Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. 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: Identifying Volume OFF Switch
  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".
3. Check that "Voice Guidance in All Modes" is not OFF.
  OK: "Voice Guidance in All Modes" is not OFF.
  
  Fig 4: Diagnostic Menu Screen Display - Voice Guidance In All Modes
  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 "Setup".
  
  Fig 5: Identifying Menu Switch Setup
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Auto Voice Guidance" is not OFF.
  OK: "Auto Voice Guidance" is not OFF.
  
  Fig 6: Diagnostic Menu Screen Display - Auto Voice Guidance
  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.
  
  Fig 7: Checking Disc For Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK: No deformations or cracks on map disc.
NG: REPLACE MAP DISC

OK: Go to Next Step

CHECK NAVIGATION RECEIVER

Check that audio can be heard from the speakers.

OK: Audio can be heard.

Result

NAVIGATION RECEIVER RESULT CHART

Result	Proceed to
OK (for Column Shift Type)	A
OK (for Floor Shift Type)	B
NG	C

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

C: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

A: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )