I've been working with EA on an Access project solidly for the last couple of weeks, and I've really put it through its paces.
As far as I can tell, there is no way to directly import and analyse code from Access. I would imagine that this is because code within Access isn't stored in external text files, like most other development environments, but is tucked away within Access's own format.
I've written a couple of tools to analyze and play around with code in Access code module, and its not difficult, but it's a fiddle, so I imagine Sparx have decided to come back to it!
It's certainly something that would help me as well, so I might just put it in as a feature request - I'd suggest that you do as well.
In the meantime, although synchronization will be a fiddle, you could try to 'Save As Text' the code modules in your Access project, then have a go at getting EA to import them as if they were VB. I'm making this up as I go along, but it sounds right. WHen I get a moment, I'll try it. Let me know if you have any success yourself.
All the best
Andrew Webster