TELEMATICS SYSTEM(for G-BOOK), Diagnostic DTC:B15DE

DTC Code DTC Name
B15DE Telematics Transceiver Location Data Blackout

DESCRIPTION

The telephone transceiver assembly checks the reception condition of the location data every minute after the power switch is turned on (ACC). If the location data is not received from the radio receiver assembly for 5 minutes, this DTC will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15DE Telematics Transceiver Location Data Blackout Location information from USB communication is interrupted

  • Harness or connector

  • Telephone transceiver assembly

  • Navigation ECU

  • Radio receiver assembly

WIRING DIAGRAM

B004BX1E07
*a Navigation ECU
*b Telephone Transceiver Assembly
*c Radio Receiver Assembly
*d USB 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 G-BOOK.

    Click here

  • When replacing the telephone transceiver assembly, make sure to replace it with a new one.

  • When replacing the radio receiver assembly or navigation ECU, always replace it with a new one.

    If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio receiver assembly or navigation ECU may not operate normally.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      No DTCs are output. A
      B15DB and B15DE are output. B
      Only B15DE is output. C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO DTC B15DB Click here

    C

  2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - TELEPHONE TRANSCEIVER ASSEMBLY)


    1. Disconnect the P45 radio receiver assembly connector.

    2. Disconnect the P136 telephone transceiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P45-10 (USBV) - P136-3 (USBV) Always Below 1 Ω
      P45-11 (USBG) - P136-1 (USBG) Always Below 1 Ω
      P45-10 (USBV) - Body ground Always 10 kΩ or higher
      P45-11 (USBG) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK RADIO RECEIVER ASSEMBLY (USBV, USBG)


    1. Disconnect the telephone transceiver assembly connector.

    2. B004AZ9C01
      *a

      Front view of wire harness connector

      (to Telephone Transceiver Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P136-1 (USBG) - 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
      P136-3 (USBV) - P136-1 (USBG) Power switch on (ACC) 4.75 to 5.25 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (TELEPHONE TRANSCEIVER ASSEMBLY - NAVIGATION ECU)


    1. B0049WZC06
      *a

      Front view of wire harness connector

      (to Telephone Transceiver Assembly)
      *b

      Front view of wire harness connector

      (to Navigation ECU)

      Disconnect the P136 telephone transceiver assembly connector.

    2. Disconnect the P137 navigation ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P136-4 (USB-) - P137-2 (USB-) Always Below 1 Ω
      P136-5 (USB+) - P137-1 (USB+) Always Below 1 Ω
      P136-6 (USBS) - P137-3 (USBS) Always Below 1 Ω
      P136-4 (USB-) - Body ground Always 10 kΩ or higher
      P136-5 (USB+) - Body ground Always 10 kΩ or higher
      P136-6 (USBS) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. CHECK TELEPHONE TRANSCEIVER ASSEMBLY


    1. Replace the telephone transceiver assembly with a new one.

      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.

      Click here


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

    OK

    END (TELEPHONE TRANSCEIVER ASSEMBLY IS DEFECTIVE)

    NG

  6. CHECK NAVIGATION ECU


    1. Replace the navigation ECU with a new one.

      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.

      Click here


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

    OK

    END (NAVIGATION ECU IS DEFECTIVE)

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here