REAR SEAT ENTERTAINMENT SYSTEM, Diagnostic DTC:B15CE

DTC Code DTC Name
B15CE Seatback Display Disconnected

DESCRIPTION

The television display assembly and multi-display controller sub-assembly are connected by an AVC-LAN communication line.

The multi-media module receiver assembly is connected to the multi-display controller sub-assembly by a MOST communication line.

This DTC will be stored when an AVC-LAN communication error occurs between the multi-display controller sub-assembly and television display assembly.

DTC Code DTC Detection Condition Trouble Area
B15CE

Either condition is met:


  • The television display assembly is not connected while the engine switch is on (IG) or (ACC).

  • Communication between the master unit and television display assembly is not possible when the engine is started.

  • Television display assembly power source circuit

  • AVC-LAN circuit between multi-display controller sub-assembly and television display assembly

  • Multi-display controller sub-assembly

  • Television display assembly LH

  • Television display assembly RH

Tech Tips


  • Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.

  • The multi-media module receiver assembly is the master unit.

WIRING DIAGRAM

B001A9GE02
*a Multi-media Module Receiver Assembly
*b Television Display Assembly LH
*c Multi-display Controller Sub-assembly
*d Television Display Assembly RH

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs and check if the same trouble occurs again Click here.

      OK
      No DTCs are output.

    NG

    USE SIMULATION METHOD TO CHECK Click here

    OK

  3. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Check that optional components (including associated wiring) which generate radio waves are not installed.

      Result
      Result Proceed to
      Optional components (including associated wiring) are installed A
      Optional components (including associated wiring) are not installed B

    B

    CLEAR DTC Click here

    A

  4. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Remove optional components (including associated wiring).

      Note

      Do not remove optional components or associated wiring without the permission of the customer.


    NEXT

  5. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  6. CHECK FOR DTC


    1. Check for DTCs and check if the same trouble occurs again Click here.

      OK
      No DTCs are output.

    OK

    END

    NG

  7. CHECK OPERATION


    1. Check which television display assembly does not operate.

      Result
      Result Proceed to
      Television display assembly LH does not operate A
      Television display assembly RH does not operate B

    B

    CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY RH POWER SOURCE) Click here

    A

  8. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH POWER SOURCE)


    1. B001A15E03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Television Display Assembly LH)

      Disconnect the television display assembly LH connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      c68-6 (PWR2) - c68-9 (GND) Engine switch on (IG) 11 to 14 V
      c68-6 (PWR2) - c68-10 (GND2) Engine switch on (IG) 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY LH) Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY LH)


    1. Disconnect the L79 multi-display controller sub-assembly connector.

    2. Disconnect the c68 television display assembly LH connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L79-12 (TX2+) - c68-3 (TX2+) Always Below 1 Ω
      L79-13 (TX2-) - c68-4 (TX2-) Always Below 1 Ω
      L79-12 (TX2+) - Body ground Always 10 kΩ or higher
      L79-13 (TX2-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. CHECK TELEVISION DISPLAY ASSEMBLY LH


    1. Replace the television display assembly LH Click here.

    2. Clear the DTCs Click here.

    3. Check for DTCs and check if the same trouble occurs again.

      OK
      No DTCs are output.

    OK

    END (TELEVISION DISPLAY ASSEMBLY LH IS DEFECTIVE)

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

  11. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY LH)


    1. Disconnect the L80 multi-display controller sub-assembly connector.

    2. Disconnect the c68 television display assembly LH connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L80-2 (PWR2) - c68-6 (PWR2) Always Below 1 Ω
      L80-10 (GND2) - c68-9 (GND) Always Below 1 Ω
      L80-11 (GND4) - c68-10 (GND2) Always Below 1 Ω
      L80-2 (PWR2) - Body ground Always 10 kΩ or higher
      L80-10 (GND2) - Body ground Always 10 kΩ or higher
      L80-11 (GND4) - Body ground Always 10 kΩ or higher

    OK

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY RH POWER SOURCE)


    1. B001AXKE03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Television Display Assembly RH)

      Disconnect the television display assembly RH connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      c66-6 (PWR1) - c66-9 (GND6) Engine switch on (IG) 11 to 14 V
      c66-6 (PWR1) - c66-10 (GND4) Engine switch on (IG) 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH) Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH)


    1. Disconnect the L79 multi-display controller sub-assembly connector.

    2. Disconnect the c66 television display assembly RH connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L79-10 (TX1+) - c66-3 (TX+) Always Below 1 Ω
      L79-11 (TX1-) - c66-4 (TX-) Always Below 1 Ω
      L79-10 (TX1+) - Body ground Always 10 kΩ or higher
      L79-11 (TX1-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. CHECK TELEVISION DISPLAY ASSEMBLY RH


    1. Replace the television display assembly RH Click here.

    2. Clear the DTCs Click here.

    3. Check for DTCs and check if the same trouble occurs again.

      OK
      No DTCs are output.

    OK

    END (TELEVISION DISPLAY ASSEMBLY RH IS DEFECTIVE)

    NG

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

  15. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH)


    1. Disconnect the L80 multi-display controller sub-assembly connector.

    2. Disconnect the c66 television display assembly RH connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      L80-3 (PWR1) - c66-6 (PWR1) Always Below 1 Ω
      L80-12 (GND1) - c66-9 (GND6) Always Below 1 Ω
      L80-13 (GND3) - c66-10 (GND4) Always Below 1 Ω
      L80-3 (PWR1) - Body ground Always 10 kΩ or higher
      L80-12 (GND1) - Body ground Always 10 kΩ or higher
      L80-13 (GND3) - Body ground Always 10 kΩ or higher

    OK

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR