Inspection Procedure

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

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

   OK: "OFF" is not selected. 

NG: TURN AUTO VOICE GUIDANCE "ON" 

Fig 2: Screen Display - Adaptive Volume Control

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Set up".
   Fig 3: Screen Display - "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: Screen Display - Voice Guidance In All Modes

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step 

1. Enter the "Menu" screen by pressing the "MENU" switch.
2. Select "Setup".
   Fig 5: Screen Display - "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: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL )

Fig 6: Screen Display - "Auto Voice Guidance"

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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. 

NG: REPLACE MAP DISC 

Fig 7: Precaution For Disc Deformed And Cracked

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

OK: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL )