G-BOOK SYSTEM (w/ Telematics Transceiver), 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 engine switch is turned on (ACC), this DTC will be stored.

DTC Code DTC Detection Condition Trouble Area
B15CB DCM antenna is not connected or has an open circuit.

  • Roof antenna assembly

  • Harness or connector

  • No. 2 Antenna cord sub-assembly

  • Telematics transceiver

  • Multi-media module receiver assembly

INSPECTION PROCEDURE

Tech Tips

When replacing the multi-media module receiver assembly or the telematics transceiver, perform the vehicle contract setting Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTC Click here.


    NEXT

  2. CHECK DTC


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

      OK
      No DTC is output.

    NG

    INSPECT ROOF ANTENNA ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  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. Disconnect the roof antenna connector.

    3. A01FI8QE02
      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
      3 (TEL1) - Shield3 Always 4 to 11 kΩ

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

  4. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. A01FF48E03
      Text in Illustration
      *a

      Front view of antenna cord sub-assembly connector

      (to Roof Antenna Assembly)
      *b

      Front view of antenna cord sub-assembly connector

      (to Wire Harness)

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

    2. Disconnect the N141 No. 2 antenna cord sub-assembly 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
      A-3 (TEL1) - N141-3 (TEL1) Always Below 1 Ω
      A-3a - N141-3a Always Below 1 Ω
      A-3 (TEL1) - Body ground Always 10 kΩ or higher
      A-3a - Body ground Always 10 kΩ or higher

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

    OK

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


    1. Disconnect the N141 No. 2 antenna cord sub-assembly connector.

    2. Disconnect the N153 telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N141-3 (TEL1) - N153-1 (TEL2) Always Below 1 Ω
      N141-3 (TEL1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a known good one Click here.


    NEXT

  7. CHECK DTC


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

      OK
      No DTC is output.

    NG

    REPLACE MULTI-MEDIA MODULE RECEIVER ASSEMBLY Click here

    OK

    END (TELEMATICS TRANSCEIVER IS DEFECTIVE)