Volkswagen Polo 5 th generation was produced in 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 and 2017 respectively. In this publication you will find information on the location of all electronic control units, as well as a Assignment of the purpose of fuses and relays in the Volkswagen Polo 5 th generation. Separately, we note the fuse responsible for the cigarette lighter.
Please note that the purpose of the fuses in the polo sedan and polo hatchback are different.
Location
Diagram
Designation
| 1 | ABS electronic control unit |
| 2 | Air conditioner electronic control unit |
| 3 | Air conditioner / heater fan motor control unit |
| 4 | Heater / A / C blower motor resistor |
| 5 | Accumulator battery |
| 6 | Battery – some models |
| 7 | CAN data bus, gateway control unit |
| 8 | Diagnostic connector (DLC) |
| 9 | Driver’s door control unit |
| 10 | Rear left door electrical control unit |
| 11 | Passenger door electrical control unit |
| 12 | Rear right door electrical control unit |
| 13 | Electronic engine control unit |
| 14 | Cooling fan motor control unit |
| 15 | Fuel pump control unit |
| 16 | Fuse / relay box, engine compartment |
| 17 | Fuse / relay box, instrument cluster 1 |
| 18 | Fuse / relay box, instrument panel 2 |
| 19 | Fuse / Relay Box, Luggage Compartment – Certain Models |
| 20 | Xenon headlight control unit (left) |
| 21 | Xenon headlight control unit (right) |
| 22 | Gas fuel control unit |
| 23 | Headlight range control unit |
| 24 | Sound signal |
| 25 | Instrument cluster control unit |
| 26 | Mobile phone control unit |
| 27 | Multifunctional control unit – functions: Anti-theft system. central locking. alarm. headlight washers. heater for rear-view mirrors. rear window heater. windshield heater. sound signal. direction indicators. interior lighting lamps |
| 28 | Multifunction display control unit |
| 29 | Parking system control unit |
| 30 | Power steering control unit |
| 31 | Seat heating control unit |
| 32 | Steering wheel control unit |
| 33 | Sunroof electric control unit |
| 34 | SRS electronic control unit |
| 35 | Trailer control unit |
| 36 | Electronic gearbox control unit – on the gearbox |
Passenger compartment
Fuse box
It is located in the passenger compartment under the steering rack, behind the protective cover.
Diagram
Appointment
| 1 | Not used |
| 2 | 10A Steering column switch block, Rear window wiper motor, Windscreen and rear window washer pump |
| 3 | 5 / 7.5A Fuel pump relay, Engine control unit, Ignition and starter switch |
| 4 | 2 / 7.5A Steering column switch block, Multifunction steering wheel control unit |
| 5 | Not used |
| 6 | 5A Instrument cluster control unit |
| 7 | 5 / 15A Headlight range control, License plate light, Switch and instrument cluster backlight brightness control |
| 8 | 10A Injectors |
| 9 | 5 / 7.5A ABS control unit, ASR and ESP deactivation button, Steering column switch block, Tire pressure indicator button |
| 10 | 5 / 7.5A Speed sensor, Onboard supply control unit, Radio |
| 11 | 5 / 10A Headlight range control, Steering column switch block, Instrument cluster control unit |
| 12 | 5 / 7.5 Exterior mirror adjuster, Exterior mirrors |
| 13 | 10 / 15A Automatic gearbox control unit, Multi-function switch, Automatic gearbox selector |
| 14 | 5 / 15A Airbag control unit, control lamp off. PP airbags |
| 15 | Not used |
| 16 | 5 / 10A Parking aid control unit |
| 17 | 10A Lambda probe heating element, Canister solenoid valve 1, Windscreen and rear window washer pump |
| 18 | 5 / 7.5A Instrument Cluster Control Unit, Right Fog Lamp Lamp |
| 19 | 5 / 7,5А Side light relay, Head unit, Ignition and starter switch |
| 20 | 5 / 10A Instrument Cluster Control Unit, Steering Column Switch Block, Main Relay |
| 21 | 10 / 15A Onboard supply control unit – courtesy lights |
| 22 | 5 / 10A Diagnostic connector, Air conditioning control unit, Climatronic control unit, Ignition key removal lock solenoid, Rain and light sensor, Side light relay, Outside mirror heating relay |
| 23 | 7.5 / 10A Onboard supply control unit, Engine control unit, Automatic gearbox control unit, Automatic gearbox selector, Rain sensor |
| 24 | 15A Heated outside mirrors, Heated outside mirror relay |
| 25 | 5 / 15A High pressure sensor, Air conditioning relay, Air conditioning control unit, Diagnostic socket, Electrochromic interior mirror, Climatronic control unit |
