Forscan datalog of an AWD spin

[EcoPowerParts]

This is the 4x4 module, what I see is a quick peak in FWD ABS sensors and then you see it catch. I originally thought it would be good to replicate the front ABS sensors to the rear but now that I think about it that quick peak probably sets off the nannies. I'm now thinking that for a awd launch controller replicating rear ABS to front would stop the nannies along with forcing the car into AWD at 50/50.

Take a look and see what you guys think.

[breeves002]

I still don't understand why it wouldn't be easier to disable the abs computer completely for launch?


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[EcoPowerParts]

I still don't understand why it wouldn't be easier to disable the abs computer completely for launch?


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Disable it how?
Also the reaction would be to shut off AWD, part of the diagnostics contain making sure that you're getting ABS signals from all 4 wheels.

[breeves002]

Ahh so turning it off completely makes it 100% FWD? Have you pulled the fuse to confirm?

That makes sense though. It doesn't know if the front wheels are slipping.

I think it is going to be a lot harder to trick the abs computer than you think. I need to think about this one.

Someone over on tcca managed to defeat the advancetrac completely by flashing a different abs programming.


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[EcoPowerParts]

I think it might be easier to do than we think based off this thread:
http://www.mazdaspeedforums.org/forum/f434/introducing-canbus-triple-150523/

I'm already talking to him.

[breeves002]

I guess my question is this: will the bad computer become confused if the data is replicated exactly? I guess there is only one way to find out...

The best option is to figure out how to reprogram the abs computer. That's easier said than done though.


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