Looking for replacement surface mount component in MacBook Air (A1466) mainboard
That looks more like a capacitor than a diode. Anyway, here's a link to download the schematic and boardview for it:
https://github.com/pctechneer/Diagnostic/blob/master/820-000165.zip
Use Open Board Viewer (at  https://openboardview.org/) to view the .brd file.
See https://forums.macrumors.com/threads/macbook-air-a1466-no-power-wont-start.2179208/ for the board project I've been playing with.