y8s wrote:My other issue is at full retard. The angle varies from 0-2 degrees and if target is lower than where the cam angle rests, it drives the duty cycle to zero to try to match the target. When it has a high target, it can sometimes lag while duty cycle catches back up. I've tried setting the target to 1.5 degrees but it still doesn't work exactly how I want it to.
AbatelliCristian wrote:Tomorrow I try and record log....
I'm trying to get VVT working on my miata, and it appears the y8s flyback diode is giving me issues. I've got VVT on Nitrous 1 output, and a 1N4005 diode between there and 12V (stripe to 12). Without that diode, I can test VVT duty cycle up to about 75%, after which the tach goes nuts and the engine revs, and I can't get the cam to retard again.
With the diode in place, I get a lot of issues with sensor readings becoming erratic when duty gets up to around 60%, and then the MS resets and goes back to the previously burned value.
AbatelliCristian wrote:You setting "0" on min and max for test duty....
y8s wrote:y8s is lazy and doesn't want to monkey with his factory harness.
AbatelliCristian wrote:Hi, James, I have tried your code. Is all ok, but there is a bug on cam4 read angle. The sensor input not read.
Marc wrote:I'm looking to install this on my 2gr-fe powered Toyota MR2 that has quad VVT-i. the problem is i can't figure out if this code is compatible with my cam pattern or if code would need to be changed.
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