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TOPIC: Euro ECU flashed, ER-4 code

Euro ECU flashed, ER-4 code 2 years 8 months ago #1

hey there!
i have just installed flashed ecu (european bike, gurued gear's flash) and tryed to get into diagnose mode.
as you might know, i got ER-4 code.

engine starts normally, i did not drove it though, since we still have some winter conditions.

what to do, to get rid of this ER-4 code?
i don't have any wire modification, should i do one? and if so, how?
i tried "search" but could not find any link about this.

and another question, can driving with ER-4 error unsolved be risky by any mean?

with kind regards
gregor
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Re: Euro ECU flashed, ER-4 code 2 years 8 months ago #2

Pull the Right scoop off and dis-connect the Immobilizer connector under the YCC-i connector.
Here is a snip of the manual for it's location:


Immobo_con.JPG
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Last Edit: 2 years 8 months ago by VMaxGuru. Reason: added art
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Re: Euro ECU flashed, ER-4 code 2 years 8 months ago #3

ok, so that's it...

thank you for your flash service, it was fast turn! can't wait to get all benefits from it...

all your feedbacks were best service.

regards!
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Re: Euro ECU flashed, ER-4 code 2 years 8 months ago #4

gregorkoritnik wrote:
ok, so that's it...

thank you for your flash service, it was fast turn! can't wait to get all benefits from it...

all your feedbacks were best service.

regards!

Thanks! It took me a while to get all of them caught up, but I am back on top of it now. That will probably change when I get done with the X-Pipe tune next week. ;-)

I forgot to answer your question. The Error 4 code stems from too much data on the comm line that links data between the ABS, ECU, Tach and Tank display. The Immobilizer is also connected to this circuit on the Euro versions. There is a bit flag that can be switched in the OEM ECU code to enable the Immobilizer, or disable it. When disabled, the ECU does not expect to receive data from the Immobilizer unit. Since the Immobilizer is still active and sending data, the ECU interprets it as a communication error where it received extra data it was not expecting. I could turn that error off, but it would be a liability as there could be a real problem in which the ECU may not react properly. This means the best avenue to fix this error is to remove the data by removing the Immobilizer from the comm circuit.

It just now occurred to me a diode may allow the Immobilizer to receive data, but not transmit it. If it worked, the Immobilizer would appear to be working (blinking LED on the Tach) but could not interfere with regular communication. Something to try on down the road.
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Last Edit: 2 years 8 months ago by VMaxGuru.
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Re: Euro ECU flashed, ER-4 code 2 years 8 months ago #5

so, after being done with all diagnose mode stuff (clearing error codes),
the connector must (can) remain dis-connected, right?
or do i have to reconnect it?

thanks again, for helping rookie like me...
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Re: Euro ECU flashed, ER-4 code 2 years 8 months ago #6

Yes, it can remain disconnected.
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