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FJR Motorcycle Forums
FJR Parts & Accessories Discussions
Ivan’s Flash Tuning
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<blockquote data-quote="torch" data-source="post: 1447325" data-attributes="member: 1295"><p>See, now THAT is kind of a critical detail -- but one I have not seen mentioned anywhere or fully thought through myself. As soon as I read it I had one of those slap-yourself-in-the-forehead "DUH!" moments. Thanks!</p><p></p><p>Odd you could not get the US ECU to work though. I seem to recall Europeans buying US ECUs to bypass failed immobilizers and lost red keys instead of paying the Yamarobber an arm, leg and first-born child. (Comments attributed to Ivan in the thread referenced by RossKean state the US ECU has the immobilizer function, but disabled.)</p><p></p><p>Looking at the wiring diagram, there are 6 wires to the immobilizer unit -- power, backup power, ground, optional alarm, flashy light and one mysterious wire that goes to both ECU and multi-function display (ie: dash). My guess is that is a communications line, possibly CANbus or similar.</p><p></p><p>Now my curiosity is aroused: does the dash play a role? Never heard of that but Ivan says the CO compensation numbers are stored there. The Gen I will start with the dash disconnected, I wonder if the immobilizer bikes will? Or maybe your US ECU was defective -- one of those eBay "as-is" scams, perhaps?</p></blockquote><p></p>
[QUOTE="torch, post: 1447325, member: 1295"] See, now THAT is kind of a critical detail -- but one I have not seen mentioned anywhere or fully thought through myself. As soon as I read it I had one of those slap-yourself-in-the-forehead "DUH!" moments. Thanks! Odd you could not get the US ECU to work though. I seem to recall Europeans buying US ECUs to bypass failed immobilizers and lost red keys instead of paying the Yamarobber an arm, leg and first-born child. (Comments attributed to Ivan in the thread referenced by RossKean state the US ECU has the immobilizer function, but disabled.) Looking at the wiring diagram, there are 6 wires to the immobilizer unit -- power, backup power, ground, optional alarm, flashy light and one mysterious wire that goes to both ECU and multi-function display (ie: dash). My guess is that is a communications line, possibly CANbus or similar. Now my curiosity is aroused: does the dash play a role? Never heard of that but Ivan says the CO compensation numbers are stored there. The Gen I will start with the dash disconnected, I wonder if the immobilizer bikes will? Or maybe your US ECU was defective -- one of those eBay "as-is" scams, perhaps? [/QUOTE]
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