iiluisii

iTrader: (2)

i swap the wires around and still not working so i thing something is wrong with the MS. if i had the setting for the coil driver going high would that had a chance to fry my igniter. cause on my first tune i had it set on going high.

iiluisii

iTrader: (2)

Ken i also did a test on output B and output C with a multimeter and both outputs are showing 0.37 while I'm cranking the motor. would that tell you something.

iiluisii

iTrader: (2)

i just check with a multimeter set to DCV on spark output A signal during cranking which is working and I'm getting 0.475 and also notice that the signal was constally changing but on spark b and c it just goes up to 0.035 and stays. by the way output A is the only one working on the car. could that be an indication of my outputs been bad.

FullFunctionEng

iTrader: (13)

You guys aren't really using a trigger angle of zero are you?
Having an ignition event about the same time as a trigger event is very very bad juju.
Notice that trigger angles are always between 50-90*? =)

muythaibxr

The RX8 wheel decoder has a built-in "trigger angle" so the user doesn't set it.

muythaibxr

Also, the ms2/extra and ms3 code do not actually "trigger" on the tooth the angle is set for. In our code on more generic (not special like on the rx8 wheel) you set the tooth #1 angle and it calculates everythig else for you. We also don't trigger from that tooth so that angle can be just about anwhere you want. We use every tooth on the wheel to schedule timing instead.

Ken

iiluisii

iTrader: (2)

Ken any input on what i posted

FullFunctionEng

iTrader: (13)

So is the sensor mounted in the same position as an RX8?

If not you have to specify trigger angle (I assume this is the tooth #1 angle you're talking about?)

If the trigger angle is 0 that means it is syncing @ TDC which is when the accel is highest (generally)
Please correct me if I'm misunderstanding your post.

iiluisii

iTrader: (2)

im gonna take the megasquirt out and look at it internally again i prob send it to DIY to trouble shoot

muythaibxr

You are misunderstanding it. We do not have "trigger angles" the way you are thinking about them. The tooth #1 angle on generic (like 36-1) wheels is used automatically to trigger off of *every tooth*. The RX8 wheel essentially has a preset tooth #1 angle but is otherwise the same. It doesn't matter what angle tooth #1 is set to because we use all the teeth to schedule timing.

As far as syncing to the wheel, we have a special decoder for that wheel which determines from all three missing teeth when to sync.

Ken

muythaibxr

I just noticed that your TPS is calibrated backwards. I don't necessarily think that this is causing your issue with trailing, but it could be causing you other issues.

Ken

muythaibxr

This appears to be a firmware bug. I'll have to fix it.

Ken

muythaibxr

I have found and fixed the bug. Please PM me your email address and I'll send it to you. It will be included in the 3.2.2 firmware.

Ken

iiluisii

iTrader: (2)

Is this bug for the trailing problem

muythaibxr

Correct, it is the only bug I know about. Also, like I said before, your TPS is calibrated backwards, this can cause problems.

iiluisii

iTrader: (2)

i will fix the tps ..the reason the tps is backwards is because its a 3rd gen tps moded to be use on an fc and the throttle opens backwards on the FC but all i have to do is switch the ground and the 5 volt wires…ken some how i can find no firmware on that directory

iiluisii

iTrader: (2)

Ken its fix problem solve i have trailing you are the man. i wound be able to change the fps until i change the throttle body. thanks

iiluisii

iTrader: (2)

What problems could the tps calibrated backwards cause

muythaibxr

I would have to test to be sure but it can cause TPS to do weird things when it goes slightly outside the calibrated range.

Ken

iiluisii

iTrader: (2)

Any info

muythaibxr

I have not had a chance to check yet.

iiluisii

iTrader: (2)

Hey ken don't worry about the Tps Im in the process of swapping an fd upper on my s5 and the Tps should be calibrated the right way after that. Thank for all the help

iiluisii

iTrader: (2)

ken so let me get this right. you are saying that for the rx8 36-2-2-2 it does matter were the VR sensor gets mounted the code its written to pick it up any were?

muythaibxr

No, for that wheel it matters. That wheel is found on the RX8 and some subaru engines. I will have to check but I think we allow a limited amount of offset, but since this wheel is not considered a "generic" wheel you should try to get the sensor position relative to the wheel and eshaft to the same as an rx8.

Ken

FullFunctionEng

iTrader: (13)

^This is the situation we were referring to earlier.