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ECU OBD0 or OBD1?


fsthonda12
01-16-2004, 01:27 PM
Help me i need to know what ecu i have is it a OBDO or OBD1 the code on it is 37820-PR4-L02.
Jeff C
01-16-2004, 04:08 PM
I believe that the PR4 is an OBD0.
fsthonda12
01-16-2004, 07:27 PM
Thats what i thought to but i went to ten different sites and some were saying they were OBD1 for some reason. Are you sure. Thanks for helping anyway.
Jeff C
01-20-2004, 01:25 PM
............
sckubasteive
03-02-2004, 09:59 PM
What year car is the ECU from? 88-91 is OBD0, 92-95 is OBD1. The OBD0 has three plugs, a cream white one, and two black ones opposite of the first one. Also there is a hole with an LED light that flashes codes. I have an OBD0 so I know what they look like, but I am not familiar with the OBD1 so i don't know how similar the two are. Hope that helps.
jcrx
03-02-2004, 11:42 PM
OBD 0 has TWO plags OBD I has three plugs, and OBD II and OBD IIb have four, but only three are used...top to bottom OBD IIb-OBD0

http://www.hondata.com/images/stackof4ecus.jpg

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