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Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK NAVIGATION SYSTEM SETTING 
    Fig 1: Diagnostic Tool Display - Volume
    G04945352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Enter the "Menu" screen by pressing the "MENU" switch.
    2. Select "Volume".
    3. Check that "OFF" is not selected.
      Fig 2: Identifying "Off" Not Selected
      G04945353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: OFF is not selected. 

      NG: TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES 

      OK: Go to Next Step 

  2. CHECK NAVIGATION SETTING 
    Fig 3: Diagnostic Tool Display - SET UP
    G04945354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Enter the "Menu" screen by pressing the "MENU" switch.
    2. Select "Setup".
    3. Check that "Voice Guidance in All Modes" is not OFF.
      Fig 4: Checking Voice Guidance In All Modes Is Not OFF
      G04945355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: "Voice Guidance in All Modes" is not OFF. 

      NG: TURN VOICE GUIDANCE IN ALL MODES "ON" 

      OK: Go to Next Step 

  3. CHECK NAVIGATION SETTING 
    1. Enter the "Menu" screen by pressing the "MENU" switch.
    2. Fig 5: Diagnostic Tool Display - SET UP
      G04945354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Select "Setup".
    4. Fig 6: Checking Auto Voice Guidance Is Not OFF
      G04945357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Check that "Auto Voice Guidance" is not OFF.

      OK: "Auto Voice Guidance" is not OFF. 

      NG: TURN AUTO VOICE GUIDANCE "ON" 

      OK: Go to Next Step 

  4. CHECK MAP DISC 
    Fig 7: Checking Disc For Deformed Or Cracked
    G04948904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check that the map disc is not deformed or cracked.

      OK: No deformations or cracks on map disc. 

      NG: REPLACE MAP DISC 

      OK: Go to Next Step 

  5. CHECK RADIO RECEIVER 
    1. Check that audio can be heard from the speakers.

      OK: Audio can be heard. 

      NG: GO TO AUDIO AND VISUAL SYSTEM (See  PROBLEM SYMPTOMS TABLE  ) 

      OK: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN  PROBLEM SYMPTOMS TABLE