NAVIGATION SYSTEM(except Sedan), Diagnostic DTC:B1550,B15A0,B15B0,B15B3,B15B4 and B15B7

DTC Code DTC Name
B1550 DAB Tuner Malfunction
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

When one of the conditions below 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

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 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

      OK

      No DTCs are output.

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here