NAVIGATION SYSTEM(for Radio and Display Type), Diagnostic DTC:B15D5

DTC Code DTC Name
B15D5 Rear Seat Entertainment System Disconnected

DESCRIPTION

The radio and display receiver assembly and television display assembly are connected by the AVC-LAN communication line.

When an AVC-LAN communication error occurs between the radio and display receiver assembly and television display assembly, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15D5 Rear Seat Entertainment System Disconnected

When either condition below is met:


  • Television display assembly is/was not connected while the engine switch is/was on (IG or ACC).

  • Communication between the master unit and the television display assembly is/was not possible when the engine is/was started.

  • Television display assembly power source circuit

  • AVC-LAN circuit between radio and display receiver assembly and television display assembly

  • Television display assembly

  • Radio and display receiver 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 radio and display receiver assembly is the master unit.

DTC Detection Conditions: w/o Panoramic View Monitor System
Vehicle Condition
Pattern 1 Pattern 2
Diagnosis Condition The engine switch is/was on (IG or ACC) ○ -
The engine is/was started - ○
Malfunction Status Television display assembly is/was not connected ○ -
Communication between the master unit and the television display assembly is/was not possible - ○
Detection Time - -
Number of Trips 1 trip 1 trip

Tech Tips

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

B006L21E02
*a from Engine Stop and Start ECU
*b Radio and Display Receiver Assembly
*c Television Display Assembly
*d AVC-LAN Communication Line

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

Click here

PROCEDURE


  1. CHECK DTC


    1. If DTC B15C3 is output, perform troubleshooting for DTC B15C3 first.

      Result
      Result Proceed to
      DTC B15C3 is not output. A
      DTC B15C3 is output. B

    B

    GO TO DTC B15C3 Click here

    A

  2. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Check that optional components (including associated wiring) which generate radio waves are not installed.

      Result
      Result Proceed to
      Optional components (including associated wiring) are installed. A
      Optional components (including associated wiring) are not installed. B

      Tech Tips


      • Electrical noise from radio waves generated by optional components or the wiring for those components may affect AVC-LAN communication.

      • This DTC may be stored when an AVC-LAN communication error occurs due to electrical noise.


    B

    GO TO STEP 4 Click here

    A

  3. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)


    1. Remove optional components (including associated wiring).

      Note

      Do not remove optional components or associated wiring without the permission of the customer.

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

  5. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY POWER SOURCE)


    1. B006OFVC01
      *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
      Tester Connection Condition Specified Condition
      S36-17 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      S36-1 (+B) - S36-17 (GND) Always 11 to 14 V
      S36-2 (ACC) - S36-17 (GND) Engine switch on (ACC) 11 to 14 V
      Result
      Result Proceed to
      OK A
      NG (except +B and ACC circuit) B
      NG (for +B and ACC circuit) C

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here

    A

  6. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)


    1. Disconnect the S36 television display assembly connector.

    2. Disconnect the F41 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S36-3 (TX1+) - F41-9 (TX+) Always Below 1 Ω
      S36-4 (TX1-) - F41-10 (TX-) Always Below 1 Ω
      S36-3 (TX1+) or F41-9 (TX+) - Body ground Always 10 kΩ or higher
      S36-4 (TX1-) or F41-10 (TX-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. REPLACE TELEVISION DISPLAY ASSEMBLY


    1. Replace the television display assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here