Question about 1997 Kia Sephia

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Just bought a 97 Kia Sephia RS - OBD-II Problem

We just bought a 1997 Kia Sephia RS. It will not pass inspection because in NC they have to be able to hook up to the OBD-II port and when they do it comes back with No Connection to the ECM. There are four wires going to the OBD-II connector (Blue, Red, Black/Yellow, and Black). I have ohmed all four wires out from the OBD-II connector to the plug that connects to the ECM. All four wires are good. We also took it to Advance Auto Parts and their scan tool will not connect either. Other than this the car runs fine. Please help if you can! Thanks in Advance. Andy

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  • acaptain52 Feb 24, 2009

    Thanks for the response Nick. It is truly appreciated. However we checked the fuse and it was blown so we replaced it. It still will not connect through the OBD-II port. I have checked all the other fuses too and they all seem to be good. I read in the manual that there is another connector in the engine compartment next to the firewall. It is called the DLC. Is it possible to connect there for emissions information instead of using the OBD-II port under the steering wheel?

  • Anonymous Mar 17, 2014




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That usually means that the fuse for the DLC port is blown. if you check your owners manual look for fuses labeled AUX, CIGAR, DATA, DLC. it is usually one of those that the DLC is fused through. i encounter this frequently as i do emissions inspections. check the fuses and you should find the culprit there!

Posted on Feb 21, 2009


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