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. 

   HINT:

   System's voice recognition level varies depending on voice and pronunciation. This is not a malfunction.

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 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. 

   NOTE: Do not use a conventional record cleaner or antistatic preservative.

   HINT:

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

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 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:

   Voice can be recorded up to 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 And Voice Recognition

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: END