a picture is worth a thousand words. so Ill just let the pictures do the talking. the pictures show the procedure for a JDM P30 ECU. please note that while the position of components may vary in different ECU models [like the USDM P30, P28, P2T, etc], the procedure is the same.
a video is worth a thousand pictures. so here are some videos by the man himself. Craig Moates.
here is a link that shows the connector layouts for different generations of Honda ECUs and also a partial list of what cars ran which model of ECU.