Voice is not Recognized

WARNING: This page is about a different car, the 2006 Lexus RX 400h. 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 on map disc.
NG: REPLACE MAP DISC

Fig 1: Ensure Map Disc Is Not Cracked Or Deformed
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: GO TO NEXT STEP.
CHECK MAP DISC
1. Check for dirt on the map disc surface.
  OK: No dirt is on the map disc surface.
  
  NOTE: Do not use a conventional record cleaner or antistatic preservative.
  
  Fig 2: Cleaning Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the disc is dirty, clean the disc by wiping the disc's surface radially with a soft cloth.
NG: CLEAN MAP DISC

OK: GO TO NEXT STEP.
CHECK MICROPHONE (NAVIGATION CHECK MODE)
1. Enter the "Microphone Check" mode (See NAVIGATION CHECK MODE ).
2. Follow the directions on the screen. Check that the word recognition indicator lights up in green for each item.
  OK: All check items are recognized.
NG: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL

Fig 3: Display - Microphone Check Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE NAVIGATION ECU