Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001D1L003X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: NAVIGATION: NAVIGATION SYSTEM: Black Screen Appears when MAP, MENU or DEST Switch Pressed; 2007 MY LX470 [08/2006 -        ]

Black Screen Appears when MAP, MENU or DEST Switch Pressed

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK NAVIGATION ECU POWER SOURCE CIRCUIT

(a) Check the navigation ECU power source circuit 2007 MY LX470 [08/2006 -        ]; NAVIGATION: NAVIGATION SYSTEM: Navigation ECU Power Source Circuit .

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

2.

CHECK DISPLAY SIGNAL CIRCUIT

(a) Check the display signal circuit 2007 MY LX470 [08/2006 -        ]; NAVIGATION: NAVIGATION SYSTEM: Display Signal Circuit between Navigation ECU and Multi-display .

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

OK

REPLACE MULTI-DISPLAY