AEM FIC Tuning - Toyota Yaris Forums

Scubaru Steve · 01-20-2011, 12:03 PM

the reason im asking these questions is that im not used to tuning piggy backs, my wrx i can just hook in my laptop and open source tune my ecu, i have found no product to do it for the 1nzfe.

so now with this piggy back i get to try to tune.
i have been reading the book and i see that there is an afr-voltage table.
there is also something in there stating that you can install a resistor in the wiring so the fic can output the proper voltage to keep the stock ecu happy in closed loop. is that what clamping is called? when done to the o2 or maf?
at what cfm does the maf hit 5 volts? is it even possible with the t14?

as for open loop.... im sure its the same for all 1zfe's? when does it switch over from closed? i know wot is open...

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01-20-2011, 12:03 PM	#4
Scubaru Steve Awesome! Drives: 12 Yaris/07 yaris Join Date: Dec 2010 Location: calgary Posts: 323	the reason im asking these questions is that im not used to tuning piggy backs, my wrx i can just hook in my laptop and open source tune my ecu, i have found no product to do it for the 1nzfe. so now with this piggy back i get to try to tune. i have been reading the book and i see that there is an afr-voltage table. there is also something in there stating that you can install a resistor in the wiring so the fic can output the proper voltage to keep the stock ecu happy in closed loop. is that what clamping is called? when done to the o2 or maf? at what cfm does the maf hit 5 volts? is it even possible with the t14? as for open loop.... im sure its the same for all 1zfe's? when does it switch over from closed? i know wot is open...