Voice Guidance does not Function

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Volume".
   Fig 1: Display - MENU

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3. Check that "off" is not selected.

   OK: "off" is not selected. 

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

Fig 2: Identifying Display

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OK: GO TO NEXT STEP. 

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

   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. 

NG: TURN AUTO VOICE GUIDANCE "ON" 

Fig 4: Display - Auto Voice Guidance

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OK: GO TO NEXT STEP. 

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

   OK: No deformations or cracks on map disc. 

NG: REPLACE MAP DISC 

Fig 5: Ensure Map Disc Is Not Cracked Or Deformed

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OK: GO TO NEXT STEP. 

1. Check that audio sound can be heard from the driver side speaker.

   OK: Audio sound can be heard. 

NG: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL 

OK: REPLACE NAVIGATION ECU