aster94:
Seems to be correct, a few question just to be sure:
The ground of the arduino board and the motorbike are connected?
The arduino tx go to the L9636 tx? (them don t have to be swapped)
Are you sure the L9636 is in the right position? The position of pin 1 is decided by this little line
20190414 123052 — PostimagesIf all of this are correct we should wait for the logic analyzer and then put a voltage divide to the k-line and check it
By the way in the future I suggest you to use adapters like these for the not-DIP packages, i bought a few of these with various size and them are perfect
https://images.app.goo.gl/FDRybwevtFbtuHGN6
Thanks for your reply.
The ground of the motorbike is connected to the second black cable seen here (yellow arrows) Imgur: The magic of the Internet.
I checked the TX and RX, they are not swapped.
I'm 99% positive the L9637D is in the correct position - It's not a L9636 chip though, it's the 9637D. Do you think this is a problem? I think this chip was recommended to me elsewhere.
I've already ordered some SOIC to DIP boards from Aliexpress, I hope they will arrive soon (along with the logic analyzer). Im pretty positive this should work. Thanks a lot for your help so far!