Does anyone know if the signal expected is;
0 volts = 0% ethanol
1 volt = 20% ethanol
2 volts = 40% ethanol
3 volts = 60% ethanol
4 volts = 80% ethanol
Does anyone know if the signal expected is;
0 volts = 0% ethanol
1 volt = 20% ethanol
2 volts = 40% ethanol
3 volts = 60% ethanol
4 volts = 80% ethanol
Last edited by stingray22; 1 Week Ago at 02:37 AM. Reason: typed the same msg twice
Just tested pin 6 and found it had 12 volts on it. Also the wire on pin6 runs across to pin 20 on the fuel pump power control module.
So I don?t think this is right.
Should be a PWM signal, not voltage. Gen4 stuff is as followsOriginally Posted by stingray22
50 Hz = 0% eth
51 Hz = 1% eth
149 Hz = 99% eth
150 Hz = 100% eth
The telltale sign will be on the Flex Fuel tab, is a default frequency listed?
FF Def.jpg
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