S2000 Under The Hood S2000 Technical and Mechanical discussions.

AP2 ECU in an AP1?

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Old 08-09-2006, 02:02 PM
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can you still get your key cut and not programmed?
if so, im sure you could use a bypass transponder sold in alarm installation shops.
they are about 30 bucks and are used for remote starters.
I might be wrong.
Old 08-09-2006, 03:34 PM
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Thanks a ton for the info guys. I imagine my friend will have the lock cylinder as well, he bought a front clip with the engine in it, so I don't see the point in having the keys without the cylinder if it's not all still in the original car. It's an '05 ECU so the drive-by-wire won't be an issue.

I think as long as he has the cylinder I should be fine to get it running while I track down the key code so that I can get keys cut for my original ECU. I never figured it would be such a hassle to get keys cut for this car though...
Old 08-09-2006, 05:30 PM
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Hold on! Let's back track a little bit here. If you are putting in a different ECU, you are still using your existing immobilizer unit. You should be able to use your current key. The key code is stored in the immobilizer. As long as it tells the ECU that all is well, the ECU should still allow the fuel pump circuit to be completed.
Old 08-09-2006, 07:07 PM
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Are you sure about this? I thought the code was in the immobilizer circuit board that's built into the ECU (which is a Delco part on other Honda ECU's). I was under the impression all the thing on the steering wheel was is an exciter/receiver.

You should be able to do the key tape trick they describe in the manual though. Tape the two keys together so both are read.
Old 08-09-2006, 07:27 PM
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Originally Posted by Ek9,Aug 9 2006, 09:07 PM
Are you sure about this?
Well, no. I did say "should".
After looking at the manual, I see you are correct. However, since each ECU can be coded with up to 6 different key codes, it would be matter of getting a dealer to program the current key code into the new ECU.
Old 08-09-2006, 07:37 PM
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Originally Posted by Stratocaster,Aug 9 2006, 01:45 PM
Dude

This is where your 59 days on the board is starting to show.



After reading though some of Ek9's posts, he seems to have quite a bit of knowledge and has posted some interesting and informative posts




He is no xviper though


Old 08-09-2006, 07:57 PM
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Originally Posted by RACER,Aug 9 2006, 09:37 PM
After reading though some of Ek9's posts, he seems to have quite a bit of knowledge and has posted some interesting and informative posts
EK9 seems to spend a good deal of time going through the manual to help people out. Sometimes, this is all that's needed to get to the bottom of a problem (as he's doing in another thread to help another owner out). Over the years, I've become somewhat tired of flipping through the pages of the manual to find an answer to some obscure problem or question. If he's willing to scan through the pages, I say good for him.
I've gotten to relying upon memory of late or not answering at all. And my memory ain't so good now and then.
Old 08-09-2006, 08:13 PM
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Try some of this Dave




Old 08-09-2006, 08:20 PM
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Originally Posted by RACER,Aug 9 2006, 10:13 PM
Try some of this Dave


GAWD! I wanna remember stuff, not get a boner all day long. Or was that some drug that starts with a V?
Old 08-09-2006, 08:23 PM
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Ginkgo Biloba helps you remember stuff. The problem is.... I keep forgetting to take it


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