Something you can do with a test light is manually check all the fuses with the key turn to on, if you find any blown turn the key off and replace them, then see if it will fire up and run. If it promptly blow a fuse or fuses then you have a major short and this is something you would want a professional to find and repair, as you don’t want to go probing around and accidentally set off the air bags.
There has to be an OBD2 connection and it would be near the steering wheel. If you mean that you have a port, but the scanner will not connect, it's likely a blown fuse; I believe that port shares the fuse to the lighter. As to No Spark, this could be due to a variety of things. If you have only one coil, it could be bad, or it might be a bad ignition module. But more likely, it's a defective crankshaft position sensor.
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