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Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner past midnight.
Using the diagram below.
Lets go over the powers and grounds once again at the ECM connector.
E3-3 power all the time
E3-1 power with the key on
I assume all are going to be good after your second test. If so with the key on unplug the cam and crank sensor and confirm there is reference voltage 5 volts there. If not then you may have a sensor or wiring grounding out your ECM.
Prior to completing the mandatory rating at the top of your screen. Let me know if I have not yet provided you with ~5 STAR EXCELLENT~service. Reply and let me know in more detail what you need to be pleased with my help.