Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Volkswagen Golf TDI, 2D Hatchback, Automatic DCT TransFACTORY OEM SERVICE PROCEDURE
Vehicle Electrical Control Module System Connector End View (J519, T52a)
| Cavity | Function |
|---|---|
| 1 | Fuse 26 on fuse holder B -SB26- |
| 2 | ... |
| 3 | ... |
| 4 | Right washer jet heater element -Z21- |
| 5 | Left headlight main beam bulb -M30- |
| 6 | Left daytime running light bulb -L174- |
| 7 | ... |
| 8 | ... |
| 9 | Rear right turn signal bulb -M8- |
| 10 | Front left turn signal bulb -M5- |
| 11 | Left headlight dipped beam bulb -M29- |
| 12 | Luggage compartment light switch -F6-/luggage compartment light -W3- |
| 13 | Rear lid handle release button -E234- |
| 14 | Hood contact switch -F266- |
| 15 | ... |
| 16 | Reversing light switch -F4- |
| 17 | Rear fog light switch -E18- |
| 18 | Light switch -E1- Zero position |
| 19 | Light switch -E1- Side lights |
| 20 | Light switch -E1-, headlight main beam |
| 21 | Fog light switch -E7- |
| 22 | Light switch -E1- Headlight dipped beam |
| 23 | Ground connection 17, in main wiring harness -382-, from July 2010, Ground connection 8, in main wiring harness -373-, from July 2009 |
| 24 | Fuse 3 on fuse holder B -SB3- |
| 25 | Left fog light bulb -L22- |
| 26 | Right brake and tail light bulb -M22- |
| 27 | Left tail light bulb -M4- Rear left side light |
| 28 | Left reversing light bulb -M16- |
| 29 | Contact switch in lock cylinder for rear lid, anti-theft alarm system and central locking system -F124- |
| 30 | ... |
| 31 | ... |
| 32 | ... |
| 33 | ... |
| 34 | ... |
| 35 | Heater/heat output switch -E16- |
| 36 | Interior monitoring deactivation switch -E267-/deactivation button for vehicle inclination sender -E360- |
| 37 | ... |
| 38 | ... |
| 39 | ... |
| 40 | ... |
| 41 | ... |
| 42 | Ground connection 10, in main wiring harness -375- |
| 43 | Windscreen and rear window washer pump -V59-/rear window wiper motor -V12- |
| 44 | Right daytime running lamp and parking lamp LED module -L177- (NAR), right side light bulb -M3- (RoW), right front side marker light bulb -M34- |
| 45 | Additional brake light bulb -M25- |
| 46 | Tank filler flap locking motor -V155- |
| 47 | ... |
| 48 | ... |
| 49 | ... |
| 50 | ... |
| 51 | ... |
| 52 | ... |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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