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How to disable immobilizer on EDM Evo9?

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Old Mar 17, 2008, 04:40 AM
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How to disable immobilizer on EDM Evo9?

Hi m8s.
Does anubody know hot to disable the immo on a stock ecu EDM, Evo9?
88840013 for examble?
Thanks in advance
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Old Mar 17, 2008, 12:29 PM
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Why would you want to do this? You can't do it in the traditional sense. What you can do is use a transponder box that has the immo key inside. These boxes are normally made to allow for remote start on cars with these codes.
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Old Mar 17, 2008, 12:42 PM
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If you add the def for the Ecu periphery "faa"

Change the value from the stock value of 0x56Da to 0x56D2. If I was at home I could post the definition but I am sure its around here somewhere. If you have 0x56D8 in there as a value thats for turning off the rear O2 as well. You would want to change the value to 0x56D0.

remember you have to add the 0x though it wont show up.

Last edited by JohnBradley; Jul 7, 2008 at 05:04 PM.
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Old Mar 17, 2008, 01:31 PM
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Wow, I'd prefer to disable to immo as which means I won't have wire the transponder box to get remote start to work! The code is listed in the evo9base XML:

<table name="Immobilizer" category="Misc" address="3ffce" type="1D" level="3" scaling="Hex16"/>

Not sure where to go from here though.

Last edited by silex; Mar 17, 2008 at 01:33 PM.
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Old Mar 17, 2008, 05:49 PM
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<table name="(periphery 0)" category="Misc" address="faa" type="1D" level="1" scaling="Hex16"/>

Then change the value as I listed above. This works for any Evo that has the immobiliser enabled.
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Old Mar 18, 2008, 05:34 AM
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thanks a lot m8s!!!
Today i'll test on one of our cars and i'll let you know the result.
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Old Mar 18, 2008, 09:48 AM
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Did you lock yourself out of your ECU by flashing a ROM without the correct Immo code?
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Old Mar 18, 2008, 10:02 AM
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Will this work on USDM ROM's too? I am using 96940011
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Old Mar 18, 2008, 11:25 AM
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Originally Posted by JohnBradley View Post
<table name="(periphery 0)" category="Misc" address="faa" type="1D" level="1" scaling="Hex16"/>

Then change the value as I listed above. This works for any Evo that has the immobiliser enabled.
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Old Mar 20, 2008, 02:51 AM
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Originally Posted by silex View Post
Did you lock yourself out of your ECU by flashing a ROM without the correct Immo code?
No. I only got a 8 with a Motronic Ecu and i have to set it back with a std Ecu.
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Old Mar 20, 2008, 02:49 PM
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Originally Posted by hfalex View Post
thanks a lot m8s!!!
Today i'll test on one of our cars and i'll let you know the result.
well did it work?
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Old Mar 20, 2008, 04:05 PM
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Originally Posted by JohnBradley View Post
If you add the def for the Ecu periphery "faa"

Change the value from the stock value of 0x56D8 or 0x56Da to 0x5690. If I was at home I could post the definition but I am sure its around here somewhere.
I'm pretty sure that 0x5690 will also disable your rear O2. I think you want 56D2.

5690 in bin is 101011010010000
56D2 in bin is 101011011010010

Stock should be 56DA
56DA in bin is 101011011011010 (notice that both bits are enabled)

The second bit from the right is the rear O2 enable/disable. The fourth bit from the right is the immobilizer enable/disable.


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Old Mar 20, 2008, 05:22 PM
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Good call Eric..I was just going from memory on that one, I knew it was the immobiliser but I couldnt remember if it included an O2 or not.. Being EDM it probably doesnt have the second O2...again from memory.
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Old Mar 20, 2008, 05:33 PM
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56D0 -No rear O2 no Immobilizer
5650-no rear O2, No immobilizer, No knock
5658-no rear O2, No knock sensor
56D8-no rear O2
5698, no front or rear 02
5690, no front 02, rear 02, or immobilizer
56D2, No immobilizer

went and looked at the list I worked up..here are the normal combos.
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Old Mar 20, 2008, 05:34 PM
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Originally Posted by JohnBradley View Post
Being EDM it probably doesnt have the second O2
That's a good point. Basically, whatever the periphery code is, just translate it into binary and then make the fourth bit from the right a 0, then translate back to hex. That's what you will need to flash into your ECU.


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