NAVIGATION SYSTEM(for Radio and Display Type), Diagnostic DTC:B1550, B158D, B15A0, B15B0, B15B3, B15B4

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

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 Digital radio tuner has a malfunction Radio and display receiver assembly
B158D Video Signal Stoppage The internal video signal of the radio and display receiver assembly is interrupted Radio and display receiver assembly
B15A0 LAN Master Malfunction

When either of the conditions 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:


  • Mechanical communication error

  • Load/Eject malfunction

  • Read malfunction

  • Mechanical malfunction

 Radio and display receiver assembly

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Check for DTCs.

      Click here


      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 & DISPLAY RECEIVER ASSEMBLY Click here