Hellen121VAG
Hellen Plug&Play for ME7 VAG vehicles
Download release firmware Snapshot firmware bundle
Status: early phases of testing!
- Electronic Throttle Body
- knock detection module with headphone jack
- build-in WBO - WARNING 4.2 software not ready while we believe that hardware is universal (footprint, stm32f042 not in stock at JLC)
- Baro sensor LPS25HB (footprint, not populated)
Main Relay option Never have both R2 and R3 jumpers populated!
Voltage Input option Never have both R8 and R9 jumpers populated!
Raw +12 option Never have both F1 and F2 jumpers populated!
| Vehicle | R2 | R3 | R8 | R9 | F1 | F2 |
|---|---|---|---|---|---|---|
| 2000 Early Audi A4 1.8T (ME7.1, NBO2, NO VVT, DBW) | ✔ | ✘ | ✘ | ✔ | ✘ | ✔ |
| 2001 Audi A4 1.8T (ME7.5, WBO2, VVT, DBW) | ✔ | ✘ | ✘ | ✔ | ✘ | ✔ |
| 2002 Audi Allroad 2.7t apb | ✘ | ✘ | ✘ | ✔ | ✔ | ✘ |
| 2006 Jetta 2.5 BGQ | ✘ | ✔ | ✘ | ✔ | ✔ | ✘ |
| 2003 Audi A6 3.0 | ✘ | ✔ | ✘ | ✔ | ? | ? |
| 2003 Audi A6 4.2 | ✘ | ✔ | ✔ | ✘ | ✔ | ✘ |
| 2001 VR6 12V AFP | ✘ | ✘ | ✘ | ✔ | ✔ | ✘ |
| 2002 VR6 24V BDF | ✘ | ✔ | ✘ | ✔ | ✔ | ✘ |
| 2004 Cayenne 3.2 | ✘ | ✔ | ✔ | ✘ | ✔ | ✘ |
| Other model | ? | ? | ? | ? | ? | ? |
Connector Pinout Spreadsheet, with links to wiring drawings
[VAG-B5]
[VAG-C5]
A: We do not know the whole list. Definitely B5 1.8T Passat but could also work on 5 cylinder Jetta and VR6 and even a 8 cylinder A8. Whatever VAG product with a 121 header please check Hellen pinout above and let us know :)
