REAR SEAT ENTERTAINMENT SYSTEM, Diagnostic DTC:B15D5

DTC Code DTC Name
B15D5 Rear Seat Entertainment System Disconnected

DESCRIPTION

The multi-media module receiver assembly and television display assembly are connected by a MOST communication line.

When a MOST communication error occurs between the multi-media module receiver assembly and television display assembly, these DTCs will be stored.

DTC Code DTC Detection Condition Trouble Area
B15D5* A device that is listed in the MOST network connected device record of the master unit is missing.

  • MOST communication line

  • Multi-media module receiver assembly

  • Television display assembly

  • Harness or connector

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

A000YUHE12

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      DTC B15D5 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - BATTERY AND BODY GROUND)


    1. A000V4YE01
      Text in Illustration
      *A for Roof
      *B for Center Console Side
      *a

      Front view of wire harness connector

      (to Television Display Assembly)

      Disconnect the television display assembly connector.

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

      Standard Resistance
      for Roof
      Tester Connection Condition Specified Condition
      z99-3 (GND) - Body ground Always Below 1 Ω
      z99-19 (GND2) - Body ground Always Below 1 Ω
      for Center Console Side
      Tester Connection Condition Specified Condition
      R112-3 (GND) - Body ground Always Below 1 Ω
      R112-19 (GND2) - Body ground Always Below 1 Ω

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

      Standard Voltage
      for Roof
      Tester Connection Switch Condition Specified Condition
      z99-1 (+B) - Body ground Power switch off 11 to 14 V
      z99-17 (+B2) - Body ground Power switch off 11 to 14 V
      for Center Console Side
      Tester Connection Switch Condition Specified Condition
      R112-1 (+B) - Body ground Power switch off 11 to 14 V
      R112-17 (+B2) - Body ground Power switch off 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)


    1. Disconnect the L174 multi-media module receiver assembly connector.

    2. Disconnect the R104*1 or R105*2 television display assembly connector.


      • *1: for Roof

      • *2: for Center Console Side

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

      Standard Resistance
      for Roof
      Tester Connection Condition Specified Condition
      L174-2 (MI+) - R104-5 (MO+) Always Below 1 Ω
      L174-3 (MI-) - R104-6 (MO-) Always Below 1 Ω
      L174-4 (SLDI) - R104-7 (SLDO) Always Below 1 Ω
      L174-2 (MI+) or R104-5 (MO+) - Body ground Always 10 kΩ or higher
      L174-3 (MI-) or R104-6 (MO-) - Body ground Always 10 kΩ or higher
      L174-4 (SLDI) or R104-7 (SLDO) - Body ground Always 10 kΩ or higher
      for Center Console Side
      Tester Connection Condition Specified Condition
      L174-2 (MI+) - R105-5 (MO+) Always Below 1 Ω
      L174-3 (MI-) - R105-6 (MO-) Always Below 1 Ω
      L174-4 (SLDI) - R105-7 (SLDO) Always Below 1 Ω
      L174-2 (MI+) or R105-5 (MO+) - Body ground Always 10 kΩ or higher
      L174-3 (MI-) or R105-6 (MO-) - Body ground Always 10 kΩ or higher
      L174-4 (SLDI) or R105-7 (SLDO) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK TELEVISION DISPLAY ASSEMBLY


    1. Replace the television display assembly with a new or known good one.



    NEXT

  6. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  7. CHECK FOR DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      DTC B15D5 is output.

    OK

    END (TELEVISION DISPLAY ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here