NAVIGATION SYSTEM (for Radio and Display Type), Diagnostic DTC:B1550, B158D, B15A0, B15B0, B15B3, B15B4

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B158D Video Signal Stoppage
B15A0 LAN Master Malfunction
B15B0 Display Screen Malfunction
B15B3 Radio Tuner Malfunction
B15B4 CD Changer Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio and display receiver assembly.

DTC Code DTC Detection Condition Trouble Area
B1550 Digital radio tuner has a malfunction Radio and display receiver assembly
B158D The internal video signal of the radio and display receiver assembly is interrupted
B15A0

When either of the conditions below is met:


  • Bus malfunction

  • EEPROM error
B15B0 Picture circuit (TFT unit) malfunction
B15B3

When one of the conditions below is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction
B15B4

When one of the conditions below is met:


  • Mechanical communication error

  • Load/Eject malfunction

  • Read malfunction

  • Mechanical malfunction

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      No DTCs are output.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here