DTC B15B0: Display Screen Malfunction: Procedure

CHECK DTC
1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Recheck for DTCs and check if the same trouble occurs again.
  OK
  
  No DTCs are output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY. Refer to REMOVAL