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May 2nd, 2019, 12:37 PM   #1
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CANBUS sniffing FE-450

Has anyone had any luck reading any of the canbus data from the 70deg?

From the looks of the schematics, the diagnostic connector is the same as the majority of the KTM models:

OBDII Cable for RC390

There is one mystery wire though, on pin 4, that goes direct to the CPU. I'm beginning to suspect that something happens with this wire in the User setting tool and the XC1 that enables the canbus. (since there are no other canbus modules on the bike to have it always on.)

I've tried 3 different OBD "sniffers" and I always get nothing.

Has anybody else tried? Anybody know what the function of pin 4 is?
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May 2nd, 2019, 01:43 PM   #2
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Maybe some hints here: fs 570 2010.ecu map .how?
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May 2nd, 2019, 02:29 PM   #3
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Yeah, I've been through that thread, and several of the ktm threads.

The closest I've gotten is similar to this:

https://ecuhacking.activeboard.com/t...in-ecu-canbus/

My guess is that since canbus is not connected to any other controller, they simply have it off. And somehow that wire on pin 4 turns it on.
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File Type: pdf OV_Kabelstrang_E.pdf (89.1 KB, 6 views)
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May 6th, 2019, 12:41 AM   #4
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I hope you figure it out, would be handy to have that knowledge so people can tune their ecu's.
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