Lexus Troubleshooting Questions? Ask a Lexus Expert
I would remove 15A Tel fuse, 10A dome fuse, 20A radio 1 fuse, 15A Haz fuse and 7.5A st fuse. One at a time or you can pull them all, see if the draw is still there, this will isolate where the draw is, report back your findings.
And I forgot 10 A ignition fuse
I would suspect the ST fuse or the IGN fuse when pulled will stop draw.
I said to remove 15A Tel fuse first?
Read my first response.