51- Coolant circulation pump 2 -V178-
SB17	10 40 (Only models with auxiliary air heater)	Fuel pressure regulating valve -N276- Fuel tank shut-off valve 1-N361- Fuel tank shut-off valve 2 -N362- Fuel tank shut-off valve 3 -N363- Coolant circulation pump -V50- Low heat output relay (Only models with auxiliary air heater) -J359-
SB18	10 (Only models without reducing agent metering system) 30 (Only models with reducing agent metering system)	Fuel quality sender -G446- High-pressure valve for gas mode -N372-
SB19	30	Amplifier -R12- Special vehicle control unit (Only applicable to special vehicles) -J608-
SB20	5 15 (for CNG models only), (Only ethanol vehicles)	Brake light switch -F- Clutch position sender -G476- Low heat output relay -J359- High heat output relay -J360- Engine component current supply relay -J757- Fuel pressure regulating valve -N276-
SB21	20	Auxiliary heater control unit -J364-
SB22	30	Wiper motor control unit -J400-
SB23	10	Brake light switch -F- Air mass meter -G70- Clutch position sender -G476- Fuel pump relay -J17- Automatic glow period control unit -J179- Radiator fan control unit -J293- Additional coolant pump relay -J496- Charge pressure control solenoid valve -N75- Activated charcoal filter solenoid valve 1-N80- Camshaft control valve 1-N205- Turbocharger air recirculation valve -N249- Intake manifold flap valve -N316- Valve for oil pressure control -N428-
SB24	10 (Only models with diesel engines), (Only models without reducing agent metering system) 15	Lambda probe heater -Z19- Lambda probe 1 heater after catalytic converter -Z29- NOx sender 2 control unit (Only models with reducing agent metering system) -J881-
SB25	40	Onboard supply control unit -J519-
SB26	40	Onboard supply control unit -J519-
SB27	60	Heated windscreen relay -J47-
SB28	50	Automatic glow period control unit (Only models with diesel engines) -J179-
SB29	50	Fuse 38 on fuse holder C (Only models with air conditioning system/Climatronic) -SC38- Fuse 40 on fuse holder C -SC40- to fuse 42 on fuse holder C -SC42 -X- contact relief relay -J59-
SB30	40	Terminal 15 voltage supply relay -J329- Fuse 1 on fuse holder C -SCI- to fuse 11 on fuse holder C -SC11- Fuse 20 on fuse holder C -SC20- Fuse 21 on fuse holder C -SC21- Fuse 39 on fuse holder C -SC39- Fuse 18 on fuse holder C (Only models with start/stop system) -SC18-
Relays
A1		Engine component current supply relay -J757-
A2		Terminal 30 voltage supply relay -J317- (Diesel engine) Motronic current supply relay -J271- (Petrol engine)

 

Engine compartment fuse box

Fuse box diagram (type 2)

 

