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DTC B15CE: Seatback Display Disconnected [10/2017 - 10/2022]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 09/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2019 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022] 

    Result: 

    NG 

    See step  3

  3. 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

    Result: 

    B 

    See step  9

    Result: 

    A 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY LH - BATTERY AND BODY GROUND) 
    1. Disconnect the L141 television display assembly LH connector.
    2. Measure the resistance according to the value(s) in the table below.
      STANDARD RESISTANCE:

      Tester Connection Condition Specified Condition
      L141-10 (GND2) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.
      STANDARD VOLTAGE:

      Tester Connection Switch Condition Specified Condition
      L141-6 (+B) - L141-10 (GND2) Power switch off 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY LH) 
    1. Disconnect the L137 multi-display controller sub-assembly connector.
    2. Disconnect the L141 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
      L137-12 (TX2+) - L141-3 Always Below 1 Ω
      L137-13 (TX2-) - L141-4 Always Below 1 Ω
      L137-12 (TX2+) - Body ground Always 10 kΩ or higher
      L137-13 (TX2-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. REPLACE TELEVISION DISPLAY ASSEMBLY LH 
    1. Replace the television display assembly LH.

      Refer to REMOVAL [10/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. CLEAR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (TELEVISION DISPLAY ASSEMBLY LH IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY. Refer to  REMOVAL [10/2017 - 10/2022] 

  9. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY RH - BATTERY AND BODY GROUND) 
    1. Disconnect the L142 television display assembly RH connector.
    2. Measure the resistance according to the value(s) in the table below.
      STANDARD RESISTANCE:

      Tester Connection Condition Specified Condition
      L142-10 (GND4) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.
      STANDARD VOLTAGE:

      Tester Connection Switch Condition Specified Condition
      L142-6 (+B) - L142-10 (GND4) Power switch off 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  10

  10. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH) 
    1. Disconnect the L137 multi-display controller sub-assembly connector.
    2. Disconnect the L142 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
      L137-10 (TX1+) - L142-3 Always Below 1 Ω
      L137-11 (TX1-) - L142-4 Always Below 1 Ω
      L137-10 (TX1+) - Body ground Always 10 kΩ or higher
      L137-11 (TX1-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  11

  11. REPLACE TELEVISION DISPLAY ASSEMBLY RH 
    1. Replace the television display assembly RH.

      Refer to REMOVAL [10/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  12

  12. CLEAR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  13

  13. CHECK FOR DTC 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2022]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (TELEVISION DISPLAY ASSEMBLY RH IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY. Refer to  REMOVAL [10/2017 - 10/2022] 

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