Voice Guidance does not Function: Procedure
- CHECK VOICE GUIDANCE SETTING
- Display the "Voice Settings" screen.
- Check that "Voice Volume" is not "Off".
OK
Voice volume is not "Off".
TEXT IN ILLUSTRATION*a Example
NG → TURN VOICE VOLUME EXCEPT "Off"
OK: Go to next step
- CHECK DATA DISC
- Check that the data disc is not deformed or cracked.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK
No deformations or cracks on the data disc
NG → REPLACE DATA DISC
OK: Go to next step
- Check that the data disc is not deformed or cracked.
- CHECK CABIN
- Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.
HINT:
- A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may cause a short circuit.
- The audio and visual system may not operate normally when the temperature is -20°C (-4°F) or lower, or 65°C (149°F) or higher.
OK
Condensation is not likely being produced and the temperature is not high or extremely low.
NG → SET CABIN TO APPROPRIATE TEMPERATURE
OK: Go to next step
- Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.
- CHECK AUDIO FUNCTION
- Check that audio sound can be heard from the driver side speaker.
OK
Sound can be heard from the audio system.
NG → See step 5
OK → See step 6
- Check that audio sound can be heard from the driver side speaker.
- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE
- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY. Refer to REMOVAL