Assignment of the fuses in the engine compartment, type 2

№	Amp	Function/component
SB1	5 (Only models with automatic gearbox) 10 (Only models with dual clutch gearbox)	Automatic gearbox control unit -J217- Mechatronic unit for dual clutch gearbox -J743-
SB2	30	ABS control unit -J104-
SB3	15	Trailer detector control unit -J345-
SB4	–	Not used
SB5	20	Treble horn -H2- Bass horn -H7- Dual tone horn relay -J4-
SB6	20	Ignition coil 1 with output stage -N70- Ignition coil 2 with output stage -N 127- Ignition coil 3 with output stage -N291- Ignition coil 4 with output stage -N292- Ignition coil 5 with output stage -N323- Ignition coil 6 with output stage -N324-
SB7	15	Fuel pressure regulating valve -N276-
SB8	5 (Only for countries with hot climate) 10	Brake light switch -F- Continued coolant circulation relay -J151- Radiator fan control unit -J293- Activated charcoal filter solenoid valve 1 -N80- Camshaft control valve 1 -N205- Exhaust camshaft control valve 1 -N318-
SB9	5	Circulation pump relay -J160-
SB10	10	Lambda probe 1 heater after catalytic converter -Z29- Lambda probe 2 heater after catalytic converter -Z30-
SB11	25 30 (Only for countries with hot climate)	Engine control unit -J623-
SB12	10 (Only for countries with hot climate) 20	Lambda probe heater -Z19- Lambda probe 2 heater -Z28-
SB13	–	Not used
SB14	–	Not used
SB15	10	Continued coolant circulation pump -V51-
SB16	5	Steering column electronics control unit -J527-
SB17	5	Control unit in dash panel insert -J285-
SB18	30	Amplifier -R12-
SB19	15 (Only models with radio), (Only models with start/stop system) 20 (Only models with navigation system), (Only models with start/stop system) 30 (Only models with start/stop system)	Radio -R- Control unit with display for radio and navigation -J503- Voltage stabiliser (Only models with start/stop system) -J532-
SB20	5	Analogue clock -Y- TV tuner -R78- Mobile telephone operating electronics control unit -J412- Control unit for navigation system -J856- (Only models with equipment for Korea)
SB21	–	Not used
SB22	–	Not used
SB23	–	Not used
SB24	5	Data bus diagnostic interface -J533-
SB25	–	Not used
SB26	10	Motronic current supply relay -J271- Engine control unit -J623-
SB27	–	Not used
SB28	–	Not used
SB29	–	Not used
SB30	20	Auxiliary heater control unit -J364-
SB31	30	Wiper motor control unit -J400-
SB32	–	Not used
SB33	–	Not used
SB34	–	Not used
SB35	20 40 (Only for countries with hot climate)	Auxiliary heater operation relay -J485- Low heat output relay (Only for countries with hot climate) -J359-
SB36	–	Not used
SB37	–	Not used
SB38	–	Not used
SB39	–	Not used
SB40	–	Not used
SB41	–	Not used
SB42	–	Not used
SB43	–	Not used
SB44	–	Not used
SB45	–	Not used
SB46	–	Not used
SB47	40	Onboard supply control unit -J519-
SB48	40	Onboard supply control unit -J519-
SB49	50	Terminal 15 voltage supply relay -J329- Fuse 6 on fuse holder C -SC6- to fuse 11 on fuse holder C -SC11- Fuse 20 on fuse holder C -SC20- Fuse 21 on fuse holder C -SC21- Fuse 39 on fuse holder C -SC39- Fuse 18 on fuse holder C (Only models with start/stop system) -SC18-
SB50	–	Not used
SB51	60	High heat output relay -J360- (Only for countries with hot climate)
SB52	60	Heated windscreen relay -J47-
SB53	50	X-contact relief relay -J59-
SB54	50	Automatic glow period control unit -J179- (Only for countries with hot climate)
Relays
A1		Current bridge Relay for gas shut-off valves -J908-
A2		Continued coolant circulation relay -J151- (100)
A3		Vacant
A4		Main relay -J271- (100)

 

Relay carrier under the electronics box

Fuse box diagram

 

Relay carrier under electronics box

№	Function/component
1	Starter relay 1 -J906- (643) – For models with start/stop system only
2	Automatic glow period control unit -J179- (457)
3	Vacant
4	Low heat output relay -J359- (53)
5	High heat output relay -J360- (100)
6	Starter relay 2 -J907- (489) – For models with start/stop system only

 

Heated windscreen relay

Fuse box location

In plenum chamber next to engine control unit.

 

Luggage compartment

Fuse box diagram

 

 

Fuses in the luggage compartment

№	Amp	Function/component
1	30	Left fuse holder (SC12 – SC 17, SC27, SC29 – SC31, SC44)
2	80	Fuses in E-box (SB16 – SB26, SB49, SB50)
3	125	Power supply E-box
4	5	Onboard supply control unit -J519- Battery monitor control unit -J367-

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B6; 2005 – 2010) – fuse and relay box diagram

Year of production: 2005, 2006, 2007, 2008, 2009, 2010

 

This article covers the fifth-generation Volkswagen Passat (B6/3C), manufactured between 2005 and 2010. It provides fuse box diagrams for the 2005–2010 Passat models, explains where the fuse panels are located inside the vehicle, and details the function and layout of each fuse and relay.

