[FRSBRZGT86FAN]

Originally Posted by sharpsicle

Thanks for that! It only seems to cover checking whether or not the engine switch engages properly when pushed (unless I'm missing something, which wouldn't be the first time).

I get the fear that, like so many electronic components, it's a "replace and test" item. It is that push-to-start assembly that reads the fob correct? Not some other module down the line?

Try this one as well:
http://www.ft86club.com/forums/showthread.php?t=8374

Probably pertains better to the situation, as the FR-S don't have keyless push start unless it was a special model in some places