I am a total Honda n00b. When programing chips, how exactly do you connect the chip/ecu to your computer? I've been looking around, but I haven't been able to find the answer to this simple question lol.

Also I want to turn my P72 JDM[that's what someone wrote on the ECU] ecu to stock and I read in this thread https://honda-tech.com/forums/showth...ght=back+stock to cut the jumper from J1. Can someone point to me a DIY thread on how to do that/more information? I believe my ecu has a chip in it because it runs super rich, my rear bumper is black.

Thanks in advance.

 

try searching again if you want, there are many pics and posts about this. should not have a hard time finding anything if you spend more than a min searching.

 

If it is a JDM square box. J1 is on the back/bottom of the ECU. (When you remove the cover it's the shallow side that doesn't have all the chips on it)

It could look like this,


In this case you would cut the wire. Or it could have a 000 surface mount resistor bridging it. In that case it would have to be removed via a soldering iron.

If it is a USDM ECU it will probably look more like this,



In this case J1 has been bridged with a removable jumper (red thing) Some people just use a piece of wire that you would have to cut. I prefer to use jumpers as they can be swapped without having to do any soldering.

Post up some pics of your ECU and someone will be able to tell you if it's chipped or not and what ECU it is as well.