Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus RX 350. 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.
  
  HINT:
  
  System's voice recognition level varies depending on voice and pronunciation. This is not a malfunction.
NG: END

OK: Go to Next Step
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  
  Fig 1: Checking If Map Disc Is Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  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.
  
  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
CHECK MICROPHONE (NAVIGATION CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See NAVIGATION CHECK MODE ).
  
  Fig 3: Diagnostic Tool Display - Microphone & Voice Recognition Check
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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.
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: END