Lexus IS250 IS220d GSE20 ALE20 - NAVIGATION

INSPECTION PROCEDURE

CHECK NAVIGATION SETTING

CHECK MAP DISC

CHECK MAP DISC

CHECK MICROPHONE (NAVIGATION CHECK MODE)

CHECK MICROPHONE (DISPLAY CHECK MODE)

NAVIGATION SYSTEM - Voice is not Recognized

INSPECTION PROCEDURE

1.CHECK NAVIGATION SETTING
Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Enter the "Menu" screen by pressing the "MENU" switch.

Select "Set up".

Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Check that "Voice Recognition Guidance" is not OFF.

  • OK:
  • Voice Recognition Guidance is not OFF.
NG
TURN VOICE RECOGNITION GUIDANCE "ON"
OK
2.CHECK MAP DISC
Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Check that the map disc is not deformed or cracked.

  • OK:
  • No deformations or cracks on map disc.
NG
REPLACE MAP DISC
OK
3.CHECK MAP DISC
Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Check for dirt on the map disc surface.

  • OK:
  • No dirt is on the map disc surface.
  • NOTICE:
  • Do not use a conventional record cleaner or anti-static 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
4.CHECK MICROPHONE (NAVIGATION CHECK MODE)
Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode .

When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

Push the recording switch and perform voice recording.

  • HINT:
  • Voice can be recorded up to 5 seconds.

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.
OK
REPLACE NAVIGATION ECU
NG
5.CHECK MICROPHONE (DISPLAY CHECK MODE)
Navigation System - Voice Is Not Recognized. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode .

When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

Push the recording switch and perform voice recording.

  • HINT:
  • Voice can be recorded up to 5 seconds.

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
REPLACE MULTI-DISPLAY
LEXUS IS250, IS220d / GSE20 ALE20