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P70 ECU... ever heard of it??

Old 01-11-2005, 07:58 PM
  #1  
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Default P70 ECU... ever heard of it??

i have a strange *** ecu here and im trying to figure out what its from

it says P70
its OBD1
its like 3/4 the size of a standard honda ecu
it behaves similar to that of a p28 (redline, vtec etc)
it came socketed stock
also, it doesnt have the smaller blank chip in it.
there is no jumper wire, and if i remove the chip, i get a solid CEL.
i also noticed that it doesnt look for a vtec pressure switch.

any 1 have any clue as to what car this may be from?
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Old 01-11-2005, 08:16 PM
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Default Re:P70 ECU... ever heard of it??

Is it a JDM ecu, some of those are smaller.
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Old 01-11-2005, 08:24 PM
  #3  
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Default Re:P70 ECU... ever heard of it??

ye, but ive never seen 1 chipped stock...
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Old 01-11-2005, 09:17 PM
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Default Re:P70 ECU... ever heard of it??

P70 : 92-95 OBD-1 Domani (sohc vtec zc - no oil pressure sensor reading)
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Old 01-12-2005, 05:21 AM
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Default Re:P70 ECU... ever heard of it??

some obd1 ecu's use an external rom like the obd0 ecu's, all you have to do is remove the stock eprom, and solder in a zif socket and you're good to go.
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Old 01-13-2005, 04:07 AM
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Default Re:P70 ECU... ever heard of it??

I had a problem with the auto po8's. Converting to 5 spd work but gettin it to run an external rom wasnt happen. Funky ecu alot of the jdm stuff is a little odd.
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Old 01-13-2005, 08:05 AM
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Default Re:P70 ECU... ever heard of it??

Originally Posted by chris
I had a problem with the auto po8's. Converting to 5 spd work but gettin it to run an external rom wasnt happen. Funky ecu alot of the jdm stuff is a little odd.
the process of converting a jdm auto ecu to manual is different than converting a usdm ecu. you don't just jump rp18, but actually have to change the value from 2.4 ohm to 1.4 ohm, that may be your problem there
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Old 01-15-2005, 05:40 AM
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Default Re:P70 ECU... ever heard of it??

actually from my experince rp17 just needs to be removed. I have done this to alot of ecu's of the years and never had any problems
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