Navigation System Voice Is Not Recognized

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

INSPECTION PROCEDURE

CHECK MAP DISC

CHECK MAP DISC

CHECK MICROPHONE (NAVIGATION CHECK MODE)

NAVIGATION SYSTEM - Voice is not Recognized


INSPECTION PROCEDURE

1.CHECK MAP DISC
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Voice Is Not Recognized
  1. Check that the map disc is not deformed or cracked.

    OK:
    No deformations or cracks on map disc.


NG
REPLACE MAP DISC
OK


2.CHECK MAP DISC
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Voice Is Not Recognized
  1. Check for dirt on the map disc surface.

    OK:
    No dirt is on the map disc surface.
    NOTICE:
    Do not use a conventional record cleaner or anti-static preservative.
    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


3.CHECK MICROPHONE (NAVIGATION CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Voice Is Not Recognized
  1. Enter the "Microphone Check" mode (Click here).

  1. Follow the directions on the screen. Check that the word recognition indicator is displayed in green for each item.

    OK:
    All check items are recognized.


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

REPLACE NAVIGATION ECU