AUDIO AND VISUAL SYSTEM(w/ Multi-display), Diagnostic DTC:B15D6

DTC Code DTC Name
B15D6 Display Disconnected

DESCRIPTION

The multi-display assembly and multi-media module receiver assembly are connected by an AVC-LAN communication line.

When an AVC-LAN communication error occurs between the display module board and multi-display assembly, this DTC is will be stored.

DTC Code DTC Detection Condition Trouble Area
B15D6 A device that is listed in the AVC-LAN connected device record of the master unit is missing.

  • Harness or connector

  • AVC-LAN circuit

  • Multi-display assembly

  • Multi-media module receiver assembly

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

B001YEUE16

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 ASSEMBLY - BATTERY AND BODY GROUND)


    1. B001XKTE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-display Assembly)

      Disconnect the multi-display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F79-13 (GND1) - 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
      F79-12 (B) - F79-13 (GND1) Always 11 to 14 V
      F79-24 (ACC) - F79-13 (GND1) Engine switch on (ACC) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. B001XXJE57

      Remove the multi-media module receiver assembly Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      45 (TX3+) - 46 (TX3-) Always 60 to 80 Ω

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

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


    1. Disconnect the F77 multi-media module receiver assembly connector.

    2. Disconnect the F79 multi-display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-45 (TX3+) - F79-7 (TX+) Always Below 1 Ω
      F77-46 (TX3-) - F79-19 (TX-) Always Below 1 Ω
      F77-45 (TX3+) or F79-7 (TX+) - Body ground Always 10 kΩ or higher
      F77-46 (TX3-) or F79-19 (TX-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE MULTI-DISPLAY ASSEMBLY


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


    NEXT

  7. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  8. 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 ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here