Inspection Procedure

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

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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: Diagnosis Display Screen - 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: Identifying MENU Screen Display - Setup

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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: Diagnosis Display - Setup Screen

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OK: Go to Next Step 

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

   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: Identifying Setup Screen Display - Auto Voice Guidance

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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 PROBLEM SYMPTOMS TABLE )

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