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

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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
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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 of the radio and display receiver assembly is interrupted
B15A0

When either of the conditions below is met:


  • Bus malfunction

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

When one of the conditions below is met:


  • AM tuner PLL is unlocked

  • FM tuner PLL is unlocked

  • Tuner malfunction
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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).

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PROCEDURE


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    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      No DTCs are output.

    • OK

      USE SIMULATION METHOD TO CHECK (Click here)

    • NG

      REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (Click here)