AVC-LAN Circuit between Navigation ECU and Multi-Display: Wiring Diagram
WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- REPLACE NAVIGATION ECU
- Replace the navigation ECU with a normal one and check if the same problem occurs again.
OK : Same problem does not occur.
NG : REPLACE MULTI-DISPLAY
OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART
- Replace the navigation ECU with a normal one and check if the same problem occurs again.