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OBD0 ECU pins

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Old Oct 22, 2021
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OBD0 ECU pins

Hello!
Does anyone have a diagram or sth like that to explain what the pins are at the back of the ECU?. ECU code is PM1-G41. It came from a 1991 Civic with d13b2 engine with an electronic carburetor. It has two 16 pin connectors. Will add a picture. Can't seem to find anything related to it from the internet.
Thank you in advance.

2 16pin connectors

ECU information
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Old Oct 22, 2021
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Re: OBD0 ECU pins

Find a service manual for a '91 Civic, it should tell you what each pin is for.
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Old Oct 23, 2021
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Re: OBD0 ECU pins

Did a full day worth of researching and reading through manuals but not a single service manual provided information on the ECU. I did find some manuals for carburetted vehicles with the same engine but those still didn't tell anything about the pins. Guess my last resort is to look through each wire and try to figure out where they go. Good luck to me!
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