Wow, this post is 3 years old

When we had the '90 Accord back then and I was troubleshooting this, I found a PDF file (don't remember where) that contains the information you've asked (where the connector is, how to read the codes, and what the codes mean).

I just checked my files and it's still on my computer. I'm willing to share this but a PDF file attachment is not allowed here. I tried to save it to a ZIP file, which is allowed here, but it's 1.1 MB and that's too big to be uploaded.

If someone knows how I can upload this somewhere I will post it but I'm not willing to send it out via email to the many many many requests that I know I'd get (so don't even ask), that would just take too much time/effort.

Let me know where I can post it for download and everyone can get it.