Volkswagen Touareg 2nd generation NF and FL was produced in 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018. After that, the third generation of Tuareg arrived on the assembly lines of the Volkswagen concern. In this material you will find a description of the fuses and relays of the Volkswagen Tuareg 2 with block diagrams and photo examples of their execution. Let’s highlight the cigarette lighter fuse.

Block arrangement
General layout of fuse and relay blocks


Blocks in the cabin
Block on the left side
The fuse block is installed on the left side of the instrument panel, at the end, behind a protective cover.
Example of execution


Appointment
| 1 | 25A Driver’s seat adjustment and ventilation control unit |
| 2 | 30A Heater control unit |
| 3 | 15/20A Signal |
| 4 | 30A Wiper motor |
| 5 | 30A Sliding sunroof control unit |
| 6 | 15/30 Seat backrest unlocking control unit |
| 7 | 15A Electric adjustable steering column control unit |
| 8 | 5/10A Tire pressure monitoring system control unit, Steering column control unit |
| 9 | 5A Light switch, Rain sensor, Front ceiling module, Tire pressure monitoring system control unit |
| 10 | 30A Sunroof blind control unit |
| 11 | 10/15A Steering wheel heating element, Steering column control unit |
| 12 | Not used |
| 13 | Not used |
| 14 | 30A On-board network control unit |
| 15 | 25/30A On-board network control unit |
| 16 | 30A Driver’s door control unit |
| 17 | 5/10A Interior security system sensor, Alarm siren, Hood limit switch |
| 18 | 30A On-board network control unit |
| 19 | 10A Engine control unit |
| 20 | 30A On-board network control unit, Driver and passenger seat cushion heating element |
| 21 | 10A Residual heat battery relay |
| 22 | 30A On-board network control unit |
| 23 | 7.5A Diagnostic connector, Ignition and starter switch, Diagnostic data bus interface, Electric steering column lock control unit |
| 24 | 30A Left windshield heating relay |
| 25 | 30A Right windshield heating relay |
| 26 | 15A Fan 1 Battery |
| 27 | 5A Low coolant level alarm control unit, Coolant level relay, Battery regulation system control unit |
| 28 | 5A Electric drive control unit |
| 29 | 5A Automated manual transmission clutch pressure regulator |
| 30 | 5A Power steering control unit, Electric power steering pump |
| 31 | Not used |
| 32 | 15A Air conditioning compressor control unit |
| 33 | 30A Left rear door control unit |
| 34 | 5A Trunk lid/door opening control unit |
| 35 | 7.5A Trunk lid/door opening control unit |
| 36 | 5A Electromechanical parking brake button |
| 37 | 15A Fan 2 Batteries |
| 38 | 5A Electric drive control unit, Fan relay |
| 39 | 30A Automated manual transmission clutch pressure regulator |
| 40 | 30A Fan unlock relay |
| 41 | 10A Battery regulation system control unit |
| 42 | 5A Electrochromic interior mirror |
| 43 | 7.5A Left headlight, Right headlight, Headlight leveling regulator |
| 44 | 5A Rear seat heating control unit |
| 45 | 5A Image processing control unit, Longitudinal sway sensor, Front camera of driver assistance systems |
| 46 | 5A Lane change assistant control unit |
| 47 | 5A Parking assistant control unit, Garage door opener control unit, Data bus diagnostic interface, Diagnostic connector |
| 48 | 10A High pressure sensor, Air flow meter, Engine control unit, Starter relay, Engine control unit, |
| 49 | 7.5A Adaptive cruise control control unit |
| 50 | 5/30A Driver’s side belt pretensioner fuse |
| 51 | 5A Low coolant level alarm control unit, Coolant level relay |
| 52 | 15A Rear window wiper motor |
| 53 | 5A Adaptive lighting and headlight range control unit, Steering column control unit, On-board network control unit |
| 54 | 15A Left headlight |
| 55 | 5A Low coolant level alarm control unit, Coolant level relay |
| 56 | 40A Ride height adjustment compressor relay |
| 57 | 40A Supply fan |
Block on the right side
Another fuse block is located at the end of the right side of the instrument panel, behind a protective cover.
Scheme