 

Passenger compartment

Fuse box location

The fuse box is located on the left side edge of the instrument panel.

 

Fuse box diagram

 

Assignment of the fuses in the left-side of the dash panel

№	Amp rating	Component
F1	10A	Datalink connector (DLC)
F2	5A	Anti-lock brake system (ABS)
F3	5A	Power steering
F4	5A	Brake pedal position (BPP)switch
F5	10A	LH gas discharge head lamp, head lamp level control module, head lamp adjustment motor, left or single, head lamp adjustment motor, right
F6	5A	Trailer control module
F7	5A	Data bus connection, engine management, instrumentation control module
F8	5A	Garage door opener, interior rearview mirror, rear window blind
F9	5A	Four-wheel drive control module
F10	5A	Engine management
F11	5A	Accident data recorder button, taximeter
F12	10A	Door function control module, driver
F13	10A	Datalink connector (DLC), light switch
F14	5A	Steering column function control module
F15	5A	Multifunction control module 1
F16	10A	Ignition system
F17	10A	Alarm system, auxiliary heater, wind screen wiper rain sensor
F18		–
F19		–
F20		–
F21		–
F22	5A/10A	Engine management
F23	10A	Engine management
F24	5A/20A	Transmission control module(TCM), reverse gear position switch
F25	10A	Engine management
F26	10A	Rear window blind
F27	5A	Heater/air conditioning (AC)
F28		–
F29	20A	Trailer control module
F30	15A	Trailer control module
F31	25A	Trailer control module
F32	30A	Multifunction control modulel
F33	20A	Sunroof
F34	15A	Engine management
F35	30A	Head lamp washers
F36	20A	Auxiliary heater
F37	30A	Heated seats
F38		–
F39	40A	Heater/air conditioning (AC)
F40	5A	Fog lamps
F41	40A	Heater/air conditioning{AC)
F42	15A	Windscreen washers, rear screen wiper motor
F43	20A	Auxiliary heater
F44	20A	Auxiliary heater
F45	25A	Auxiliary power sockets
F46	5A	Two-way radio (police), crash control module(taxi/police), ignition switch circuits, tachograph
F47	15A	Alarm system (taxi), auxiliary power sockets (glove box) – taxi, auxiliary power sockets(luggage compartmenty-taxi, auxiliary power sockets(two-way radio)- police, interior lamps, luggage compartment lamp
F48	20A	Auxiliary power sockets (police)
F49

 

Fuse box location

It is located on the right side edge of the instrument panel.

 

Fuse box diagram

 

Assignment of the fuses in the right-side of the dash panel

№	Amp rating	Component
F1		–
F2	5A	Ant Mock brake system (ABS), parking brake control module
F3	5A	Parking aid control module, navigation system
F4	5A	Cruise control
F5	10A	RH gas discharge headlamp
F6	5A	Transmission mode selection switch
F7	5A	Headlamp level control module
F8	5A	Engine management
F9	10A	Supplementary restraint system (SRS)
F10	5A	Engine management (BLF/BLR/B LY/AXX/B PY/B LX/BVX/BVY/BVZ/BWA)
F12	10A	Door function control module, left front
F13	10A	Parking aid control module
F14	10A	Assisted door closing control module relay
F15	5A	Heater/air conditioning (AC)
F16	5A	Transmission mode selection switch
F17	10A	Anti-lock brake system (ABS), parking brake control module
F18		–
F19		–
F20		–
F21		–
F22	30A	Accessories connector
F23	30A	Door function control module, left rear, door function control module, right rear
F24	30A	Assisted door closing control module, left rear
F25	30A	Assisted door closing control module, right rear
F26		–
F27	25A	Heated seats
F28	15A	Engine management
F29	30A	Door function control module, driver, door function control module, left front
F30	20A	Parking brake control module
F31	20A	Parking brake control module
F32		–
F33	20A	Accessories connector
F34	15A	Engine management (AXX/BLF/BLR/BLX/BLY/BPY/BVX/BVY/BVZ/BWA)
F35	20A	Cigarette lighter
F36		–
F37		–
F38		–
F39	10A	Heater/air conditioning (AC), heated seats, heated wind screen waterjets, split charge relay
F40	5A	Crash control module (taxi/police)
F41	15A	Alarm system (taxi), auxiliary power sockets (glove box) – taxi, auxiliary power sockets(luggage compartment)-taxi, interior lamps-taxi, roof sign lamp-taxi, taximeter
F42	20A	Auxiliary power sockets(glove box}-taxi
F43	5A	Alarm system (taxi), auxiliary power sockets (police), auxiliary power sockets (glove box) – taxi, auxiliary power sockets (luggage com partment) -taxi
F44	20A	Alarm system (taxi), auxiliary power sockets- taxi, auxiliary power sockets (police)

