Flex fuel sensor install with aem V2 not working

1986.5supra_kid

Rice? No its Corn (E85)
I am having problems getting my flex fuel sensor to work with my aem. i have a signal that i can measure with a DMM (3.75vdc 93 oct) and all seems right such as swtich is chosen in the CAL (sw3), rising and failing are on. but it reads that the channel is maxed out.

here is the calibration, i have tried the switch input always on, always off, =12v,=ground

no dice.....

View attachment modtein2.02v02.cal

hoping radial chimes in :)