Voice Guidance does not Function: Procedure
- CHECK NAVIGATION SYSTEM SETTING
- Enter the menu screen by pressing the "MENU" switch.
- Select "Volume".
- Check that "OFF" is not selected.
OK
OFF is not selected.
NG → TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES
OK: Go to next step
- CHECK NAVIGATION SETTING
- Enter the menu screen by pressing the "MENU" switch.
- Select "Setup".
- Check that "Auto Voice Guidance" is not off.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK
Auto voice guidance is not off.
- Check that "Voice Guidance in All Modes" is on.
OK
Voice guidance in all modes is on.
NG → TURN AUTO VOICE GUIDANCE "ON"
OK: Go to next step
- CHECK MAP DISC
- 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 that the map disc is not deformed or cracked.
- CHECK RADIO RECEIVER ASSEMBLY
- Check that audio sound can be heard from the driver side speaker.
OK
Audio sound can be heard.
NG → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK → REPLACE NAVIGATION ECU
- Check that audio sound can be heard from the driver side speaker.