Volkswagen Jetta 7 generation was produced in 2019, 2020, 2021, 2020, 2023 with the designation A7. During this time, the model has been updated. In this article, we will present a description of the fuses and relays of the Volkswagen Jetta 7 with block diagrams, their locations and photo examples of execution. We will note the fuse responsible for the cigarette lighter.

The purpose of fuses and relays may differ from the one presented and depends on the year of manufacture, equipment and country of delivery. In case of difficulties, contact your nearest dealer.

Cabin block

It is located at the bottom of the instrument panel on the driver’s side. To access it, you must remove the protective cover.

Description

F1
F210A Electric power steering
F3
F410A On-board network control unit, Anti-theft system (7.5A), Infotainment control panel
F57.5A Data bus on board diagnostic interface
F67.5A Selector (switch)
F710A Heating and air conditioning controls, Heater control module, Climatronic control unit, Air conditioning control module, Automatic transmission selector lever, Auxiliary engine coolant heater radiator, Rear window heating relay, Frequency receiver
F87.5A Rotary light switch, Electromechanical parking brake button, Humidity, rain and light sensor, Diagnostic connection
F97.5A Electric power steering, Ignition / starter (switch)
F107.5A Display control
F1140A Electronic control module, exterior lighting on the left
F1220A Information Electronics Control Module, Infotainment System Components
F13
F1440A Supply air fan control module
F1510A Steering column lock electronic control unit
F167.5A 2-band mobile signal booster (phone), Antenna amplifier, Voltage converter for USB charging module
F177.5A Instrument cluster control module
F187.5A Rear view camera, Rear cover unlock switch
F197.5A Access/launch system interface
F2015A Vacuum pump relay
F2110A Windshield heating relay
F22
F2320A Sunroof control module
F2440A Electronic control module, exterior lighting right
F2530A Driver and passenger door control module
F2630A On-board electrical system control unit, 30A Heated front seat
F2730A Digital audio system control module, Interior lighting
F28
F295A Tire pressure monitoring
F3010A Remote Start Relay
F31
F3210A Front camera driver assistance system, Remote control control module, Parking assist control module, Parallel parking control module
F337.5A Airbag control module
F347.5A Light switch, Interior rearview mirror, Tire pressure monitoring indicator button, Reverse light switch, Air quality sensor, Electromechanical parking brake button
F3510A Diagnostic connector, Automatic dimming of the interior rear-view mirror, Headlight range and main beam adjustment, Headlight leveling motor
F36
F37
F38
F3930A Front passenger door control module, rear right window motor, driver door control module, rear left window regulator motor
F4020A Cigarette lighter, 12 V socket
F41
F4240A On-board network control unit, Windshield washer, Central locking
F4330A On-board network control unit
F44
F4515A Driver and passenger seat adjustment
F46
F4715A Rear window wiper motor
F48
F495A Clutch pedal position sensor, starter relay
F50
F5125A Rear seat heating module
F5215A Electrical damping circuit module
F5330A Heated rear window

Fuse number 40 at 20A is responsible for the cigarette lighter.

  • 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-

Automatic fuses can be used in the power supply circuits of electric windows and electric seat drives, which, for example, are automatically switched on again when the cause of the overload (for example, frosting of the windows) is eliminated.

Block under the hood

It is located in the left part of the engine compartment, next to the battery and covered by a protective cover.

Appointment

F140A ABS control unit
F240A ABS control unit
F315A Engine Control Module
F45A Oil level temperature sensor, Oil pressure control valve, Thermal power relay, Cylinder intake camshaft regulator, Ethanol concentration sensor
F510A Fuel pressure and metering valve
F65A Brake light switch
F77.5A Fuel pressure regulator valve, Cooling circuit solenoid valve, Charge air cooling pump 10A Heater support pump
F810A Oxygen sensor (lambda probe)
F95A Ignition coil 20A Pre-ignition heating element
F1015/20A Fuel Pump Control Module
F1140A Parking heater heating element
F1240A Parking heater heating element
F1330A Gearbox (Mechatronic unit DSG)
F1440A Heated windshield
F1515A Audible signal
F1620A Power supply relay for electronic engine components 7.5A Gas shut-off valve relay
F177.5A Motronic engine control unit, power relay, ABS
F185A Battery Control Module, Data Bus Onboard Diagnostic Interface
F1930A Wiper motor control module
F2020A Anti-theft system, alarm
F21
F225A Engine Control Module
F2330A Starter
F2440A Parking heater heating element
F25
F26
F27
F28
F29
F30
F3115A Brake system vacuum pump
F32
F33
F3415A Inter-wheel differential lock control unit
F357.5A Air conditioning relay
F36
F3720A Parking heater control module
F38
  • 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-