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Post Info TOPIC: correct init sequence through k-line


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Posts: 7
correct init sequence through k-line



I have saw, read and studied a few project based on the k-line (like and more)


I am a quite confused because even if they say to uses the same protocol (KWP2000) many had different init sequence, are them really using the same protocol or every manufacter makes its own?


I also made my version of the KWP2000 to try to bring all these mess inside one single library: which at the moment works only for suzuki


also inside the same brand i found different init sequence, for honda i found:

k-line LOW

wait 70

k-line HIGH

wait 120

send FE 04 FF FF

wait 200

send 72 05 00 F0 99

wait response


is this correct based on your experience?

-- Edited by aster94 on Monday 15th of April 2019 09:19:35 AM



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Posts: 20

Dear Aster, please have a look in the following discussion; 

I have seen another question related to yours. Also, you could have a closer look at the Ecueditor software. 



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Posts: 20

Probably you have seen this already. If not this should answer your questions regarding the SDS function. For the kawa and yamaha OBD protocol you need to dig in the ecuhacking forum. 

-- Edited by Wiebren on Monday 15th of April 2019 07:19:03 PM

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