AutoVista (Vivid) has the wiring diagrams you require (VESA) it shows you how to test the component back to the ECU pins, there is also a large picture of the ECU and pins plus what component is connected to them
If you do not have AutoVista then you can sign up for the FREE 28 day trial and get all the info you want. It is also a good source for your engine codes as it list them all for each individual engine
I would copy and paste the info here but it would be better for you to see it first hand (there are quite a few screen shots)
HTH
Peter
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