Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. 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: Identifying MENU Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice Recognition Guidance" is not OFF.
  OK: Voice Recognition Guidance is not OFF.
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 the 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 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
NG: CLEAN MAP DISC

OK: Go to Next Step
CHECK MICROPHONE (NAVIGATION CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See OPERATION CHECK )
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: Go to step 5

OK: REPLACE NAVIGATION ECU (See REMOVAL )
CHECK MICROPHONE (DISPLAY CHECK MODE)
1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (See OPERATION CHECK ).
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 6: Identifying MICROPHONE & VOICE RECOGNITION CHECK Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )

OK: END