Inspection Procedure

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

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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: Display - Adaptive Volume Control

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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 - Pressing MENU Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Voice Guidance in All Modes" is not OFF.

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

NG: TURN VOICE GUIDANCE IN ALL MODES "ON" 

Fig 4: Display - Voice Guidance In All Modes

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OK: Go to Next Step 

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Setup".
   Fig 5: Display - Pressing MENU Switch

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Check that "Auto Voice Guidance" is not OFF.

   OK: "Auto Voice Guidance" is not OFF. 

NG: TURN AUTO VOICE GUIDANCE "ON" 

Fig 6: 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 7: Caution For Disc Cracks

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OK: Go to Next Step 

1. Check that audio can be heard from the speakers.

   OK: Audio can be heard. 

NG: GO TO AUDIO AND VISUAL SYSTEM  (See SPEAKER CIRCUIT )

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )