Last Modified: 4-30-2014 6.6 J Doc ID: RM000001B5K001X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: NAVIGATION: NAVIGATION SYSTEM: Voice Guidance does not Function; 2006 MY LX470 [05/2005 -        ]

Voice Guidance does not Function

INSPECTION PROCEDURE

PROCEDURE

1.

SET VOLUME TO MAX IN MENU SCREEN
OK

NORMAL (VOICE NAVIGATION IS NOT AVAILABLE. NO DESTINATION IS SET, OR THE VEHICLE IS RUNNING OFF THE ROUTE.)

NG

2.

CHECK SPEAKER CIRCUIT

(a) Check the speaker circuit 2006 MY LX470 [05/2005 -        ]; NAVIGATION: NAVIGATION SYSTEM: Speaker Circuit .

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

3.

CHECK SOUND

(a) Check if the radio sound can be heard from the driver side door speaker.

OK

REPLACE NAVIGATION ECU

NG

REPLACE SPEAKER