Volkswagen Jetta 7 (A7; 2018 - 2023) - fuses and relays

This material discusses in detail the fuse diagrams of the Volkswagen Jetta (seventh generation / A7 index): 2018, 2019, 2020, 2021, 2022, 2023 of release.

Fuse number F40 in the passenger compartment is responsible for protecting the electrical circuit of the cigarette lighter.

In the engine compartment


The underhood fuse box is located near the battery.


Access example (protective cover removed).

Diagram
No. Description Amps
R1 J906: Starter relay 1  
R2 J907: Starter relay 2
R3 J413: Horn relay
R4 J360: High thermal output relay
R5
  • J271: Main relay (petrol) 
  • J317: Terminal 30 power supply relay (diesel)
R6 J179: Glow control module (petrol)
R7 J359: Low thermal output relay (diesel)
R8 J757: Power supply relay for engine components (2.0l petrol engine)
R9 J47: Heated windshield relay
R10 J611: Heated windshield relay 2
F1 ABS control module 40
F2 ABS control module 40
F3 The engine control unit 15
F4 Oil level temperature sensor, Oil pressure control valve, Heat output switch, Intake camshaft adjuster, Ethanol concentration sensor 5
F5 Pressure regulator and fuel metering valve 10
F6 Stoplight switch 5
F7
  • Fuel pressure regulator valve, Coolant circuit solenoid valve, Charge air cooling pump 7.5A
  • Heater support pump 10A
7.5 / 10
F8 Oxygen sensor (lambda probe) 10
F9
  • Ignition coil 5A
  • Heating element of early evaporation of fuel 20A
5/20
F10 Fuel pump control module (fuel pump fuse) 15 / 20
F11 Heating element for auxiliary heater 40
F12 Heating element for auxiliary heater 40
F13 Gearbox (Mechatronic DSG unit) 30
F14 Heated windshield 40
F15 Sound signal 15
F16
  • Relay for power supply of electronic components of the engine 20A
  • Relay shut-off gas valves 7.5A
20 / 7.5
F17 Motronic engine control unit, power relay, ABS module 7.5
F18 Battery monitoring module, Data bus on board diagnostic interface 5
F19 Wiper motor control module 30
F20 Anti-theft system, signal 20
F21 empty -
F22 Engine control module 5
F23 Starter 30
F24 Heating element for auxiliary heater 40
F25 empty -
F26 empty -
F27 empty -
F28 empty -
F29 empty -
F30 empty -
F31 Vacuum brake pump 15
F32 empty -
F33 empty -
F34 Cross-axle differential lock control unit 15
F35 Air conditioner relay 7.5
F36 empty -
F37 Auxiliary heater control module 20
F38 empty -

In the passenger compartment


The cabin fuse box is located on the driver's side at the bottom of the instrument panel.


To access the unit, you must remove part of the lining.

Diagram
No. Description Amps
R1 J963: Reducing agent dosing system relay
R2 empty
R3 empty
R4 J329: Terminal 15 power supply relay
R5 J9: Heated rear window relay
R6 J807: Socket relay
F1 empty -
F2 Electric power steering 10
F3 empty -
F4 Onboard supply control unit, Anti-theft system, Infotainment control panel 10
F5 Data bus on board diagnostic interface 7.5
F6 Selector (switch) 7.5
F7 Heating and air conditioning controls, Heater control module, Climatronic control unit, Air conditioning control module, Automatic transmission selector lever, Engine coolant heater auxiliary radiator, Heated rear window relay, Frequency receiver 10
F8 Rotary light switch, Electromechanical parking brake button, Humidity, rain and light sensor, Diagnostic connection 7.5
F9 Electric Power Steering, Ignition/Starter (Switch) 7.5
F10 Display control 7.5
F11 Electronic control module, exterior lights on the left 40
F12 Infotainment control module, Infotainment system components 20
F13 empty -
F14 Supply air fan control unit 10
F15 Steering column lock control module 10
F16 2-way mobile signal amplifier (telephone), Antenna amplifier, USB charging module voltage converter 7.5
F17 Instrument cluster control unit 7.5
F18 Rear view camera, Rear cover release switch 7.5
F19 Access / start the system interface 7.5
F20 Vacuum pump relay 15
F21 Heated windshield relay 10
F22 empty -
F23 Sunroof control unit 20
F24 Electronic control module, exterior lights on the right 40
F25 Driver and Passenger Door Control Module 30
F26 Onboard supply control unit, Heated front seat 30
F27 Digital Sound System Control Module, Interior Lighting 30
F28 empty -
F29 Tire pressure monitoring 5
F30 Remote start relay 10
F31 empty -
F32 Front Camera Driver Assistance System, Remote Control Module, Parking Assist Control Module, Parallel Parking Control Module 10
F33 Airbag control module 7.5
F34 Light switch, Interior rearview mirror, Tire pressure monitoring indicator button, Reversing light switch, Air quality sensor, Electromechanical parking brake button 7.5
F35 Diagnostic socket, Auto-dimming interior rear-view mirror, Headlight range and high beam adjustment, Headlight leveling motor 10
F36 empty -
F37 empty -
F38 empty -
F39 Front Passenger Door Control Module, Right Rear Window Motor, Driver's Door Control Module, Left Rear Window Adjuster Motor 30
F40 Volkswagen Jetta 7 cigarette lighter fuse, 12V socket 20
F41 empty -
F42 Onboard supply control module, Windshield washer, Central locking 40
F43 Onboard network control module 30
F44 empty -
F45 Driver and Passenger Seat Adjustment 15
F46 empty -
F47 Rear window wiper motor 15
F48 empty -
F49 Clutch Pedal Position Sensor, Starter Relay 5
F50 empty -
F51 Rear seat heating module 25
F52 damping circuit electrical module 15
F53 Rear window heating 30
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