Inspection Procedure

1. Check if the system's voice recognition level is low by using only one particular voice.

   OK: 

   System's voice recognition level is low with any voice. 

NG: END 

OK: Go to Next Step 

1. Check that the map disc is not deformed or cracked.

   OK: 

   No deformations or cracks on map disc. 

Fig 1: Checking Disc For Deformed Or Cracked

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MAP DISC 

OK: Go to Next Step 

1. Check for dirt on the map disc surface.

   OK: 

   No dirt is on map disc surface. 

   NOTE: 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.

Fig 2: Cleaning Disc With Soft Cloth

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: CLEAN MAP DISC 

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