NAVIGATION SYSTEM, Diagnostic DTC:B15D6

DTC Code DTC Name
B15D6 Display Disconnected

DESCRIPTION

The accessory meter 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 accessory meter 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.

  • Accessory meter assembly power source circuit

  • AVC-LAN circuit

  • Accessory meter assembly

  • Multi-media module receiver assembly

Tech Tips


  • *: Even if no fault is present, this DTC may be stored depending on the auxiliary battery condition or hybrid control system start voltage.

  • The multi-media module receiver assembly is the master unit.

WIRING DIAGRAM

A01GWYHE03

INSPECTION PROCEDURE

Note


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

  • 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. 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 (ACCESSORY METER ASSEMBLY - BATTERY AND BODY GROUND) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  3. CHECK HARNESS AND CONNECTOR (ACCESSORY METER ASSEMBLY - BATTERY AND BODY GROUND)


    1. A01H1FJE55
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Accessory Meter Assembly)

      Disconnect the accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L163-13 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L163-12 (+B2) - L163-13 (GND1) Power switch off 11 to 14 V
      L163-23 (IG) - L163-13 (GND1) Power switch on (IG) 11 to 14 V
      L163-24 (ACC) - L163-13 (GND1) Power switch on (ACC) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. A01GYZOE03

      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 - ACCESSORY METER ASSEMBLY)


    1. Disconnect the L164 multi-media module receiver assembly connector.

    2. Disconnect the L163 accessory meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L164-45 (TX3+) - L163-7 (TX+) Always Below 1 Ω
      L164-46 (TX3-) - L163-19 (TX-) Always Below 1 Ω
      L164-45 (TX3+) - Body ground Always 10 kΩ or higher
      L164-46 (TX3-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE ACCESSORY METER ASSEMBLY


    1. Replace the accessory meter 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 (ACCESSORY METER ASSEMBLY IS DEFECTIVE)