AUDIO AND VISUAL SYSTEM, Diagnostic DTC:B1550, B15A0, B15B3, B15B4, B15B5, B15B7

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B15A0 LAN Master Malfunction
B15B3 Radio Tuner Malfunction
B15B4 CD Changer Malfunction
B15B5 DVD Changer Malfunction
B15B7 Bluetooth Module Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio 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 receiver assembly
B15A0

When either of the following conditions is met:


  • Bus malfunction

  • EEPROM error
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
B15B5

When any of the following conditions 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 RECEIVER ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here