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NAVIGATION SYSTEM (for Navigation Receiver Type), Diagnostic DTC:B15D5

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DTC Code DTC Name
B15D5 Rear Seat Entertainment System Disconnected
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DESCRIPTION

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

When an AVC-LAN communication error occurs between the navigation receiver assembly and television display assembly, these DTCs will be stored.

DTC Code DTC Detection Condition Trouble Area
B15D5

When either condition below is met:


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

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

  • AVC-LAN communication line

  • Television display assembly

  • Navigation receiver assembly

  • Harness or connector
Tip:

  • Even if no fault is present, this DTC may be stored depending on the battery condition or engine start voltage.

  • The navigation receiver assembly is the master unit.

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WIRING DIAGRAM

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INSPECTION PROCEDURE

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tip:

When replacing the navigation receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).

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PROCEDURE


  1. Click here

    CHECK FOR DTC


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      No DTCs are output.

  2. Click here

    CHECK CONNECTOR CONNECTION CONDITION


    1. Check that the television display assembly and navigation receiver assembly connectors are connected properly.

      OK
      The connectors are connected properly.

  3. Click here

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


    1. A01DUDME72

      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
      W14-17 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      W14-1 (+B) - W14-17 (GND) Always 11 to 14 V
      W14-2 (ACC) - W14-17 (GND) Engine switch off Below 1 V
      W14-2 (ACC) - W14-17 (GND) Engine switch on (ACC) 11 to 14 V
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Television Display Assembly)

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    CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)


    1. Disconnect the W14 television display assembly connector.

    2. Disconnect the H57 navigation receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W14-3 (TX1+) - H57-9 (TX+) Always Below 1 Ω
      W14-4 (TX1-) -H57-10 (TX-) Always Below 1 Ω
      W14-3 (TX1+) - Body ground Always 10 kΩ or higher
      W14-4 (TX1-) - Body ground Always 10 kΩ or higher

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    CHECK TELEVISION DISPLAY ASSEMBLY


    1. Replace the television display assembly with a known good one (Click here).

    2. Clear the DTCs (Click here).

    3. Check for DTCs (Click here).

      OK
      No DTCs are output.

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    END (TELEVISION DISPLAY ASSEMBLY IS DEFECTIVE)

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    USE SIMULATION METHOD TO CHECKClick here

  8. Click here

    CONNECT CONNECTOR CORRECTLY

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. Click here

    REPLACE NAVIGATION RECEIVER ASSEMBLYClick here