Hi Anthony,

Well, looks correct to me. Just to be sure: You are looking at the back of the plug like the photo in my 3rd post? If your CANH is then at the top left, you got it right. I also connected it wrongly the first time and nothing happened to the BMS.

Did you make sure that the pins are ...

Hi Anthony,

I think your current pinout is correct (from a pin number perspective). The numbering in the picture of my first post is correct but mirrored.

I found that out by checking on which side the block of 3 pins is on the connector side. Pin 1 is the outer side of the 3 pins block of the ...

Works now! After I mirrored the cables, it worked instantly. Fortunately nothing seems damaged!

I may have found the problem. It looks to me, that the 36pin plug is labeled the wrong way (mirrored)!

I totally missed the "H.S." symbol. As far as I can see (from the pins in the male connector at the battery), this is the pinout of the terminal at the battery not from the plug:
Bildschirmfoto ...

Nissan Leaf Spy looks as follows and Car Scanner app says, that I have a connection to ELM but not to the ECU.

Hi,

I am an engineer with a car background and some 10 years experience in EV driving but new to technical BMS details.
Now I want to install a used Nissan Leaf 40kWh 2018 pack as a battery backup for my PV installation based on this work from Dala: https://github.com/dalathegreat/BYD-Battery ...