Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

What OBD version is the EM1 ran with?

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Old Aug 15, 2007 | 10:26 PM
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Default What OBD version is the EM1 ran with?

I know it's obd-2. But which one? "a" or "b"?
And to make it a bit more tech and to make this a possible learning thread, what's the difference between the two?
Reason I'm asking is because I might possibly pick up an Apexi Power FC for obd2-a if it can run my EM1.
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Old Aug 15, 2007 | 10:28 PM
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Default Re: What OBD version is the EM1 ran with? (IslandSi)

its OBD2b

convert to OBD1 and run a chipped ECU then never look back
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Old Aug 15, 2007 | 10:28 PM
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Default Re: What OBD version is the EM1 ran with? (highrev1987)

obd2-b
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Old Aug 15, 2007 | 10:37 PM
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Well, problem is that the tuner I'm probably going to go with (very limited in choices here) is pretty much a power fc guy. He really knows what he's doing with it. In order for me to get a really good tune I'm willing to pick up one of these. I have a chipped P28 here, but can't find anybody to do anything with it around here. So I'm going to get the power fc and run with that.

So for the second part of the question, what's the difference between a and b?
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Old Aug 15, 2007 | 10:58 PM
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k powered ej1
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Default Re: (IslandSi)



choose a tuner suited to your needs
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Old Aug 15, 2007 | 11:00 PM
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<---see location. I'm on an island. I wish I could just drive to another city and pick whatever tuner I want. Not an option though.
The power fc guy has the best reputation on the island. I already blew my motor up once. That was an expensive lesson I don't want to repeat.
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Old Aug 16, 2007 | 12:32 AM
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Default Re: What OBD version is the EM1 ran with? (highrev1987)

just get an obd1 jumper ane obd1 ecu. for a stock b16, jdm or usdm p30 will work fine!
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Old Aug 16, 2007 | 06:46 PM
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you guys are missing my point. [b]I can't find anybody here to tune an OBD1 ECU.[/b[
I have a chipped P28 with the conversion harness. That's not the issue here.
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Old Aug 16, 2007 | 07:16 PM
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Default Re: What OBD version is the EM1 ran with? (IslandSi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IslandSi &raquo;</TD></TR><TR><TD CLASS="quote">Reason I'm asking is because I might possibly pick up an Apexi Power FC for obd2-a if it can run my EM1.</TD></TR></TABLE>

It will work fine. You'll just need an OBD-2a to OBD-2b conversion harness.
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Old Aug 16, 2007 | 07:25 PM
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Things are looking up. I might just end up picking this thing up.
Nobody's answered the second part of my question yet though.
What's the difference between obd2-a and obd2-b?
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Old Aug 16, 2007 | 07:36 PM
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Default Re: (IslandSi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IslandSi &raquo;</TD></TR><TR><TD CLASS="quote">Nobody's answered the second part of my question yet though.
What's the difference between obd2-a and obd2-b? </TD></TR></TABLE>

To the best of my knowledge, the reason for the "update" involved differing emissions standards, but for the purposes of this discussion the only difference you need to be concerned with is the fact that they use different ECU connector configurations (hence the need for the conversion harness).
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Old Aug 16, 2007 | 07:37 PM
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gotcha. Topic covered 100%.
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