TELEMATICS SYSTEM(for G-BOOK), Diagnostic DTC:B15CB

DTC Code DTC Name
B15CB Telematics Transceiver Antenna Disconnected

DESCRIPTION

If an open or short circuit in the roof antenna assembly is detected continuously for 1 minute as a result of a terminal check performed by the telematics transceiver every minute after the power switch is turned on (ACC), these DTCs will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15CB Telematics Transceiver Antenna Disconnected The roof antenna assembly is not connected or has an open circuit

  • Roof antenna assembly

  • Antenna cord sub-assembly (floor)

  • Telematics transceiver

  • Navigation ECU

  • Radio receiver assembly

  • Harness or connector

WIRING DIAGRAM

B004WPEE02

CAUTION / NOTICE / HINT

Note


  • Check for DTC B15DB. When DTC B15DB is output, perform troubleshooting for it first.

    Click here

  • 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 telematics transceiver, 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
      B15CB is not output. A
      B15CB is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. INSPECT ROOF ANTENNA ASSEMBLY


    1. B004U8CC05
      *a Roof Antenna Assembly

      Remove the roof antenna assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 2a Always 4 to 11 kΩ
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

  3. INSPECT ANTENNA CORD SUB-ASSEMBLY (FLOOR)


    1. B004SZFC01
      *a

      Front view of wire harness connector

      (to Roof Antenna Assembly)
      *b

      Front view of wire harness connector

      (to Wire Harness)

      Disconnect the antenna connector from the roof antenna assembly connector.

    2. Disconnect the antenna connector from the wire harness.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-2 - G153-1 Always Below 1 Ω
      B-2a - G153-1a Always Below 1 Ω
      B-2 - Body ground Always 10 kΩ or higher
      B-2a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY (FLOOR) Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (ANTENNA CORD SUB-ASSEMBLY - TELEMATICS TRANSCEIVER)


    1. B004VZCC03
      *a

      Front view of wire harness connector

      (to Antenna Cord Sub-assembly [Floor])
      *b

      Front view of wire harness connector

      (to Telematics Transceiver)

      Disconnect the antenna cord sub-assembly (floor) connector.

    2. Disconnect the telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G153-1 (ANT1) - C-1 (ANT1) Always Below 1 Ω
      G153-1a - C-1a Always Below 1 Ω
      G153-1 (ANT1) - Body ground Always 10 kΩ or higher
      G153-1a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. 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
      B15CB is not output. A
      B15CB is output. B

    A

    END (TELEMATICS TRANSCEIVER IS DEFECTIVE)

    B

  7. REPLACE NAVIGATION ECU


    1. Replace the navigation ECU with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  8. 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
      B15CB is not output. A
      B15CB is output. B

    A

    END (NAVIGATION ECU IS DEFECTIVE)

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here