NAVIGATION SYSTEM (for HDD), Diagnostic DTC:B15B0

DTC Code DTC Name
B15B0 Display Screen Malfunction

DESCRIPTION

This DTC is stored when a malfunction occurs in the navigation computer sub-assembly, multi-display or display module board.

Tech Tips


  • The trouble area cannot be determined by checking DTCs with the intelligent tester. It is necessary to display the "System Check Mode" screen to determine the trouble area.

  • If the picture circuit is faulty, the navigation computer sub-assembly or the multi-display stores the DTC.

  • If the multi-display open/close function is malfunctioning, the display module board stores the DTC.

DTC No. DTC Detection Condition Trouble Area
B15B0 Picture circuit (TFT unit) malfunction

  • Multi-display

  • Navigation computer sub-assembly
Multi-display open/close function malfunction

  • Driving parts used for driven part of multi-display

  • Sensor wire

  • Multi-display controller sub-assembly

  • Display module board

INSPECTION PROCEDURE

Note

When replacing the navigation computer sub-assembly, perform vehicle contract setting (w/ G-BOOK System) Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTC Click here.


    NEXT

  2. CHECK FOREIGN OBJECT


    1. Check the area around the center instrument cluster finish panel assembly for obstacles or protrusions which may interrupt opening/closing of the multi-display, and also check for foreign objects stuck in moving parts. If any foreign objects are present, remove them.


    NEXT

  3. CHECK DTC

    Tech Tips


    • The trouble area cannot be determined by checking DTCs with the intelligent tester. It is necessary to display the "System Check Mode" screen to determine the trouble area.

    • If the picture circuit is faulty, the multi-display or the navigation computer sub-assembly stores the DTC.

    • If the multi-display open/close function is malfunctioning, the display module board stores the DTC.

    • If the multi-display does not open when the power switch is turned on (ACC), manually open the multi-display and display the "System Check Mode" screen.


    1. A003Y0SE01
      Text in Illustration
      *a Example

      Display the "System Check Mode" screen Click here.

    2. Check result on the "System Check Mode" screen.

      Result
      Result Proceed to
      The trouble area cannot be determined using the "System Check Mode" screen due to a multi-display malfunction. A
      DTC "B15B0" is output from "EMV-M". B
      DTC "B15B0" is output from "DISP". C
      The trouble area cannot be determined using the "System Check Mode" screen because the multi-display does not open when the power switch is turned on (ACC). D
      DTC "B15B0" is output from "MOTOR-C". D
      No DTCs are output. E

    B

    REPLACE NAVIGATION COMPUTER SUB-ASSEMBLY Click here

    C

    REPLACE MULTI-DISPLAY Click here

    D

    CHECK CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (DRIVING PART USED FOR DRIVEN PART OF MULTI-DISPLAY) Click here

    E

    USE SIMULATION METHOD TO CHECK Click here

    A

  4. REPLACE MULTI-DISPLAY


    1. Replace the multi-display Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION COMPUTER SUB-ASSEMBLY Click here

    OK

    END

  5. CHECK CENTER INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY (DRIVING PART USED FOR DRIVEN PART OF MULTI-DISPLAY)


    1. Check that there is no damage on the driving parts that drive the multi-display and that no foreign objects are caught Click here.

      Result
      Result Proceed to
      Damage on the driving parts. A
      Foreign objects are caught between the driving parts. B
      No damage on the driving parts and no foreign objects are caught between the driving parts. C

    B

    REMOVE FOREIGN OBJECT Click here

    C

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    A

  6. REPLACE DAMAGED DRIVING PART


    1. Replace damaged driving parts Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    OK

    END

  7. REMOVE FOREIGN OBJECT


    1. Remove foreign objects caught between the driving parts.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    OK

    END

  8. REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. Replace the multi-display controller sub-assembly Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    REPLACE SENSOR WIRE Click here

    OK

    END

  9. REPLACE SENSOR WIRE


    1. Replace the sensor wire Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTCs are output again.

      OK
      No DTCs are output.

    NG

    REPLACE DISPLAY MODULE BOARD Click here

    OK

    END