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: SYSTEM'S VOICE RECOGNITION LEVEL VARIES DEPENDING ON VOICE AND PRONUNCIATION. THIS IS NOT A MALFUNCTION. 

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 Map Disc

   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. 

   HINT:

   If the disc is dirty, clean the disc by wiping the disc surface radially with a soft cloth.

   NOTE: Do not use a conventional record cleaner or antistatic preservative.
   Fig 2: Cleaning Disc With Soft Cloth

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: CLEAN MAP DISC 

OK: GO TO Next Step  .

1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (see NAVIGATION CHECK MODE  ).
2. When a voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
3. Push the recording switch and perform voice recording.

   HINT:

   The recording limit is 5 seconds.

4. Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.

   OK: All check results are normal. 

   Fig 3: Diagnostic Tool Display - Microphone & Voice Recognition Check

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE 

OK: END