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 multi-display controller sub-assembly are connected by a MOST communication line.

When a MOST communication error occurs between the multi-media module receiver assembly and multi-display controller sub-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

  • Multi-display controller sub-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

B001WFCE07

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
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - BATTERY AND BODY GROUND)


    1. B001YV3E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-display Controller Sub-assembly)

      Disconnect the multi-display controller sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L67-14 (GND) - Body ground Always Below 1 Ω
      L67-15 (GND5) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L67-1 (+B) - Body ground Always 11 to 14 V
      L67-6 (+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 - MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY)


    1. Disconnect the F102 multi-media module receiver assembly connector.

    2. Disconnect the L77 multi-display controller sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F102-2 (MI+) - L77-5 (MO+) Always Below 1 Ω
      F102-3 (MI-) - L77-6 (MO-) Always Below 1 Ω
      F102-4 (SLDI) - L77-7 (SLDO) Always Below 1 Ω
      F102-2 (MI+) or L77-5 (MO+) - Body ground Always 10 kΩ or higher
      F102-3 (MI-) or L77-6 (MO-) - Body ground Always 10 kΩ or higher
      F102-4 (SLDI) or L77-7 (SLDO) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY


    1. Replace the multi-display controller sub-assembly with a new or known good one Click here.


    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
      No DTCs are output.

    OK

    END (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here