Voice Guidance does not Function

CHECK NAVIGATION SYSTEM SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Volume".
  
  Fig 1: Identifying Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "OFF" is not selected.
  OK: "OFF" is not selected.
  
  Fig 2: Identifying Volume Screen - OFF
  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 "Set up".
  
  Fig 3: Identifying Set Up On Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice Guidance in All Modes" is not OFF.
  OK: Voice guidance in all modes is not OFF.
  
  Fig 4: Checking Voice Guidance In All Modes Is Not OFF
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: TURN VOICE GUIDANCE IN ALL MODES "ON"

OK: Go to next step.
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
  
  Fig 5: Identifying Set Up On Menu Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Auto Voice Guidance" is not OFF.
  OK: Auto voice guidance is not OFF.
  
  Fig 6: Checking Auto Voice Guidance Is Not OFF
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 7: 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 RECEIVER
1. Check that audio sound can be heard from the driver side speaker.
  OK: Audio sound can be heard.
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

NG: GO TO AUDIO AND VISUAL SYSTEM