Inspection Procedure

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Enter the volume adjustment screen by pressing the "Volume" switch.
   Fig 1: Identifying Menu Display

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3. Check that "Off" is not selected.

OK: "Off" is not selected. 

Fig 2: Identifying Volume Display

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

OK: Go To Next Step. 

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Enter the "Setup" screen by pressing the "Setup" switch.
   Fig 3: Identifying Menu Display

   Courtesy 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 not OFF.

OK: Voice guidance in all modes is not OFF. 

Fig 4: Identifying Step up Display

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NG: TURN AUTO VOICE GUIDANCE TO "ON" 

OK: Go To Next Step. 

1. Check that the map disc is not deformed or cracked.

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

Fig 5: Identifying Damage Disc

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NG: REPLACE MAP DISC 

OK: Go To Next Step. 

1. Check if audio sound can be heard from the driver's side speaker.

OK: Audio sound can be heard. 

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

OK: REPLACE RADIO AND NAVIGATION ASSY (SEE  RADIO RECEIVER ASSY  )