NAVIGATION SYSTEM, 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 multi-media module receiver assembly and multi-display assembly, these DTCs 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.

  • Multi-display power source circuit

  • 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

A01EOPYE08

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 DTC


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

      OK
      No DTCs are output

    NG

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

    OK

    USE SIMULATION METHOD TO CHECK Click here

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


    1. A01EOORE26
      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
      F78-13 (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
      F78-12 (+B2) - F78-13 (GND1) Always 11 to 14 V
      F78-23 (IG) - F78-13 (GND1) Engine switch on (IG) 11 to 14 V
      F78-24 (ACC) - F78-13 (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. A01EODEE03

      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 F76 multi-media module receiver assembly connector.

    2. Disconnect the F78 multi-display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F76-45 (TX3+) - F78-7 (TX+) Always Below 1 Ω
      F76-46 (TX3-) - F78-19 (TX-) Always Below 1 Ω
      F76-45 (TX3+) - Body ground Always 10 kΩ or higher
      76-46 (TX3-) - 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 normally functioning one Click here.


    NEXT

  7. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  8. CHECK DTC


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

      OK
      No DTCs are output

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    END (MULTI-DISPLAY ASSEMBLY IS DEFECTIVE)