Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CONDITION
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
CHECK MAP DISC

Fig 1: Checking Disc For Deformed Or Cracked
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks on map disc.
  
  NG: REPLACE MAP DISC
  
  OK: Go to Next Step
CHECK MAP DISC
1. Check for dirt on the map disc surface.
  OK: No dirt is on map disc surface.
  
  Fig 2: Cleaning Disc Surface With Soft Cloth
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  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.
  
  NG: CLEAN MAP DISC
  
  OK: Go to Next Step
CHECK MICROPHONE (NAVIGATION CHECK MODE)
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.
  
  NG: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE
  
  OK: END