USA only answers, I do not do non USA OBD2, ever.
the OBD2 port has a power pin 12vdc, and the fuse is blown
we replace the fuse
the hand tool has battery do not be fooled by said batttery.
the ODB2 port 16 pins total, and pin #16is power 12vdc,
some old (all) scan tools do not work on newer cars at all.
the secret here is missing pins on scan tool (wow).
1996 tools being the worst (have some too, have many tools)
The radio fuse is bad. (we always check fuses first)
no power no joy and no free energy,
the true wiring diagram is called a factory service manual.
can also be seen at mitchells DIY
$20 and its all there to read, vast info.
https://eautorepair.net/Marketing/Default.asp
this is not spam it is FACTs (best data lowest cost)
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