i took my ecm out of my 92 sammi 1.3l and replaced the capacitor that was leaking put it back in and no change does anyone have a diagram of what every component on the board does or can someone tell me what runs the injestor i put a noid light on it and it says its getting positive and ground i swapped pressure regulator and injector from a running vehicle and new pump i dont know what else it could be please help i bought this thing over a month ago and been lookin at it every day but cant drive it im gonna do a carb conversion if i cant get it thx

With all due respect, if such a diagram were available, would you be able to understand it?  After three plus decades working with micro computers & electronics, I'd be hard pressed.  One of the reasons I ask this, is even without such a diagram, a person with a background in electronics would already have been able to identify the injector driver(s) by tracing the wwiring harness back to the ECU, and through the connector.

A few more questions ...

1)  Does the check engine light come on?
2)  Have you checked for codes?

More than likely the leaking capacitor has damaged one or more copper traces on the circuit board.  What you have to do is do continuity checks from one point to another on all the components that surround the leaking capacitor, to find the damaged trace(s) and fix them.
I have fixed several trackick and samurai ECMs and almost all of them have had trace damage that had to be repaired, before the ECM would work properly.
Did you ever get the spare ECM from your buddy to try?  If not, I would do that first, to make sure it is an ECM problem.  Otherwise, you are just guessing and may be wasting your time.

do not have another ecm to try i guess im gonna go old school and do the carb conversion im done trying to deal with this agrivating bs thx

do not have another ecm to try i guess im gonna go old school and do the carb conversion im done trying to deal with this agrivating bs thx

Oh yeah, I think that was another guy that I was helping that was gonna borrow an ECM from his buddy.
But don't you have another EFI samurai that you can borrow the ECM out of to try?
Do what you want, but I would take EFI over a carb any day.  Yeah, sometimes EFI can be a PITA to troubleshoot/fix, but in the end it is still 100x better than a carb, IMO.

i have another samurai for parts but the computer in that one said bad on it i got the parts sammi as pieces i never seen that one all together it was rotted so the guy i bought it off of stripped it

Have you got a spark? is the noid light showing that its injecting? The injector circuit is quite complex with the injector current controlled primarily by a hybrid circuit (MA3556) with the processor controlling the injector pulse width.

i did the carb swap and ran awsone for 2 days now lost spark needs a new ecm

get on you tube shows you how to fix ecm step by step