Quote Originally Posted by teh_mugen18 View Post
as soon as you turn the key to the on position the main relay vibrates and continues to vibrate, thats it. when you try to crank it, the starter does turn, but of course the engine wont fire because of the relay issue. The CEL does not turn off as it normally would.
You're still not answering the question about CHECKING the codes. Did you TRY to check the codes? Plug in a wire or a paper clip into the green plug by the ECU and count the blinks?