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

A01GKG8E04

INSPECTION PROCEDURE

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.

    NG

    CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - BATTERY AND BODY GROUND) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

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


    1. A01GMYCE04
      Text in Illustration
      *A for 4-Passenger with Ottoman
      *B for 5-Passenger with Ottoman
      *C except Ottoman
      *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 4-Passenger with Ottoman, except Ottoman
      Tester Connection Condition Specified Condition
      R82-3 (GND) - Body ground Always Below 1 Ω
      R82-19 (GND2) - Body ground Always Below 1 Ω
      for 5-Passenger with Ottoman
      Tester Connection Condition Specified Condition
      R87-3 (GND) - Body ground Always Below 1 Ω
      R87-19 (GND2) - Body ground Always Below 1 Ω

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

      Standard Voltage
      for 4-Passenger with Ottoman, except Ottoman
      Tester Connection Condition Specified Condition
      R82-1 (+B) - Body ground Always 11 to 14 V
      R82-17 (+B2) - Body ground Always 11 to 14 V
      for 5-Passenger with Ottoman
      Tester Connection Condition Specified Condition
      R87-1 (+B) - Body ground Always 11 to 14 V
      R87-17 (+B2) - Body ground Always 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 L171 multi-media module receiver assembly connector.

    2. Disconnect the R88*1, *3 or R99*2 television display assembly connector.


      • *1: for 4-Passenger with Ottoman

      • *2: for 5-Passenger with Ottoman

      • *3: except Ottoman

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

      Standard Resistance
      for 4-Passenger with Ottoman, except Ottoman
      Tester Connection Condition Specified Condition
      L171-2 (MI+) - R88-5 (MO+) Always Below 1 Ω
      L171-3 (MI-) - R88-6 (MO-) Always Below 1 Ω
      L171-4 (SLDI) - R88-7 (SLDO) Always Below 1 Ω
      L171-2 (MI+) - Body ground Always 10 kΩ or higher
      L171-3 (MI-) - Body ground Always 10 kΩ or higher
      L171-4 (SLDI) - Body ground Always 10 kΩ or higher
      for 5-Passenger with Ottoman
      Tester Connection Condition Specified Condition
      L171-2 (MI+) - R99-5 (MO+) Always Below 1 Ω
      L171-3 (MI-) - R99-6 (MO-) Always Below 1 Ω
      L171-4 (SLDI) - R99-7 (SLDO) Always Below 1 Ω
      L171-2 (MI+) - Body ground Always 10 kΩ or higher
      L171-3 (MI-) - Body ground Always 10 kΩ or higher
      L171-4 (SLDI) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK TELEVISION DISPLAY ASSEMBLY


    1. Temporarily replace the television display assembly with a new or normally functioning 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.

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    END (TELEVISION DISPLAY ASSEMBLY IS DEFECTIVE)