Thanks, I get what's happening here, but nowhere near brave enough to attempt it myself.

I also found this which hopefully will help the next person that runs into this - http://www.philmcfadden.co.uk/MazdaDiagnosticBox.htm

I'm going to print that off and take that youtube link down to my local ...

Thanks for posting that Ian.

Does anyone have any specific instructions for what pins to short circuit and how to read the flashing fault codes??