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Inspection Procedure

  1. CHECK NAVIGATION SYSTEM SETTING 
    1. Enter the menu screen by pressing the "MENU" switch.
    2. Select "Volume".
      Fig 1: Diagnostic Tool Display - Volume
      G05293280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that "OFF" is not selected.
      Fig 2: Diagnostic Tool Display - OFF
      G05293281Courtesy 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 
    1. Enter the menu screen by pressing the "MENU" switch.
    2. Select "Setup".
      Fig 3: Diagnostic Tool Display - SET UP
      G05293282Courtesy 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 on.
      Fig 4: Diagnostic Tool Display - Voice Guidance In All Modes
      G05293283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: 

      Voice guidance in all modes is on. 

    NG: TURN AUTO VOICE GUIDANCE "ON" 

    OK: Go to next step 

  3. CHECK MAP DISC 
    1. Check that the map disc is not deformed or cracked.
      Fig 5: Checking CD For Deformed Or Cracked
      G05293284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: 

      No deformations or cracks on map disc. 

    NG: REPLACE MAP DISC 

    OK: Go to next step 

  4. CHECK RADIO RECEIVER 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 NAVIGATION ECU