Marking
| 1 | Not used |
| 2 | 15A Control unit for the ground clearance adjustment system |
| 3 | 10A Inter-wheel differential lock control unit |
| 4 | 30A Inter-wheel differential lock control unit |
| 5 | 15/25A Trailer recognition control unit |
| 6 | 15A Trailer recognition control unit |
| 7 | 15/25A Trailer recognition control unit |
| 8 | 15/25A Trailer recognition control unit |
| 9 | 30A Rear right door control unit |
| 10 | Not used |
| 11 | 30A Front passenger door control unit |
| 12 | Not used |
| 13 | 15A Trailer recognition control unit |
| 14 | 10A Airbag control unit, seat occupancy detection system control unit |
| 15 | 10A Transfer case control unit |
| 16 | 5A Electromechanical parking brake control unit, Control panel for adjusting the ground clearance, heating resistor for the windshield washer jets, ASR and ESP off button, ABS control unit, Hill descent assist button, Electromechanical parking brake button, AUTO HO button |
| 17 | 15A Right headlight |
| 18 | 30A Pre-tensioner seat belt 2 starter on the front passenger side |
| 19 | 5A Tiptronic switch, Multifunction switch, Automatic transmission control unit |
| 20 | 25A Front passenger seat adjustment control unit, Driver and passenger seat control unit |
| 21 | 25A Rear seat heating control unit, Rear climate control and display panel |
| 22 | Not used |
| 23 | 25A Tailgate control unit |
| 24 | 10A Climatronic control unit, Rear control and display panel of the air conditioning system |
| 25 | 5A Exterior surveillance camera control unit, Rear view camera control unit |
| 26 | 30A Rear window heating relay |
| 27 | 5A Additional liquid heater radio signal receiving device |
| 28 | 5/20A Transmission hydraulic pump relay, Transfer case control unit, Automatic transmission control unit (Until November 2012) |
| 29 | 30A ABS control unit |
| 30 | 5A Tiptronic switch |
| 31 | 20/30A Central control unit for comfort systems |
| 32 | 30A Rear supply fan |
| 33 | 30A Central control unit for comfort systems |
| 34 | Not used |
| 35 | 5A Vehicle location tracking system control unit |
| 36 | 30A Central control unit for comfort systems |
| 37 | 20A Automatic transmission control unit, Transmission hydraulic pump relay |
| 38 | 15A Cigarette lighter, 12 V socket 2, Rear seat heating control unit (Until August 2014) |
| 39 | 15A Additional 12V sockets |
| 40 | 20/30A Inverter with socket, 12 V – 230 V |
| 41 | 10A Connector 2 for connecting external audio devices |
| 42 | 5A Trailer recognition control unit |
| 43 | 10A Inter-wheel differential lock control unit |
| 44 | 5A Air pollution sensor |
| 45 | 30A Voltage Stabilizer |
| 46 | 30A Voltage Stabilizer |
| 47 | 10A Electronic information system control unit |
| 48 | 30A Digital audio system control unit |
| 49 | Not used |
| 50 | 5A TV tuner, Mobile phone control electronics control unit |
| 51 | 20A Main unit |
| 52 | 5A Instrument cluster control unit -J285- |
| 53 | 5A DVD changer |
| 54 | 5A Interface for external multimedia devices -R215- |
| 55 | Not used |
| 56 | 40A ABS control unit |
| 57 | 40A Electromechanical parking brake control unit, Transfer case control unit |
In the 2nd generation Volkswagen Touareg, fuse number 38 at 15A is responsible for the front cigarette lighter, and fuse number 39 is responsible for the additional ones.
Block under the driver’s seat

Description
| 1 | 100A Fuse Block |
| 2 | 50A Control unit for the ground clearance adjustment system |
| 3 | 100A Fuse Block |
| 4 | 80A Fuse Block |
| 5 | 40A Fuse Block |
| 6 | 50A Socket Relay, Fuse Block |
| 7 | 60A Fuse Block, Rear Supply Fan |
| 8 | 60A Wire Connector, Power Relay Terminal 30 |
| 9 | 125A Fuse Block |
| 10 | 60/150A Heating element of the additional air heater, Transmission hydraulic pump relay |
| 11 | 40A Power supply relay terminal 15 |
| 12 | 5A Diagnostics |
Relay blocks
The following blocks are located near the steering rack, at the bottom of the instrument panel.

Purpose of blocks
- Fuse and relay block 1
- Fuse and relay block 2
- On-board network control unit
- Central control unit for comfort systems
- Parking assistant control unit
Fuse and relay block 1
Scheme
Transcript
| E1 | Left windshield heating relay (643) |
| E2 | Right windshield heating relay (643), Low coolant level alarm control unit (422) |
| E3 | Socket relay (100) |
| E4 | Transmission hydraulic pump relay (644) |
| E5 | Residual heat accumulator relay (404), Coolant level relay (646) |
| E6 | Fan release relay (449) |
Fuse and relay block 2
Scheme

Relay designation
| 1 | Ride height adjustment compressor relay (373) |
| 2 | Coolant level relay (404), Residual heat accumulator relay (646) |
| 3 | Left windshield heating relay (645) |
| 4 | Horn relay (395) |
| 5 | Hydraulic pump relay KP-(100), Socket relay (644) |
| 6 | Transmission hydraulic pump relay (404), Transmission hydraulic pump relay (646) |
| 7 | Rear window heating relay (643) |
| 8 | Fan release relay (646) |
| 9 | Low coolant level alarm control unit (422), Right windshield heating relay (645) |
Block under the hood
Under the hood, the fuse and relay block is located in the mounting block, in the drain box on the left.



Decoding fuses
| 1 | 40A Starter Relay, Starter |
| 2 | Not used |
| 3 | 40A Secondary air pump relay |
| 4 | 30A Vacuum Pump Relay |
| 5 | Not used |
| 6 | Not used |
| 7 | 15A Fuel pressure regulator, Fuel metering valve, Ignition coil |
| 8 | 10A Exhaust gas recirculation system radiator pump |
| 9 | 30A Engine control unit |
| 10 | 10A Radiator fan control unit, Glow plug control unit, Auxiliary cooling system pump relay, Brake light switch, EGR radiator switching valve, Throttle body, Cylinder head coolant valve, Oil pressure control valve, Electronic thermostat |
| 11 | 5A Oil level and temperature sensor |
| 12 | 10A Additional cooling system pump relay, Residual heat accumulator relay, Coolant circulation pump |
| 13 | 25A Fuel pump control unit |
| 14 | 15/30A Reductant pump, Reductant level evaluation module, Engine control unit 2 |
| 15 | 10/30A Power supply relay terminal 30, Engine control unit |
| 16 | 30A Reductant heating system control unit |
| 17 | 15A Lambda sensor heating element |
| 18 | 10A Lambda sensor heating element |
Relay purpose
- Glow plug control unit (457)
- Power supply relay for electronic engine components (645)
- Secondary pump relay (100)
- Main relay (614)
- Reserve
- Auxiliary cooling pump relay (404)
- Reserve
- Reserve
- Starter relay (100)
- Brake booster relay (100)
- Reserve
- Reserve
- Relay 2 starters (433)
- Reserve