i have a v-afc installed in my 96 gsr, there is 2 things i dont understand, the VTO and VTI, when i enter Vtec i thought both would turn on but only VTO turns on whats wong here? If you are on the east coast call my cel phone i nead this fixed 609-713-4379 thank you

 

You don't need a vafc, take it out until you do.

 

VTO comes on when your in vtec.

Don't worry about VTI.....

Your fine

 

vto= v-tec out...from the vafc..(when ur in v-tec)
vti= v-tec in from ecu... when ur ecu is supposed to put ur car in v-tec