First, I think (from reading some recent negative comments on the AE Forum here) you should realize what it is (a Tool, A really Good Tool, but a tool just the same) and maybe lower your expectations some....
We talk so much, recommend so much, the AE that there are those who think it's Fonzy in a box. They're going to be a Ford Master Mechanic now. Then, because they don't have a thorough understanding of how the various components actually work and all interact, become disappointed with their new purchase (I know I'm ranting a bit, but I recommend this tool all the time and feel like I may have led some of the inexperienced "down the garden path" somewhat
You're not going to connect it and have it say "Good morning Mr. Phelps, you seem to have a poor connection in the left side UVCH connector and I don't think your batteries are going to get you through the Winter
Here's what it Does do. Give you access to All the sensors, the Body, Nav, Trans, Pats Security, Driveline modules (if you have them), Reprogram some stuff in those modules, and run Diagnostic Tests that Ford built-in to the system. BUT, it's still up to You to know what it is it's telling you. You're the one who often has to follow where it "points" you and figure-out what's going wrong. There are many times where it can't
help you because there are many places that don't have
sensors reporting (fuel & engine oil pressure) and it just doesn't "see" them.
So, if everything's running right, I would start with Reading all codes, maybe write them down, and Clear All Codes. See what comes back. When I first got mine I had connection problems and found I had to change the configuration from OBD-II to SAE J1850 PWM (not sure if the latest sw/fw has made that unnecessary, I just took advantage of their UpGrade/Amnesty offer and sent my stuff back in) but it was confusing at first.
There's LOTS of info on how to use it, and a bunch for us in particular. Read the AE Forum here -> AutoEnginuity Tips or Tricks
This guy is a Wealth of good info -> https://sites.google.com/site/woodnt.../autoenginuity
Another good site -> AutoEnginuity® Diagnostic Software - Power Hungry Performance Forum
Good General info on YouTube -> AutoEnginuity - YouTube
It's All up to you, it's a Learning experience, but if you are willing to work with it some it will become invaluable!
Good Luck with your new tool and the wealth of understanding it can give you