The 7th generation Volkswagen Jetta was produced in 2019, 2020, 2021, 2020, 2023 with the designation A7. During this time, the model has been updated. In some countries, the extended version is known as the Volkswagen Sagitar. In this article, we will present a description of the fuses and relays of the Volkswagen Jetta 7 with fuse box diagrams, their locations and photo examples of performance. Note the fuse responsible for the cigarette lighter.
The purpose of the fuses and relays may differ from the one shown and depends on the year of manufacture, configuration and country of delivery. In case of difficulty, contact your nearest dealer.
Passenger compartment
It is located at the bottom of the instrument panel, on the driver’s side. To access, you need to remove the protective cover.
Photo – example
Next to it is the onboard network control unit.
Diagram
Assignment
| F1 | – |
| F2 | 10A Electric power steering |
| F3 | – |
| F4 | 10A Onboard power supply control unit, Anti-theft system (7.5A), Information and command system control panel (Infotainment) |
| F5 | 7.5A Data bus on board diagnostic interface |
| F6 | 7.5A Selector (switch) |
| F7 | 10A Heating and air conditioning controls, Heater control module, Climatronic control unit, Air conditioning control module, Automatic transmission selector lever, Auxiliary engine coolant heater radiator, Heated rear window relay, Frequency receiver |
| F8 | 7.5A Rotary light switch, Electromechanical parking brake button, Humidity, rain and light sensor, Diagnostic connection |
| F9 | 7.5A Electric Power Steering, Ignition/Starter (Switch) |
| F10 | 7.5A Display control |
| F11 | 40A Electronic control module, exterior lights on the left |
| F12 | 20A Information electronics control module, Infotainment system components |
| F13 | – |
| F14 | 40A Supply air fan control module |
| F15 | 10A Steering lock electronic control unit |
| F16 | 7.5A Amplifier 2-way mobile signal (phone), Antenna amplifier, Voltage converter for USB charging module |
| F17 | 7.5A Instrument cluster control module |
| F18 | 7.5A Rear view camera, Rear cover unlock switch |
| F19 | 7.5A Access / launch system interface |
| F20 | 15A Vacuum pump relay |
| F21 | 10A Heated windshield relay |
| F22 | – |
| F23 | 20A Sunroof control module |
| F24 | 40A Electronic control module, exterior lights on the right |
| F25 | 30A Driver and passenger door control module |
| F26 | 30A Onboard supply control unit, 30A Heated front seat |
| F27 | 30A Digital sound system control module, Interior lighting |
| F28 | – |
| F29 | 5A Tire pressure monitoring |
| F30 | 10A Remote start relay |
| F31 | – |
| F32 | 10A Front camera driver assistance system, Remote control control module, Parking assistance system control module, Parallel parking control module |
| F33 | 7.5A Airbag control module |
| F34 | 7.5A Light switch, Interior rearview mirror, Tire pressure monitoring indicator button, Reversing light switch, Air quality sensor, Electromechanical parking brake button |
| F35 | 10A Diagnostic socket, Auto-dimming interior rear-view mirror, Headlight angle and high beam adjustment, Headlight leveling motor |
| F36 | – |
| F37 | – |
| F38 | – |
| F39 | 30A Front Passenger Door Control Module, Right Rear Window Motor, Driver’s Door Control Module, Left Rear Window Adjuster Motor |
| F40 | 20A Cigarette lighter, 12 V socket |
| F41 | – |
| F42 | 40A Onboard supply control unit, Windshield washer, Central locking |
| F43 | 30A Onboard supply control unit |
| F44 | – |
| F45 | 15A Driver and passenger seat adjustment |
| F46 | – |
| F47 | 15A Rear window wiper motor |
| F48 | – |
| F49 | 5A Clutch pedal position sensor, starter relay |
| F50 | – |
| F51 | 25A Rear seat heating module |
| F52 | 15A Electrical damping circuit module |
| F53 | 30A Heated rear window |
The fuse number 40 at 20A is responsible for the cigarette lighter.
- R1 Relay for reducing agent dosing system -J963-
- R2 –
- R3 –
- R4 Terminal 15 power supply relay -J329-
- R5 Heated rear window relay -J9-
- R6 Socket relay -J807-
In the power supply circuits of electric windows and electric seat drives, automatic fuses can be used, which, for example, eliminate the cause of overload (for example, freezing of windows) automatically turn on again.
Engine compartment
It is located on the left side of the engine compartment, next to the battery and is covered by a protective cover.
Photo for example
Diagram
Designation
| F1 | 40A ABS control unit |
| F2 | 40A ABS control unit |
| F3 | 15A Engine control module |
| F4 | 5A Oil level temperature sensor, Oil pressure control valve, Thermal power switch, Intake camshaft adjuster, Ethanol concentration sensor |
| F5 | 10A Pressure regulator and fuel metering valve |
| F6 | 5A Stoplight switch |
| F7 | 7.5A Fuel pressure regulator valve, Coolant circuit solenoid valve, Charge air cooling pump 10A Heater support pump |
| F8 | 10A oxygen sensor (lambda probe) |
| F9 | 5A Ignition Coil 20A Early Evaporation Heating Element |
| F10 | 15/20A Fuel pump control module |
| F11 | 40A Auxiliary heater heating element |
| F12 | 40A Auxiliary heater heating element |
| F13 | 30A Gearbox (Mechatronic unit DSG gearbox) |
| F14 | 40A Heated windshield |
| F15 | 15A Horn |
| F16 | 20A Relay for power supply of electronic components of the engine 7.5A Relay for shut-off gas valves |
| F17 | 7.5A Motronic engine control unit, power relay, ABS |
| F18 | 5A Battery monitoring module, Data bus on board diagnostic interface |
| F19 | 30A Wiper Motor Control Module |
| F20 | 20A Anti-theft system, signal |
| F21 | – |
| F22 | 5A Engine control module |
| F23 | 30A Starter |
| F24 | 40A Auxiliary heater heating element |
| F25 | – |
| F26 | – |
| F27 | – |
| F28 | – |
| F29 | – |
| F30 | – |
| F31 | 15A Brake vacuum pump |
| F32 | – |
| F33 | – |
| F34 | 15A Cross-axle differential lock control unit |
| F35 | 7.5A Air conditioning relay |
| F36 | – |
| F37 | 20A Auxiliary heater control module |
| F38 | – |
Relay
- R1 Starter relay 1 -J906-
- R2 Starter relay 2 -J907-
- R3 Horn relay -J413-
- R4 High heat output relay -J360-
- R5 Main relay -J271- (petrol) / Terminal 30 power supply relay -J317- (diesel)
- R6 Glow control control unit -J179- (petrol)
- R7 Low heat output relay -J359- (diesel)
- R8 Power supply relay for engine components -J757- (2.0l petrol engine)
- R9 Heated windshield relay -J47-
- R10 Heated windscreen relay 2 -J611-
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