Inspection Procedure

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

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

   OK: "OFF" is not selected. 

Fig 2: Diagnosis Display Screen - Volume Control
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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. Select "Set up"
   Fig 3: Identifying 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. 

Fig 4: Diagnosis Display Screen - Voice Guidance In All Modes
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN VOICE GUIDANCE IN ALL MODES "ON" 

OK: Go to Next Step 

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up"
   Fig 5: Identifying MENU Switch

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

   OK: Auto voice guidance is not OFF. 

Fig 6: Diagnosis Display Screen - Auto Voice Guidance
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: TURN AUTO VOICE GUIDANCE "ON" 

OK: Go to Next Step 

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

   OK: No deformations or cracks on the map disc. 

   Fig 7: Checking Disc

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MAP DISC 

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: 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  )