Does anyone know what it takes to get the ECM to flash out diagnostic codes on the diagnostic connector? How about the port to the computer. Is this RS-232 or CAN or something else?
I realize that I can buy a very expensive software package, but I have access to a bunch of CAN tools if this...
I have 2003 Yamaha F115TR motor that cranks fine but will not fire. No spark at the plugs, checked one on each ignition coil.
I have isolated the issue down to something related to the main relay. I have removed the relay and bench tested it. Contacts close withe +12Vdc across Yel->Blk or...