Inspection Procedure

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

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Check that "OFF" is not selected.

   OK: "OFF" is not selected. 

Fig 2: Diagnostic Tool Display - Volume OFF Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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: Diagnostic Tool Display - Setup Switch

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Check that "Voice Guidance in All Modes" is not OFF.

   OK: Voice guidance in all modes is not OFF. 

Fig 4: Diagnostic Tool Display - Voice Guidance In All Modes
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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 "Setup".
   Fig 5: Diagnostic Tool Display - Setup Switch

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Check that "Auto Voice Guidance" is not OFF.

   OK: Auto voice guidance is not OFF. 

Fig 6: Diagnostic Tool Display - Auto Voice Guidance
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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 map disc. 

Fig 7: Checking Map Disc Is Not Deformed Or Cracked
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

OK: REPLACE RADIO AND NAVIGATION ASSEMBLY