Voice Guidance does not Function

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

CHECK NAVIGATION SYSTEM SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Volume".
3. Check that "off" is not selected.
  OK: "Off" is not selected.
  
  Fig 2: Checking "Off" Is Not Selected
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES

OK: GO TO NEXT STEP
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Setup".
  
  Fig 3: Selecting "Setup"
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Auto Voice Guidance" is not OFF.
  OK: Auto voice guidance is not OFF.
4. Check that "Voice Guidance in All Modes" is not OFF.
  OK: Voice guidance in all modes is not OFF.
NG: TURN AUTO VOICE 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 5: Ensure Map Disc Is Not Cracked Or Deformed
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE MAP DISC

OK: GO TO NEXT STEP
CHECK RADIO AND NAVIGATION ASSEMBLY
1. 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 RADIO AND NAVIGATION ASSEMBLY