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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK NAVIGATION SYSTEM SETTING 
    1. Enter the "MENU" screen by pressing the "MENU" switch.
    2. Enter the volume adjustment screen by pressing the "Volume" switch.
      Fig 1: Checking Navigation System Setting - Volume" Switch
      G02909438Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that "OFF" is not selected.

      OK: OFF is not selected. 

      Fig 2: Checking Off" Selecting
      G02909439Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: TURN VOICE GUIDANCE VOLUME UP TO 4 USING VOICE ADJUSTMENT SWITCHES 
    2. OK: GO TO NEXT STEP. 
  2. CHECK NAVIGATION SETTING 
    1. Enter the "MENU" screen by pressing the "MENU" switch.
    2. Enter the "Setup" screen by pressing the "Setup" switch.
      Fig 3: Checking Navigation Setting - Setup" Switch
      G02909440Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Check that "Auto Voice Guidance" is not OFF.

      OK: Auto voice guidance is not OFF. 

    4. Check if "Voice Guidance in All Modes" is ON.

      OK: Voice guidance in all modes is ON. 

      Fig 4: Checking Navigation Setting - Auto Voice Guidance" Off
      G02909441Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: TURN AUTO VOICE GUIDANCE TO "ON" 
    2. OK: GO TO NEXT STEP. 
  3. CHECK THE MAP DISC 
    1. Check that the map disc is not deformed or cracked.

      OK: No deformations or cracks appear on the map disc. 

      Fig 5: Checking MAP Disc
      G02909442Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE THE MAP DISC 
    2. OK: GO TO NEXT STEP. 
  4. CHECK RADIO RECEIVER ASSY 
    1. Check if audio sound can be heard from the driver's side speaker.

      OK: Audio sound can be heard. 

    1. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    2. OK: REPLACE NAVIGATION ECU (See  REPLACEMENT  )