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

obd1 to obd 2 swap

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Old Apr 7, 2010 | 08:16 AM
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Default obd1 to obd 2 swap

im putting in a jdm b18b into a 95 eg.I ordered the harness adapter.I have the ecu from what research i have done i hear that the harness is basically the same. i just want to make sure that i am correct. I also doing to the manual conversion but i that i have a write up. I want to caver all the bases so please let me know if i am missing anything.


Thanks HT People
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Old Apr 7, 2010 | 08:31 AM
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Default Re: obd1 to obd 2 swap

why dont u just use your old alternator and injectors and then run an obd1 ls computer.
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Old Apr 7, 2010 | 09:16 AM
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Default Re: obd1 to obd 2 swap

too late. where can i get the computer jumper? im ordering the disturbtor harness from jhpusa. the only thing im worried about is the wiring. I didnt ask for a differnt option just making sure im correct.
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Old Apr 7, 2010 | 10:03 AM
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Default Re: obd1 to obd 2 swap

search google and you'll find numerous sites offering jumpers. rywire and eBay are just 2.

you're in for a lot more headache using the obd2 computer i have to tell ya. you'll need to wire up a second o2 sensor after the cat, and run wires for the extra evap equipment on the intake manifold. you will also need to wire up the crankshaft fluctuation sensor that's located on the oil pump. your car lacks things an obd2 vehicle would have so lord knows what other codes you might end up throwing. there's probably more but that's all i can think of at the moment.

oh and something you may not have realized yet is you won't be able to check codes at all. obd2 ecu's don't utilize a blinking cel on the dash. they use a data port and an obd2 handheld reader. as i'm sure you've realized at this point, your car does not have this port. there may be a way that you could wire in a data port, but good luck finding a pinout to do so.
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Old Apr 7, 2010 | 10:12 AM
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Default Re: obd1 to obd 2 swap

its always best to stay obd1 so you can tune the ecu. obd2 sucks and everyone is alkways finding a way around it for a reason. better off swapping most of your obd1 oil pump& pan,dizzy, iat sensor... most obd2 cars went to a 3wire iacv except for manual cars with vtec. which you will have to figure out.
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Old Apr 11, 2010 | 05:28 PM
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Default Re: obd1 to obd 2 swap

i have a modis. thats only three sensors. i just didnt realize the evap on the intake. it cant be that bad, nothing is ever just plug and play. i have the enitre wiring harness. i could definitly find a way to wire in the obd2 port. ive seen people wire up entire harness's.
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Old Apr 15, 2010 | 06:48 AM
  #7  
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Default Re: obd1 to obd 2 swap

its all taken care of. rywire is doing the harness. no issues. all these people make everyone worry.
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Old Apr 15, 2010 | 06:49 AM
  #8  
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Default Re: obd1 to obd 2 swap

wiring up an obd2 data port also isnt that hard, if your not a moron you can do it. i cut one out out of an integra .
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Old Apr 15, 2010 | 07:38 AM
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Default Re: obd1 to obd 2 swap

Originally Posted by D16SiHatch
search google and you'll find numerous sites offering jumpers. rywire and eBay are just 2.

you're in for a lot more headache using the obd2 computer i have to tell ya. you'll need to wire up a second o2 sensor after the cat, and run wires for the extra evap equipment on the intake manifold. you will also need to wire up the crankshaft fluctuation sensor that's located on the oil pump. your car lacks things an obd2 vehicle would have so lord knows what other codes you might end up throwing. there's probably more but that's all i can think of at the moment.

oh and something you may not have realized yet is you won't be able to check codes at all. obd2 ecu's don't utilize a blinking cel on the dash. they use a data port and an obd2 handheld reader. as i'm sure you've realized at this point, your car does not have this port. there may be a way that you could wire in a data port, but good luck finding a pinout to do so.
actually your wrong about checkign the codes. You can still jump the CEL and read the codes.
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Old Apr 15, 2010 | 11:17 AM
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From: Griffin Ga
Default Re: obd1 to obd 2 swap

This swap is strait forward PLUG ND PLAY, no matter emissions or not. its a plug and play ordeal, no need to send your harness to rywire. unless this is simply a quest for odb2, i dont see or understand the point.
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Old Apr 15, 2010 | 11:21 AM
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Default Re: obd1 to obd 2 swap

sooo.........whats the point of going obd2.......i really just dont get it
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Old Apr 15, 2010 | 11:44 AM
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Default Re: obd1 to obd 2 swap

Originally Posted by Jimster480
actually your wrong about checkign the codes. You can still jump the CEL and read the codes.
indeed you can. learn something new everyday

Last edited by D16SiHatch; Apr 15, 2010 at 05:08 PM.
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Old Apr 15, 2010 | 06:53 PM
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Default Re: obd1 to obd 2 swap

Originally Posted by mooze
sooo.........whats the point of going obd2.......i really just dont get it
there is no real point. It only has disadvantages when compared to OBD1. Unless you live i a state where its mandatory.
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Old Apr 15, 2010 | 08:53 PM
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From: Griffin Ga
Default Re: obd1 to obd 2 swap

then there is no poin. if your car has odb1 (pre 96) then thats what emissions goes by. (6 and up have odb2, you just cant go backwards due to ECU CEL codes.
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Old Apr 16, 2010 | 03:24 AM
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Default Re: obd1 to obd 2 swap

swapshopracing.com they have great knowledge when it comes to engine swap including the h22 they sell everything you need for any swap even kseries
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Old Apr 17, 2010 | 03:11 AM
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Default Re: obd1 to obd 2 swap

honestly i really dont get why you shoulg go from OBDI to OBDII, as far as I've searched the OBDI offers a lot more possibilities of tuning and way easier, in deed almonst no one knows how to tune OBDII properly, can anyone find a deal between the 2?
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Old Apr 17, 2010 | 07:55 AM
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Default Re: obd1 to obd 2 swap

Originally Posted by novaksaotome
honestly i really dont get why you shoulg go from OBDI to OBDII, as far as I've searched the OBDI offers a lot more possibilities of tuning and way easier, in deed almonst no one knows how to tune OBDII properly, can anyone find a deal between the 2?
no you cannot tune OBD2 ECU's. You must run a piggyback (atleast for most ECU's) or a standalone (which then isn't really OBD2 anyway).
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Old Apr 17, 2010 | 06:34 PM
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Default Re: obd1 to obd 2 swap

Originally Posted by Jimster480
no you cannot tune honda OBD2 ECU's.
fixed lol
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Old Apr 19, 2010 | 08:19 AM
  #19  
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Default Re: obd1 to obd 2 swap

Im gonna run a either a motec stand alone or the aem engine mgt. i just going w what i have already bought. what is w all the nid picking on here?
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Old Apr 19, 2010 | 03:39 PM
  #20  
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Default Re: obd1 to obd 2 swap

Originally Posted by MattNYC
Im gonna run a either a motec stand alone or the aem engine mgt. i just going w what i have already bought. what is w all the nid picking on here?
well a standalone isnt really OBD anything.
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