04 Hyundai santa fe 2.4 Po320 ignition fail sensor code in pcm and tach not working. car runs fine and its not the crank sensor. changed the ign fail sensor and that did not fix it, The wireing diagram shows a ground, a power, a ignition control signal to ecm and a wire from the coils. All wires tested good. I can't find any info on what kind of signal the coils give to the sensor. anyway, Can anyone help with possible causes??
Country: United StatesMake: HyundaiModel: Santa FeYear: 2004Engine: 2.4
Crank sensor. Ignition failure sensor, tested all 4 wires to sensor and all good. ecm shows rpm on scanner, no rpm on tach.
Here is all the information you will need to rectify this issue .
If you need further assistance with this issue please let me know.
Kind regards Greg
Is it possible to have a bad coil causing this but the car still runs good? would you put a scope on the coil sensor circut and check for spilkes? I am testing the circiut to the computor from the failer sensor now. all other wires tested good. power, ground and coil wires.
I don't think this is your coil as you would have a few more codes like a P0300 or even a P0350.
You have probably a wiring harness problem, if you replaced the IG failure sensor .
Or most likely a PCM problem .
The best way to test for this issue is to have a scope to check this fully though .
there is not much that i can do from here .
But remembering the last time i had this issue it was a wiring issue from the coil wiring check this well you will probably find it .
Otherwise there might be a reflash for this issue this you will have to ask/ring your local dealer if there is a reflash for this code.