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Car Forum / Honda Cars / July 2005ecu transfer
I have an '01 Honda Civic Ex The ECU went out so I bought one out of a totaled '02 both are CA emmisions changed out now car won't start. Do I need to reset somehow and if so how do I do it? Any help would be greatly appreciated! > I have an '01 Honda Civic Ex The ECU went out so I bought one out of a > totaled '02 both are CA emmisions changed out now car won't start. Do I > need to reset somehow and if so how do I do it? Any help would be greatly > appreciated! how do you know the 02 was good? why did the old one go out? >> I have an '01 Honda Civic Ex The ECU went out so I bought one out of a >> totaled '02 both are CA emmisions changed out now car won't start. Do I >> need to reset somehow and if so how do I do it? Any help would be greatly >> appreciated! >> >how do you know the 02 was good? why did the old one go out? you need to have the immobilizer reprogrammed as all keys lost. you can't just swap ecus anymore Chip > I have an '01 Honda Civic Ex The ECU went out so I bought one out of a > totaled '02 both are CA emmisions changed out now car won't start. Do I > need to reset somehow and if so how do I do it? Any help would be greatly > appreciated! ------------------------ What were the EXACT symptoms when the ECU went out? What did you try before deciding to swap it? 'Curly' > I have an '01 Honda Civic Ex The ECU went out Honda ECMs do NOT "go out" unless damaged in collision or by moisture (flood). Honda sees maybe two or three actual-bad ECMs a year. The others all test good and were pulled in error. > so I bought one out of a > totaled '02 both are CA emmisions changed out now car won't start. You're mixing different years. Do you know if the ECM part number was the same between the two? If not, the pinouts and/or signals may be different. What were your symptoms? What was your reason for pulling the original ECM?  SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > > I have an '01 Honda Civic Ex The ECU went out > [quoted text clipped - 17 lines] > The Unofficial Honda/Acura FAQ > www.tegger.com/hondafaq/ ---------------- >From playing around with several ECUs I can say that even amoung cars made in the same model year there can be serious differences. Unless you hae some way to duplicate every sensor and measure every output signal, you can't test these babies in the field. Other then the already mentioned flooding, the only other thing that can harm them is a nearby lightning strike or a very close high power (in excess of 500Watts). These guys are very well protected! Terry THank you for your concerns re: my ecu problems the prior ecu was a wrecking yard replacement from previous owner,don't know what caused damage,I did verify that part numbers were a match, I contacted Honda and they let me know that Immobilizer unit needed to be reprogramed due to new ECU not reconizing the system or key's electronic signal, cost $100 @ dealership service center well worth it no problems so far thank you again for your intrest in my question. So if anyone else ask's maybe my experince with this can be passed on. |
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