1992 gsr question

Hello guys I’m new here. My name is Jesse. 1992 gsr with 1.7. I have no check engine light at all with the stock ecm or the tuned one. I have back probe the wires. If Im right the check eng. Pin is A13 blue and white wire. Any help would be really grateful. Also have cam questions

Cool that help a lot. Thank you. Another problem I have no power there for that wire… what could troubleshoot first?