Hyundai Repair Questions? Ask a Mechanic for Answers ASAP
Hi, I’m Cary and I’ll be helping you today.Please understand that I can't smell, hear, or touch the vehicle, so patience is appreciated. Before leaving the site make sure and leave me a rating. You can still reply to me as many times as needed, even after the rating..
Have you checked fuses? I will look at a wiring diagram. Be right back.
Here are the 2 diagrams for the data connector.
Do not see a wire going into pin 7. Let me look at the connector pinout.
I found this link. Still looking. Is the scanner you are using self powered or powered from the data connector?
Here is a diagram of the ECM and data connector wiring.
When you plug the scanner up does it power up?
Are you sure you are looking at the data connector correctly in order to identify pin 7? Here is a picture.
I will opt out so another expert can help that has a better source of factory wiring diagrams.
Hi Im David. first of all the voltage on k line should be 3.5vdc. that the first issue.
sorry but i had to get some sleep last night.......... ill send you some info on the dlc
7 of the diagnostic connector with the ignition and radio turned ON. If it's under 9V, your K-line is fine. If it's over 9V, the results are inconclusive. pin 7(k line) interfaces with the abs,tcm,sas modules. with key off voltage must 3.5. if any different then the interfacing modules should be disconnected one at a time until the deisired voltage is obtained. this way you will be able to tell what module is causing the problem. note, that these results depend on the protocol that is being used on a particular vehicle make. variances in readings and pin outs depend on the protocol.
with key off pin7 should read 3.5 with key on it should read somewhere around 7 volts. Do this, turn the key to the on position ...does the check engine light come on?
its definitely a problem with no voltage with the key off on pin 7.
you need to start disconnecting things the are on the k line. ie abs module, steering angle sensor and transmission control module. something is holding the voltage down
just checking in to see how its going