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Disconnected (pos & neg), then charged battery in car. 

Now getting p1600.

Can someone tell me the correct ECU wire to test for 12v?

thank you

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What I saw on the net for both Toyota and Lexus was "check EFI fuse first".

Here's a diagram. 

Hope it helps

F827F33F-6C1F-4F0E-9797-5E79F7641DA3.jpeg

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Thanks for getting back to me.  

I checked every damn fuse I could find.

What I wanted to verify, is the where (connector pin) of the B-Y  16 (E5).

If the B-Y holds true for me, that may be useful.

Haven't found 12v anywhere, yet.

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