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

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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

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    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    Click here