AUDIO AND VISUAL SYSTEM (for Radio and Display Type without Intuitive Parking Assist System), Diagnostic DTC:B1551, B158D, B15A0, B15B0, B15B3, B15B4, B15B7

DTC Code DTC Name
B1551 HD Radio 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. DTC Detection Condition Trouble Area
B1551

When one of the conditions below is met:


  • "HD Radio" tuner decorder malfunction

  • "HD Radio" tuner audio output section malfunction

  • "HD Radio" tuner decorder RF/IF malfunction

 Radio and display receiver assembly
B158D The internal video signal of the radio and display receiver assembly is interrupted
B15A0

When either condition 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:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction
B15B7 "Bluetooth" module malfunction

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here