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

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B158D Video Signal Stoppage
B15A0 LAN Master Malfunction
B15B0 Display Screen Malfunction
B15B3 Radio Tuner Malfunction

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

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).

    2. Check for DTCs (Click here).

      OK

      No DTCs are output.

    USE SIMULATION METHOD TO CHECK

    (Click here)

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    (Click here)