Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

CHECK NAVIGATION SETTINGS
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
  
  Fig 1: Diagnostic Tool Display - Set Up
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice Recognition Guidance" is not OFF.
  OK: Voice Recognition Guidance is not OFF.
Fig 2: Diagnostic Tool Display - Voice Recognition Guidance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN VOICE RECOGNITION GUIDANCE "ON"

OK: Go to Next Step
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks on map disc.
Fig 3: Checking Map Disc
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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 the 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 4: 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 ).
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 5: Diagnostic Tool Display - Microphone And Voice Recognition
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE NAVIGATION ECU

NG: Go to Next Step
CHECK MICROPHONE (DISPLAY CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See DISPLAY 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 recorded voice is played normally without noise or distortion.
  OK: All check results are normal.
Fig 6: 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