G-BOOK SYSTEM, Diagnostic DTC:B15CB

DTC Code DTC Name
B15CB Telematics Transceiver Antenna Disconnected

DESCRIPTION

If an open 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), this DTC will be stored.

DTC No. DTC Detection Condition Trouble Area
B15CB DCM antenna 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

  • Navigation computer sub-assembly

  • Wire harness or connector

INSPECTION PROCEDURE

Tech Tips

When replacing the navigation computer sub-assembly or telematics transceiver, perform the vehicle contract setting 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

    INSPECT ROOF ANTENNA ASSEMBLY Click here

    OK

    END

  3. INSPECT ROOF ANTENNA ASSEMBLY


    1. Check the installation condition.


      1. Check the roof antenna assembly for any installation problems.

        OK
        The roof antenna assembly is installed correctly.
    2. A003VSEE02
      Text in Illustration
      *a

      Component without harness connected

      (Roof Antenna Assembly)

      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

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

  4. INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. A003WPJE04
      Text in Illustration
      *a

      Front view of No. 3 antenna cord sub-assembly connector

      (to Roof Antenna Assembly)
      *b

      Front view of No. 3 antenna cord sub-assembly connector

      (to No. 2 Antenna Cord Sub-assembly)

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

    2. Disconnect the No. 3 antenna cord sub-assembly connector from the vehicle side wire harness.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 3 Always Below 1 Ω
      2a - 3a Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher
      2a - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  5. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. A003X3OE04
      Text in Illustration
      *a

      Front view of No. 2 antenna cord sub-assembly connector

      (to No. 3 Antenna Cord Sub-assembly)
      *b

      Front view of No. 2 antenna cord sub-assembly connector

      (to Vehicle Side Wire Harness)

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

    2. Disconnect the No. 2 antenna cord sub-assembly connector from the vehicle side wire harness.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 3 Always Below 1 Ω
      3a - 3a Always Below 1 Ω
      3 - Body ground Always 10 kΩ or higher
      3a - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

    OK

  6. CHECK HARNESS AND CONNECTOR


    1. A003VO0E01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to Telematics Transceiver)

      Disconnect the vehicle side wire harness connector from the No. 2 antenna cord sub-assembly.

    2. Disconnect the vehicle side wire harness connector from the telematics transceiver.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 1 Always Below 1 Ω
      3a - 1a Always Below 1 Ω
      3 - Body ground Always 10 kΩ or higher
      3a - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. RECHECK DTC


    1. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

    OK

    END

  8. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a known good one and check if the same problem occurs again Click here.


    NEXT

  9. RECHECK DTC


    1. Recheck for DTCs and check if the same DTC is output again Click here.

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION COMPUTER SUB-ASSEMBLY Click here

    OK

    END