 

Engine compartment

Fuse box diagram (type 1)

 

Assignment of the fuses in the Engine compartment, type 1

№	Amp Rating	Component
A1		Ignition main circuits relay
A2
A3
A4
F1	5A/15A	Transmission control module (TCM)
F2	30A	Anti-lock brake system (ABS)
F3	20A	Multifunction control module 2
F4	5A	Multifunction control module 1
F5	20A	Horn
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16	15A	Steering column function control module
F17	10A	Instrumentation control module
F18	30A	Audio unit output amplifier
F19	15A	Audio system, navigation system
F20	5A	Aerial module, telephone
F21
F22	7,5A	Telematics control module
F23	10A	Engine management
F24	10A	CAN data bus gateway control module
F25
F26	10A	Engine management
F27	10A	Engine management-Diesel
F28	25A/30A	Engine management
F29	10A/15A	Engine management
F30	20A	Auxiliary heater control module
F31	30A	Windscreen wipers
F32		–
F33		–
F34		–
F35		–
F36		–
F37		–
F38	10A	Engine coolant blower motor control module, engine management
F39	10A	Engine management
F40	10A/15A	Engine management
F41		–
F42		–
F43		–
F44		–
F45		–
F46		–
F47	40A	LH headlamp, LH tail lamp, multifunction control module 1, RH front side lamp, RH tail lamp
F48	40A	LH side lamp, LH tail lamp, multifunction control module 1, RH headlamp, RH tail lamp
F49	50A	Multifunction control module 1
F50	60A	Split charge relay
F51		–
F52	60A	Heated rear window
F53	50A	Fascia fuse box/relay plate 1 (F40-F42), fascia fuse box/relayplate2(F39), multifunction control module 1
F54	50A	Glow plug control module

 

Fuse box diagram (type 2)

 

Assignment of the fuses in the Engine compartment, type 2

№	Amp Rating	Component
A1		Secondary air injection (AIR) pump relay
A2		Ignition main circuits relay
F1	7,5A	Telematics control module
F2	30A	Anti-lock brake system (ABS)
F3	20A	Multifunction control module 1
F4	20A	Multifunction control module 2
F5	5A	Multifunction control module 1
F6	5A/15A	Transmission control module (TCM)
F7	15A	Audio system, navigation system
F8		–
F9	15A	Steering column function control module
F10	20A	Engine management
F11	5A	Instrumentation control module
F12	5A	Telephone control module
F13	10A	Engine management
F14	30A	Engine management
F15	10A	CAN data bus gateway control module
F16	10A/15A	Engine management
F17		–
F18		–
F19	30A	Audio unit output amplifier
F20	5A/15A	Clutch position potentiometer engine management
F21	20A	Auxiliary heater control module
F22	30A	Windscreen wipers
F23	10A	Engine coolant blower motor control module, engine management
F24	10A/15A	Engine management
F25	40A	Multifunction control module 1
F26	40A	Multifunction control module 1
F27	60A	Heated rear window
F28	40A	Engine management-petrol
F29	50A	Multifunction control module 1
F30	50A	Multifunction control module 1

 

