The Voltate kinda moves up and down all the time, even when driving normally. Sits between 13v and 14v. Sometimes it stays solid ..
The
ECU tool i have doesn't read AFM Voltage, only yours does which i why i wanted to use that to see for sure if it was coming from the AFM.
If it's still not right come Tuesday i am gonna have to get it into another workshop.
This is the earth i did: