no output from my 5 pin ecu

Not to be a dick, but if I have a signal generator and an O'scope, could you give me more detailed test parameters, please? After my son's 1993 SC300, I bought a scope. I'm an old crypto tech, so I know how to use one correctly. I thank you for your time.
What I was getting at is specifically the problem at hand---that a timing light seems to indicated dropped triggers. A scope monitoring the coil NEG line should tell you that, looking at the primary pattern