Lancia Phedra 2.2JTD won't start because car computer edc15c2 3plug get no power - probably wiring problem( I already changed bsm, bsi and ecu). Base on this pinout:

see attachment!

I get no 12V+ on T1-pin D4 and T2-pin M1 when I turn ignition on, because of that probably car won't start. Can someone with more knowledge tell me how to diagnose problem? Can I supply 12V+ to those two pins, without burning some component in car and try if car start?