AUDIO AND VISUAL SYSTEM(for Radio and Display Type), Diagnostic DTC:B1550, B158D, B15A0, B15B0, B15B3, B15B4, B15B7

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
B15B7 Bluetooth Module Malfunction

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B1550 DAB Tuner Malfunction Digital radio tuner has a malfunction Radio and display receiver assembly
B158D Video Signal Stoppage The internal video signal of the radio and display receiver assembly is interrupted Radio and display receiver assembly
B15A0 LAN Master Malfunction

When either condition below is met:


  • Bus malfunction

  • EEPROM error

 Radio and display receiver assembly
B15B0 Display Screen Malfunction Picture circuit (TFT unit) malfunction Radio and display receiver assembly
B15B3 Radio Tuner Malfunction

When one of the conditions below is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction

 Radio and display receiver assembly
B15B4 CD Changer Malfunction

When one of the conditions below is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction

 Radio and display receiver assembly
B15B7 Bluetooth Module Malfunction "Bluetooth" module malfunction Radio and display receiver assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Navigation System > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTCs are output

    No DTCs are output

    USE SIMULATION METHOD TO CHECK Click here

    DTCs are output

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here