You ever see a dog waiting for its' best human to show up? That's me waiting to see if you'd reply. You live in Canada...I'm in Savannah Ga. You ever show up here you got a place to stay and I'll cook you the best steak you ever had...and any significant others.Bingo!!!! I think you found the problem, and your right indeed, No CKP sensor....No start(guaranteed). On my E320, the ring on that CKP sensor plug is a direct short to battery ground. Same as the Camshaft sensor plug ring.
Take connector 2 off the ECU and check the CKP sensor plug all the way back to that connector. The center pin should ohm out to pin30 and the ring should ohm out to pin 29. If that checks out ok then you probably have a corroded solder join inside the ECU. There are 2 connectors going to the ECU so make sure your test the right one. Could even be a bent pin in the connector cable assembly or on the ECU connector port so look close.
At this point all you need is ground on that CKP sensor ring and the car should start. Even if you have to run an external wire(it will not damage the ECU). Your MAF plug test results are perfect. You're gettin close.
I was going to ask you if I could ground that ring. The way I gather this works is the CKP sensor completes/breaks a circuit every time the flywheel magnet passes by...creating an electrical impulse via the ECU/Computer and is sent to coils/injectors. If I find that pin #29 has no continuity... place a ground on the ring and I'm good... (sorry I had to)... Eh???
That is, if there is continuity from pin 29/30, then the harness sensor is functional and the ECU is needing a repair or the magnet on the flywheel is damaged(or is there a gap between the flywheel(TDC) and the magnet that when passes by breaks the magnetic field??? As you can tell, I'm not in the 21st century on engines. I like to understand how things work.
Thank you again Astronomer.