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

ECU question

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Old Jul 11, 2006 | 01:35 AM
  #1  
87shytwhip's Avatar
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From: drive it like you stole it in, NJ, USA
Default ECU question

is a 1997 civic running an OBDII or I and is a 1997 b18c jdm itr motor running OBDII or I..

its a quick and easy question but i need to know the answer
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Old Jul 11, 2006 | 01:59 AM
  #2  
d15-jdm-civic's Avatar
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From: In the desert of west texas
Default Re: ECU question (87shytwhip)

the 97 civic is obd2 the 97 B18C1 i pretty sure its obd2 i think it like 92-95 civics are obd1 and 96-00 civics are obd2 so i would think the same applys to the B18C1. but to be sure keep asking.
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Old Jul 11, 2006 | 05:46 AM
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cambopheonix56's Avatar
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Default Re: ECU question (d15-jdm-civic)

Well unless someone change it over, anything over 1996 is obd II.
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Old Jul 11, 2006 | 07:26 AM
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SkoundrelUSA's Avatar
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From: Sersey Jhore
Default Re: ECU question (d15-jdm-civic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by d15-jdm-civic &raquo;</TD></TR><TR><TD CLASS="quote">the 97 civic is obd2 the 97 B18C1 i pretty sure its obd2 i think it like 92-95 civics are obd1 and 96-00 civics are obd2 so i would think the same applys to the B18C1. but to be sure keep asking.
</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cambopheonix56 &raquo;</TD></TR><TR><TD CLASS="quote">Well unless someone change it over, anything over 1996 is obd II.</TD></TR></TABLE>

To get a little more specific, 96-98 is OBD2a and 99-00 is OBD2b

So you answer your question, both are OBD2A
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Old Jul 12, 2006 | 06:16 AM
  #5  
97mini-me's Avatar
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Default Re: ECU question (87shytwhip)

Hey mark, sorry to see the pics of the engine. That was one of the worst blown engines I've seen. I hope your dad helps you pay for the damages, after all, he's the one that did it.

To answer your question, the 96-98 civics are obd2a and the 99-00 civics are obd2b. The 97 JDM ITR ecu that was in the car is wired like obd2a, however, since it is a jdm ecu, it uses obdI programming. That is why you don't have to worry about a second o2 sensor and other little **** that you would have to with a US spec 97 ITR ecu. Hope this helps. Good luck with everything.
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Old Jul 12, 2006 | 08:43 AM
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EE_Chris's Avatar
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Default Re: ECU question (97mini-me)

To be more specific:

96-98 is OBD2a and 99-00 is OBD2b for Civic's except the 5-spd Hx. The 5-spd Hx stayed OBD2a all the way through 00 (I have a 96-99 ETM...the 96-00 ETM would just include 00 instead of 99 like I have pictured), as can be seen in the Helms ETM.





96-99 is OBD2a and 00-01 is OBD2b for Integra's.

And while 'OBD2' JDM ECU's do plug into OBD2 Civic chassis', they are not like their US OBD2 counterpart, as 97mini-me stated. You will never pass OBD2 emissions with a JDM ECU because it doesn't know how to communicate with an OBD2 scantool, FYI.


Modified by EE_Chris at 12:56 PM 7/12/2006
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Old Jul 12, 2006 | 10:04 AM
  #7  
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Default Re: ECU question (EE_Chris)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EE_Chris &raquo;</TD></TR><TR><TD CLASS="quote"> You will never pass OBD2 emissions with a JDM ECU because it doesn't know how to communicate with an OBD2 scantool, FYI.
</TD></TR></TABLE>

Ha! That's not true for PA. That car used to be mine and it passed with that ecu in it. The paper read all NA's, but I still got a sticker printed out. Just goes to show they don't really give a **** about the environment and it's all a money making scheme!!! But you're right, MOST states requiring emisssions you won't pass with that ecu.
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