NAVIGATION SYSTEM, Diagnostic DTC:B15A0, B15AD, B15B0, B15B3, B15B4, B15B5, B15B7

DTC Code DTC Name
B15A0 LAN Master Malfunction
B15AD Navigation Processor Malfunction
B15B0 Display Screen Malfunction
B15B3 Radio Tuner Malfunction
B15B4 CD Changer Malfunction
B15B5 DVD Changer Malfunction
B15B7 Bluetooth Module Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation ECU sub-assembly.

DTC No. DTC Detection Condition Trouble Area
B15A0

When either condition below is met:


  • Bus malfunction

  • EEPROM error

 Navigation ECU sub-assembly
B15AD

When one of the conditions below is met:


  • A short to ground, short to +B or open occurs in the gyro signal circuit

  • Gyro sensor malfunction

  • GPS receiver malfunction
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
B15B4

When one of the conditions below is met:


  • Mechanism drive signal malfunction

  • Load/Eject malfunction

  • Read mechanism malfunction

  • Mechanical malfunction
B15B5
B15B7 "Bluetooth" module malfunction

INSPECTION PROCEDURE

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System Click here.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here