Unlocking Harley Davidson ECU
This question is related to embedded engineering.Now I am trying to unlock harley davidson ECU(type 1,type 2,type 3).I unlocked it.I want to download datas into the ECU using $34,$36 modes.I am confusing with these modeS.I am using the interpreter ELM 327.The protocol used  VPW J1850.I also want to know about $35 mode(upload).Can you please help me to clarify these modes(if possible with examples)
Unlocking Harley Davidson ECU
===

This question is related to embedded engineering.Now I am trying to unlock harley davidson ECU(type 1,type 2,type 3).I unlocked it.I want to download datas into the ECU using $34,$36 modes.I am confusing with these modeS.I am using the interpreter ELM 327.The protocol used  VPW J1850.I also want to know about $35 mode(upload).Can you please help me to clarify these modes(if possible with examples)