Voice Guidance does not Function
PROCEDURE
1.
CHECK VOICE GUIDANCE SETTING
(a) Display the "Voice Settings" screen.
(b) Check if the "Voice Recognition Prompts" is not "Off".
OK:
Malfunction disappears.
OK
...
AVC-LAN Circuit
DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication bus)
transfers the switch signals using the AVC-LAN.
If a short to +B or short to ground occurs in the AVC-LAN, the navigation system
will not function normally becaus ...