Display Signal Circuit between Navigation ECU and Multi-display: Procedure

1. Check digital communication cable connector
   1. Check if the digital communication cable connectors between the display and navigation module display and the multi-display have any connection problems. Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE .
2. Check that the screen display is normal.

   OK

   Screen display is normal.

NG → See step   2 

OK → END 

1. Replace the multimedia module wire. Refer to DISASSEMBLY .
2. Check that the screen display is normal.

   OK

   Screen display is normal.

NG → See step   3 

OK → END 

1. Replace the digital communication cable between the display and navigation module display and the multimedia module wire.
2. Check that the screen display is normal.

   OK

   Screen display is normal.

NG → See step   4 

OK → END 

1. Replace the multi-display. Refer to DISASSEMBLY .
2. Check that the screen display is normal.

   OK

   Screen display is normal.

NG → See step   5 

OK → END