G-BOOK SYSTEM(w/ Telematics Transceiver), 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 engine 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 telephone antenna assembly is not connected or has an open circuit

  • Roof antenna assembly

  • No. 2 antenna cord sub-assembly

  • No. 3 antenna cord sub-assembly

  • Telematics transceiver

  • Radio receiver assembly

  • Wire harness or connector

WIRING DIAGRAM

B003WF7E03

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

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.


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      No DTCs are output. A
      DTCs are output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. INSPECT ROOF ANTENNA ASSEMBLY


    1. B003VG7C02
      *a

      Component without harness connected

      (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
      4 - 4a Always 4 to 11 kΩ
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

  3. INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. B003SVGC01
      *a

      Component without harness connected

      (No. 3 Antenna Cord Sub-assembly)

      Disconnect the A roof antenna assembly connector from the No. 3 antenna cord sub-assembly.

    2. Disconnect the B No. 3 antenna cord sub-assembly connector from the No. 2 antenna cord sub-assembly.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-4 - B-3 Always Below 1 Ω
      A-4 - Body ground Always 10 kΩ or higher
      B-3 - Body ground Always 10 kΩ or higher
      A-4a - B-3a Always Below 1 Ω
      A-4a - Body ground Always 10 kΩ or higher
      B-3a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  4. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B003VMDC03
      *a

      Component without harness connected

      (No. 2 Antenna Cord Sub-assembly)

      Disconnect the B No. 2 antenna cord sub-assembly connector from the No. 3 antenna cord sub-assembly.

    2. Disconnect the K128 No. 2 antenna cord sub-assembly connector from the instrument panel wire.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-3 - K128-3 Always Below 1 Ω
      B-3 - Body ground Always 10 kΩ or higher
      K128-3 - Body ground Always 10 kΩ or higher
      B-3a - K128-3a Always Below 1 Ω
      B-3a - Body ground Always 10 kΩ or higher
      K128-3a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (NO. 2 ANTENNA CORD SUB-ASSEMBLY - TELEMATICS TRANSCEIVER)


    1. Disconnect the K128 No. 2 antenna cord sub-assembly connector from the instrument panel wire.

    2. Disconnect the K127 telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K128-3 - K127-1 (ANT1) Always Below 1 Ω
      K128-3 - Body ground Always 10 kΩ or higher
      K127-1 (ANT1) - Body ground Always 10 kΩ or higher
      K128-3a - K127-1a Always Below 1 Ω
      K128-3a - Body ground Always 10 kΩ or higher
      K127-1a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. 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.


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      No DTCs are output. A
      DTCs are output. B

    A

    END

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here