The 5th-generation VW Polo hatchback was manufactured from 2009 through 2018.
This article details the locations of all electronic control units (ECUs), as well as the fuse and relay panel assignments for the 5th-generation Volkswagen Polo (chassis codes 6R, 6C; A05 / PQ25 platform). The fuse responsible for the “cigarette lighter” is highlighted in bold.
In the Passenger Compartment
Fuse Box
Located under the steering column, behind the protective trim cover.
| Diagram | |
|---|---|
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| No. | Rating & Description |
| 1 | Not used |
| 2 | 10 A Steering column switch cluster, rear window wiper motor, windshield and rear window washer pump |
| 3 | 5 / 7.5 A Fuel pump relay, Engine Control Module (ECM), ignition and starter switch |
| 4 | 2 / 7.5 A Steering column switch cluster, multifunction steering wheel control module |
| 5 | Not used |
| 6 | 5 A Instrument cluster control unit |
| 7 | 5 / 15 A Headlight range control, license plate light, instrument cluster and switch illumination dimmer switch |
| 8 | 10 A Fuel injectors |
| 9 | 5 / 7.5 A ABS control unit, ASR/ESP OFF switch, steering column switch cluster, tire pressure monitoring switch |
| 10 | 5 / 7.5 A Vehicle speed sensor, Body Control Module (BCM), radio unit |
| 11 | 5 / 10 A Headlight range control, steering column switch cluster, instrument cluster control unit |
| 12 | 5 / 7.5 A Power exterior mirror adjustment switch, heated exterior mirrors |
| 13 | 10 / 15 A Transmission Control Module (TCM), multifunction switch, automatic selector lever |
| 14 | 5 / 15 A Airbag control unit, front passenger airbag OFF warning light |
| 15 | Not used |
| 16 | 5 / 10 A Parking aid control unit |
| 17 | 10 A Heated oxygen sensor (lambda probe), EVAP canister solenoid valve 1, windshield and rear window washer pump |
| 18 | 5 / 7.5 A Instrument cluster control unit, right front fog light bulb |
| 19 | 5 / 7.5 A Side light relay, head unit, ignition and starter switch |
| 20 | 5 / 10 A Instrument cluster control unit, steering column switch cluster, main power relay |
| 21 | 10 / 15 A Body Control Module (BCM) – interior lighting |
| 22 | 5 / 10 A Diagnostic connector (OBD-II), A/C control unit, Climatronic control unit, ignition key removal lock solenoid, rain and light sensor, side light relay, heated exterior mirror relay |
| 23 | 7.5 / 10 A Body Control Module (BCM), Engine Control Module (ECM), Transmission Control Module (TCM), automatic gear selector lever, rain sensor |
| 24 | 15 A Heated exterior mirrors, heated exterior mirror relay |
| 25 | 5 / 15 A A/C high-pressure sensor, A/C relay, A/C control unit, diagnostic connector (OBD-II), auto-dimming interior mirror, Climatronic control unit |
| 26 | 5 / 7.5 / 20 A Power steering control unit, mass air flow (MAF) sensor, A/C relay |
| 27 | 5 / 15 A Reverse light switch |
| 28 | 15 A Oxygen sensor (lambda probe), fuel injectors, glow plug control unit |
| 29 | 10 / 15 / 20 A Fuel pressure regulator, fuel metering valve, ignition coils |
| 30 | 10 A Auxiliary coolant pump 2, EGR cooler changeover valve, boost pressure control solenoid valve |
| 31 | 10 / 15 A Fuel pressure relay, glow plug control unit, fuel injectors, ignition coils |
| 32 | 30 A Engine Control Module (ECM) |
| 33 | 5 / 10 A Clutch pedal switch, brake light switch, radiator fan control unit, A/C relay |
| 34 | 7.5 A Left/right high-beam headlight bulbs, instrument cluster control unit |
| 35 | 10 A Engine Control Module (ECM) |
| 36 | 15 / 20 A Auxiliary fuel pump, fuel pressure line supply relay, fuel pump relay |
| 37 | 25 A Heated seat control unit |
| 38 | 7.5 / 30 A Left high-beam headlight bulb, instrument cluster control unit, Transmission Control Module (TCM) |
| 39 | 10 / 15 A Right low-beam headlight bulb |
| 40 | 30 A Fresh air blower switch, fresh air blower control unit |
| 41 | 10 A Rear window wiper motor |
| 42 | 15 / 20 A Cigarette lighter |
| 43 | 15 / 20 A Body Control Module (BCM), turn signals, brake lights |
| 44 | 5 / 10 A Alarm siren, anti-theft alarm sensor |
| 45 | 15 / 30 A Head unit, multimedia system control unit |
| 46 | 20 / 30 A Horn, headlight washer system |
| 47 | 20 / 30 A Windshield wiper motor |
| 48 | 25 / 30 A Central locking system, fuel filler flap locking motor |
| 49 | 5 / 15 A Reversing lights |
| 50 | 25 / 30 A Driver door control unit, front left power window switch |
| 51 | 25 / 30 A Front passenger door control unit, front passenger power window switch |
| 52 | 30 A Rear door control unit, rear power window switches |
| 53 | 30 A Heated rear window |
| 54 | 15 / 20 A Front fog lights |
| 55 | 15 A Ignition coils |
| 56 | 15 A Daytime running lights (DRL) |
| 57 | 5 / 7.5 A Left front side light bulb, left tail light |
| 58 | 5 / 7.5 A Right front side light bulb, right tail light, brake booster vacuum pump |
| 59 | 10 / 15 A Left low-beam headlight bulb |
| 60 | 15 A Daytime running lights (DRL), audio system |
Relay Box
This panel is located under the dashboard on the driver's side.
| Diagram | ||
|---|---|---|
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| No. | Description | |
| 1 | Not used | |
| 2 | Not used | |
| 3 | Not used | |
| 4 |
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| 5 |
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| 6 |
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| 7 |
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| 8 |
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| 9 |
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| 10 | X-contact relief relay | |
| 11 | Not used | |
| 12 | Not used | |
| 13 | Fuel pump relay (left, from August 2012) | |
| 14 | Not used | |
| 15 | A/C relay (from August 2012) | |
In the Engine Compartment
Located in the main fuse box on top of the battery.
| Diagram | |
|---|---|
|
|
| No. | Rating & Description |
| SA1 | 150 A Alternator |
| SA2 | Not used |
| SA3 | 110 A Ignition and starter switch, light switch, steering column switch cluster, X-contact relief relay, fuel pump relay, low-beam relay, fuse 20 in passenger compartment fuse box, side light relay, Terminal 30 power relay, fuse 3 |
| SA4 | 50 A Power steering control unit |
| SA5 | 40 A ABS control unit |
| SA6 | 40 A Radiator fan control unit, radiator fan |
| SA7 | 50 A Glow plug control unit |
| SC1 | 25 A ABS control unit |
| SC2 | 30 A Radiator fan control module, radiator fan, radiator fan thermal switch |
| SC3 | Not used |
| SC4 | 10 A ABS control unit |
| SC5 | 5 / 10 A Body Control Module (BCM) |
| SC6 | 25 A Transmission Control Module (TCM) |