Pre-Fuse box

 

Assignment of the fuses in the pre-fuse box

№	Amp Rating	Component
SA1	150A	Alternator
SA2	80A	Power steering
SA3	50A/80A	Engine coolant blower motor control module
SA4	100A	Fascia fuse box/relay plate 1 (F32-F37), fascia fuse box/relay plate 2 (F32-F37), fascia fuse box/relay plate 3 (F44/F46)
SA5	80A	Fascia fuse box/relay plate 2 (F22-F27)
SA6	50A	Fascia fuse box/relay plate 1 (F12-F17/F29-F31)
SA7	60A	Split charge relay
SA8	40A	Anti-lock brake system (ABS)

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B4; 1993 – 1996) – fuse and relay box diagram

Year of production: 1993, 1994, 1995, 1996

 

In this article, we take a look at the third-generation  Volkswagen Passat (B4), produced between 1993 and 1996. You will find fuse box diagrams for the 1993–1996  Volkswagen Passat B4, details on the locations of the fuse panels inside the vehicle, and information on the fuse and  relay assignments (fuse layout).

 

Fuse box diagram

 

 

Assignment of the fuses in the fuse box

Fuse	Ampere rating  [A]	Circuits protected
1	10	Headlight, low beam, left
2	10	Headlight, low beam, right
3	10	Instrument panel lights, license plate lights
4	15	Rear window wiper (wagon)
5	15	Windshield wiper/washer
6	20	Fresh air fan
7	10	Side marker and taillights, right
8	10	Side marker and taillights, left
9	20	Rear window defogger
10	—	Open
11	10	Headlight, high beam, left
12	10	Headlight, high beam, right
13	10	Horn
14	15	Back-up lights, heated windshield washer nozzles
15	10	Deceleration fuel cut-off, fuel pump after run
16	15	Instrument cluster lights, glove compartment light
17	10	Emergency flashers
18	20	Fuel pump, oxygen sensor heater
19	30	Radiator cooling fan, A/C relay
20	10	Brake lights
21	15	Interior lights, cigarette lighter, digital clock
22	10	Radio

Relay location on fuse/relay panel

 

Assignment of the fuses in relay box

No.	Description
R1	A/C relay
R2	Rear window wiper (wagon)
R3	Open
R4	Load reduction relay
R5	Low coolant level control unit
R6	Emergency flasher relay
R7	Open
R8	Intermittent wash wipe relay
R9	Seat belt warning system control unit
R10	Open
R11	Horn relay
R12	Fuel pump relay
Separate relays above fuse/relay panel
R13	Back-up light fuse (auto. trans.)
R14	Radiator cooling fan after run control unit
R15	ABS hydraulic pump relay
R16	ABS relay
R17	Open
R18	Open
R19	A/C relay
R20	Starter cut-outback-up light relay
R21	ABS hydraulic pump fuse/power window fuse
R22	ABS valves fuse
R23	Cruise control fuse/automatic shoulder belt system fuse
R24	Open

Connections and plugs on fuse/relay panel

 

Assignment of the connection in the fuse/relay panel

Symbol	Description
A1	Headlight wiring harness (yellow)
A2	Headlight wiring harness (yellow)
B	Open
C	Headlight wiring harness (yellow)
D	Optional equipment wiring harness (green)
E	Instrument wiring harness (green)
F	Engine compartment wiring harness, right (white)
G1	Engine compartment wiring harness, right (white)
G2	Engine compartment wiring harness, right (white)
H1	Steering column switch wiring harness (red)
H2	Steering column switch wiring harness (red)
J	Steering column switch wiring harness (red)
K	Rear wiring harness (black)
L	Rear wiring harness (black)
M	Rear wiring harness (black)
N	A/C wiring harness (green)
P	Rear window defroster wiring harness (blue)
Q	Instrument wiring harness (blue)
R	Light switch wiring harness (blue)
S	Engine compartment wiring harness, right (white)
T	Two-point connector (green)
U1	Instrument cluster wiring harness (blue)
U2	Instrument cluster wiring harness (blue)
V	Multi-function indicator wiring hamess (green)
W	Six-point connector (green)
X	Warning lamp wiring harness (green)
Y	Single connector, terminal 30
Z1	Single connector
Z2	Single connector, terminal 31
30	Single connector, terminal 30
30B	Single connector
31	Single connector, terminal 31

