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Hacking up Honda's ECU
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 Post subject: P28 Schematic help
PostPosted: Thu Mar 23, 2017 4:56 pm 
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Joined: Thu Mar 23, 2017 4:04 pm
Posts: 1
I believe I desoldered a connection and can not find or purchase a p28 schematic anywhere. The resistor and jumper (J1 to R49 on the back of the PCB) looked to be connected on the back side so I jumped them after lifting the copper track under the PCB. Are these two supposed to be connected? I had a fear that if they were then it would short out the board or a resistor so I disconnected them. My issue currently is that I can not load a base map on the p28. I have a constant check engine light and the board seems to be dead. Nothing I upload to the ECU takes. Could also be a bad solder job. Thoughts? I can upload images but have to decrease their size.


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