| 26 | 5 / 7.5 / 20A Power steering control unit, Air mass meter, Air conditioning relay |
| 27 | 5 / 15A Reversing light switch |
| 28 | 15A Lambda probe, Cylinder injectors, Glow plug control unit |
| 29 | 10/15 / 20A Pressure and fuel metering regulator, Ignition coils |
| 30 | 10A Coolant circulation pump 2, Exhaust gas recirculation cooler changeover valve, Turbocharging pressure limiting solenoid valve |
| 31 | 10 / 15A Pressure Fuel Relay, Glow Plug Control Unit, Cylinder Injectors, Ignition Coils |
| 32 | 30A Engine control unit |
| 33 | 5 / 10A Clutch pedal switch, Brake light switch, Radiator fan control unit, Air conditioning relay |
| 34 | 7.5A Right high beam headlight bulb, Left high beam headlamp bulb, Instrument cluster control unit |
| 35 | 10A Engine control unit |
| 36 | 15 / 20A Booster fuel pump, Relay for supplying fuel in the pressure line, Relay for fuel pump |
| 37 | 25A Seat heating control unit |
| 38 | 7.5 / 30A Lamp for left headlight high beam, Control unit in instrument cluster, Control unit for automatic transmission |
| 39 | 10 / 15A Lamp of the right headlight low beam |
| 40 | 30A Supply fan switch, Supply fan control unit |
| 41 | 10A Rear window wiper motor |
| 42 | 15 / 20A Cigarette lighter |
| 43 | 15 / 20A Onboard supply control unit, Turning lamps, Stop signals |
| 44 | 5 / 10A Alarm Siren, Burglar Alarm Sensor |
| 45 | 15 / 30A Head unit, Multimedia system control unit |
| 46 | 20 / 30A Horn, Headlight washers |
| 47 | 20 / 30A Wiper motor |
| 48 | 25 / 30A Central locking, Electric motor for locking the fuel filler flap |
| 49 | 5 / 15A Reversing lamps |
| 50 | 25 / 30A Driver’s door control unit, Front left power window switch |
| 51 | 25 / 30A Front passenger door control unit, Power window switch on the front passenger door |
| 52 | 30A Rear door and power window control unit |
| 53 | 30A Rear window heating element |
| 54 | 15 / 20A Fog lights |
| 55 | 15A Ignition coils |
| 56 | 15A Daytime running lights |
| 57 | 5 / 7.5A Front left side light bulb, Rear light, left |
| 58 | 5 / 7.5A Front right side light bulb, Rear light, right, Brake booster vacuum pump |
| 59 | 10 / 15A Lamp of the left headlight low beam |
| 60 | 15A DRL, Audio system |
The fuse number 42, 15 or 20A, is responsible for the cigarette lighter.
Relay box
This unit is located under the dashboard on the driver’s side.
Diagram
Designation
| 1 | Not used | |
| 2 | Not used | |
| 3 | Not used | |
| 4 | Low beam relay (left, from August 2010) Fuel pump relay (left, from November 2010) Fuel pressure switch (right) Not used (since August 2012) | |
| 5 | Power supply relay cl. 30 (with diesel engine) Main relay (with petrol engine) | |
| 6 | Side light relay (right) Low beam relay (left, from November 2010) Starter lock relay (from May 2015) | |
| 7 | Fuel pump relay (from Aug 2010) Air conditioning relay (from November 2010) Not used (since August 2011) Heated exterior mirror relay (from May 2015) | |
| 8 | Starter lock relay Side light relay (left, from August 2012) Low beam relay (right, from August 2012) | |
| 9 | Air conditioning relay (up to November 2010, up to August 2012) Not used (from November 2010 to August 2011) | |
| 10 | Relay for unloading contact X | |
| 11 | Not used | |
| 12 | Not used | |
| 13 | Fuel pump relay (left, from August 2012) | |
| 14 | Not used | |
| 15 | Air conditioner relay (from August 2012) | |
Engine compartment
Located in the battery cover.
Assignment
| SA1 | 150A Generator |
| SA2 | Not used |
| SA3 | 110A Ignition and starter switch, Light switch, Steering column switch block, Relay for unloading contact, Relay for fuel pump, Relay for dipped beam, Fuse 20 in the fuse box, Relay for side lights, Power relay for cl. 30, Fuse 3. |
| SA4 | 50A Power steering control unit |
| SA5 | 40A Control unit AB |
| SA6 | 40A Radiator Fan Control Unit, Radiator Fan |
| SA7 | 50A Glow plug control unit |
| SC1 | 25A ABS control unit |
| SC2 | 30A Radiator Fan Control Module, Radiator Fan, Radiator Fan Thermal Switch |
| SC3 | Not used |
| SC4 | 10A ABS control unit |
| SC5 | 5 / 10A Onboard supply control unit |
| SC6 | 25A Automatic gearbox control unit |
If you know what to add – write in the comments.
Can you post the fuse box for polo tsi 1.2 trendline 2017
Maybe both are same. Just different is look and some features…