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

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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
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DESCRIPTION

These DTCs are stored when a malfunction occurs in the radio and display receiver assembly.

DTC Code DTC Detection Condition Trouble Area
B1550 Digital radio tuner has a malfunction Radio and display receiver assembly
B158D The internal video signal stoppage of the radio and display receiver assembly
B15A0

When either condition below is met:


  • Bus malfunction

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

When either condition below is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction
B15B4

When either condition below is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanical malfunction

  • Mechanical malfunction
B15B7 "Bluetooth" module malfunction.
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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    CHECK DTC


    1. Clear the DTCs (Click here).

    2. Recheck for DTCs and check if the same DTC is output again (Click here).

      OK
      No DTCs are output.

  2. Click here

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLYClick here

  3. Click here

    USE SIMULATION METHOD TO CHECKClick here