how is the inifinty controlling the ASD relay? is it just on a output that it grounds its once the key is turned on? if so you could have no crank / cam sync. if they dont sync, you will not get spark or fuel.How about if the cam or crank sensor went bad? Actually that can't be the problem- the ASD is getting energized but there's no spark, so it has to be something in the ignition system.
in infinity tuner, the default layout has a start probability on it on the "Start" tab.