NAVIGATION SYSTEM, Diagnostic DTC:B1550, B158D, B15A0, B15B0, B15B2, B15B3, B15B4, B15B5, B15B7, B15F9

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B158D Video Signal Stoppage
B15A0 LAN Master Malfunction
B15B0 Display Screen Malfunction
B15B2 Digital TV Tuner Malfunction
B15B3 Radio Tuner Malfunction
B15B4 CD Changer Malfunction
B15B5 DVD Changer Malfunction
B15B7 Bluetooth Module Malfunction
B15F9 UART Communication Malfunction(for A/C)

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

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 Video Signal Stoppage The interval video signal of the radio and display receiver assembly is interrupted Radio and display receiver assembly
B15A0 LAN Master Malfunction

When either of the following conditions 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
B15B2 Digital TV Tuner Malfunction RF/IF malfunction Radio and display receiver assembly
B15B3 Radio Tuner Malfunction

When any of the following conditions is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction

 Radio and display receiver assembly
B15B4 CD Changer Malfunction

When any of the following conditions is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction

 Radio and display receiver assembly
B15B5 DVD Changer Malfunction

When any of the following conditions 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
B15F9 UART Communication Malfunction(for A/C)

When either of the following conditions is met:


  • Open in UART communication line is detected during radio and display receiver assembly startup routine

  • Open in UART communication line is detected based on communication error

 Radio and display receiver assembly

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio and display receiver assembly may not operate normally.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

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


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

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here