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Hacking up Honda's ECU
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PostPosted: Sun Apr 02, 2017 1:12 pm 
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Joined: Sat Jul 10, 2010 2:45 pm
Posts: 273
Location: New castle k.b
Hello and good day. I have some issue with P27 1720-1500 large case ecu. All function working, but vtec not engage when hit vtec point rpm.

All vtec circuit good, because i disable vtec vss check, the vtec solenoid can engage. In datalogging i have to data that not log, vss and car bat.

VSS stuck at 7mph and car battery 0.5v.

Vss circuit look good, i replace H1C2 board it same. Any idea where the circuit that related to vss and bat detection send to processor?


Regards
M


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