[Shotimes] How to test PCM

[Kevin & Cheryl Airth]

I have the PC/ED book. What is the check engine light doing? Have/can you
run the self test? Might be a connection? Tell me what it's doing and I will
try to follow in the book.
.
.
> Our next question is how we go about testing the PCM to find out if it's
good
> or not.  We do not have the Powertrain Control/Emissions Diagnosis Manual.
> It is for my '93 ATX.
>
> Does anyone know how to do this?  Any suggestions?   Are we SOL and I need
to
> get a different one?
>
> TIA
> Kris
> '91+ White
> '93 Ultra Red ATX