HELP!!!OBD2 to OBD1 conversion
#1
Honda-Tech Member
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HELP!!!OBD2 to OBD1 conversion
hey guys,
i have a 95 civic with obd2 sohc ZC engine, i boosted the car and i wanna get a p28 ecu and a conversion harness.
problem is, i cant understand the obd2 harness, it looks different.
here some photos of it so please help, i contacted xenocron and he didnt have any solution for it.
i have a 95 civic with obd2 sohc ZC engine, i boosted the car and i wanna get a p28 ecu and a conversion harness.
problem is, i cant understand the obd2 harness, it looks different.
here some photos of it so please help, i contacted xenocron and he didnt have any solution for it.
#3
Re: HELP!!!OBD2 to OBD1 conversion
i swapped from obd2 to obd1.
but i don't understand your question at all.
just a guess, you need to unplug the ob2ecu, then plug in the conversion harness, then plug in the obd1 ecu.
but i don't understand your question at all.
just a guess, you need to unplug the ob2ecu, then plug in the conversion harness, then plug in the obd1 ecu.
#4
Honda-Tech Member
Thread Starter
Re: HELP!!!OBD2 to OBD1 conversion
yes that's what i wanted in the first place, but, this looks different than OBD2a or OBD2b harnesses, i need a pin outs for this harness please
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#8
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Re: HELP!!!OBD2 to OBD1 conversion
I dont understand your question but it looks like you need an obd1 ecu, then get an obd2-obd1 conversion harness and plug it all in.
#9
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Re: HELP!!!OBD2 to OBD1 conversion
I'm beyond confused, hell i'm way past puzzled. It looks like some sort of OBD2 harness judging from that green connector, but the 2 ECU plugs look like OBD1 plugs, but to further complicate things there are only 2 plugs instead of the normal 3. the 9 after the PC2 generally designates an ECU as being an automatic JDM unit, but i'm absolutely baffled about this.
#11
Honda-Tech Member
Re: HELP!!!OBD2 to OBD1 conversion
I've seen this before.
It's a bit rare, but last time I saw this was on a Euro EG civic and see that you're from Jordan makes me think Jordan gets Euro model civics.
I don't have a solution either, unless you can snap some photos of the ecu board (with ecu cover removed). If that ecu uses a 28-pin eprom chip, there may be hope to reprogram your ecu.
As for converting to OBD1 normal 3-plug style, I say hit up Rywire. Ryan may have messed around with these kind of ecu's before and has possibly made a jumper harness converter.
PS: interesting to see that green plug too. Its like an EK style harness on an OBD1 car.
It's a bit rare, but last time I saw this was on a Euro EG civic and see that you're from Jordan makes me think Jordan gets Euro model civics.
I don't have a solution either, unless you can snap some photos of the ecu board (with ecu cover removed). If that ecu uses a 28-pin eprom chip, there may be hope to reprogram your ecu.
As for converting to OBD1 normal 3-plug style, I say hit up Rywire. Ryan may have messed around with these kind of ecu's before and has possibly made a jumper harness converter.
PS: interesting to see that green plug too. Its like an EK style harness on an OBD1 car.
#14
Honda-Tech Member
Thread Starter
Re: HELP!!!OBD2 to OBD1 conversion
thats not what i want, i could do that long time ago, the HARNESS IS WEIRD, not like any OBD2 harness
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sean2000gt
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