AUDIO AND VISUAL SYSTEM, 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. DTC Detection Condition Trouble Area
B1550

When any of the following conditions is met:


  • DAB tuner decoder malfunction

  • DAB tuner audio output section malfunction

  • DAB tuner decoder RF/IF malfunction

  • DAB tuner control communication error

  • DAB tuner OFDM error

  • DAB tuner memory error

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

When either of the following conditions is met:


  • Bus malfunction

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

When any of the following conditions is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction
B15B4

When any of the following conditions is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction
B15B7 "Bluetooth" module malfunction

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here