Well I ended up answering my own question. I called them, they say the correct mode is ISO for Toyotas.. for some reason though, my SG doesn't pick anything up, in any of our cars.
So they're sending me a replacement circuit board, they assure me it's easy to swap out..
82 fj40, 99 uzj100, 06 gx470
05 525EXC, 01 XT225, 07 TTR90, 07 CRF50