MAP Disc cannot be Inserted

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks appear on the map disc.
  
  Fig 1: Checking Map Disc For Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE MAP DISC

OK: GO TO NEXT STEP
CHECK RADIO AND NAVIGATION ASSEMBLY
1. Check if the "MAP" indicator near the disc slot is on.
  OK: It is not on.
  
  Fig 2: Checking If "MAP" Indicator Near Disc Slot Is On
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: PRESS EJECT SWITCH TO EJECT DISC

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE