Inspection Procedure

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

Fig 2: Identifying Display Screen - Volume
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: GO TO NEXT STEP
CHECK NAVIGATION SETTING
1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Setup".
  
  Fig 3: Identifying Display Screen - Menu
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice guide in all modes" is not OFF.
  OK:
  
  Voice guide in all modes is not OFF.
NG: TURN VOICE GUIDANCE IN ALL MODES "ON"

Fig 4: Identifying Display Screen - Setup
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.
NG: REPLACE MAP DISC

Fig 5: Ensure Map Disc Is Not Cracked Or Deformed
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: REPLACE NAVIGATION ECU