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NAVIGATION SYSTEM (for HDD), Diagnostic DTC:B15B0

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DTC Code DTC Name
B15B0 Display Screen Malfunction
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DESCRIPTION

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

Tip:
  • 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

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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    CLEAR DTC


    1. Clear the DTC (Click here).


  2. Click here

    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.


  3. Click here

    CHECK DTC

    Tip:
    • 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

      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
      Table 1. Text in Illustration
      *a Example

  4. Click here

    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.

  5. Click here

    END

  6. Click here

    REPLACE NAVIGATION COMPUTER SUB-ASSEMBLYClick here

  7. Click here

    REPLACE MULTI-DISPLAYClick here

  8. Click here

    USE SIMULATION METHOD TO CHECKClick here

  9. Click here

    REPLACE NAVIGATION COMPUTER SUB-ASSEMBLYClick here

  10. Click here

    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

  11. Click here

    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.

  12. Click here

    END

  13. Click here

    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.

  14. Click here

    END

  15. Click here

    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.

  16. Click here

    END

  17. Click here

    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.

  18. Click here

    END

  19. Click here

    REPLACE DISPLAY MODULE BOARDClick here