DTC B15B0: Display Screen Malfunction: Procedure

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

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