Well, I'm finding two different styles. One has the pcm
controlling everything and one has a control module, so I'm assuming they switched it up at some point and put a module in it. Im also assuming you have the pcm
style since you mentioned pcm
. This is a pretty crappy schematic, but it'll have to do. It's all I can find.
So anytime the key is on you will have power on both of the small terminals of the relay. If the pcm
is trying to turn it on, the side with the black wire will drop to zero volts and the red side will still be 12v. If the pcm
is not turning it on there will be 12v on both of the small terminals of that relay. That's how you will know if it's a control problem or a power one. Simply hook a voltmeter to the black wire and turn the key on. If there is 12v there the pcm
is not turning it on. If there is 0v there, it is turning it on, or trying to anyway and the problem is somewhere else.