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Volkswagen Passat (B3; 1988 – 1993) – fuse and relay box diagram

Year of productions: 1988, 1989, 1990, 1991, 1992, 1993

In this article, we take a look at the third-generation Volkswagen Passat (B3), produced between 1988 and 1993. You will find fuse box diagrams for the 1988–1993 Volkswagen Passat B3, details on the locations of the fuse panels inside the vehicle, and information on the fuse and relay assignments (fuse layout).

 

Fuse box diagram

 

 

Assignment of the fuses in the fuse box

Fuse	Ampere rating  [A]	Circuits protected
1	10	Headlight, low beam, left
2	10	Headlight, low beam, right
3	10	Instrument panel lights, license plate lights
4	15	Rear window wiper (wagon)
5	15	Windshield wiper/washer
6	20	Fresh air fan
7	10	Side marker and taillights, right
8	10	Side marker and taillights, left
9	20	Rear window defogger
10	—	Open
11	10	Headlight, high beam, left
12	10	Headlight, high beam, right
13	10	Horn
14	15	Back-up lights, heated windshield washer nozzles
15	10	Deceleration fuel cut-off, fuel pump after run
16	15	Instrument cluster lights, glove compartment light
17	10	Emergency flashers
18	20	Fuel pump, oxygen sensor heater
19	30	Radiator cooling fan, A/C relay
20	10	Brake lights
21	15	Interior lights, cigarette lighter, digital clock
22	10	Radio

Relay location on fuse/relay panel

 

Assignment of the fuses in relay box

No.	Desciption
R1	A/C relay
R2	Rear window wiper (wagon)
R3	Open
R4	Load reduction relay
R5	Low coolant level control unit
R6	Emergency flasher relay
R7	Open
R8	Intermittent wash wipe relay
R9	Seat belt warning system control unit
R10	Open
R11	Horn relay
R12	Fuel pump relay
Separate relays above fuse/relay panel
R13	Back-up light fuse (auto. trans.)
R14	Radiator cooling fan after run control unit
R15	ABS hydraulic pump relay
R16	ABS relay
R17	Open
R18	Open
R19	A/C relay
R20	Starter cut-outback-up light relay
R21	ABS hydraulic pump fuse/power window fuse
R22	ABS valves fuse
R23	Cruise control fuse/automatic shoulder belt system fuse
R24	Open

Connections and plugs on fuse/relay panel

 

Assignment of the connection in the fuse/relay panel

Symbol	Description
A1	Headlight wiring harness (yellow)
A2	Headlight wiring harness (yellow)
B	Open
C	Headlight wiring harness (yellow)
D	Optional equipment wiring harness (green)
E	Instrument wiring harness (green)
F	Engine compartment wiring harness, right (white)
G1	Engine compartment wiring harness, right (white)
G2	Engine compartment wiring harness, right (white)
H1	Steering column switch wiring harness (red)
H2	Steering column switch wiring harness (red)
J	Steering column switch wiring harness (red)
K	Rear wiring harness (black)
L	Rear wiring harness (black)
M	Rear wiring harness (black)
N	A/C wiring harness (green)
P	Rear window defroster wiring harness (blue)
Q	Instrument wiring harness (blue)
R	Light switch wiring harness (blue)
S	Engine compartment wiring harness, right (white)
T	Two-point connector (green)
U1	Instrument cluster wiring harness (blue)
U2	Instrument cluster wiring harness (blue)
V	Multi-function indicator wiring hamess (green)
W	Six-point connector (green)
X	Warning lamp wiring harness (green)
Y	Single connector, terminal 30
Z1	Single connector
Z2	Single connector, terminal 31
30	Single connector, terminal 30
30B	Single connector
31	Single connector, terminal 31

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.