G-BOOK SYSTEM, Diagnostic DTC:B15CB

DTC Code DTC Name
B15CB Telematics Transceiver Antenna Disconnected

DESCRIPTION

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

  • Telephone antenna assembly

  • Harness or connector

  • No. 2 Antenna cord sub-assembly

  • Telematics transceiver

  • Multi-media module receiver assembly

WIRING DIAGRAM

A01GY6JE19

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 TELEPHONE ANTENNA ASSEMBLY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  3. INSPECT TELEPHONE ANTENNA ASSEMBLY


    1. Check the installation condition.


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

        OK
        The telephone antenna assembly is installed correctly.

    2. Disconnect the telephone antenna connector.

    3. A01GZNNE03
      Text in Illustration
      *a

      Component without harness connected

      (Telephone Antenna Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      4 - 1a Always 4 to 11 kΩ

    NG

    REPLACE TELEPHONE ANTENNA ASSEMBLY Click here

    OK

  4. INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. A01GWQ6E01
      Text in Illustration
      *a No. 3 Antenna Cord Sub-assembly

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

    2. Disconnect the No. 3 antenna cord sub-assembly 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-1 Always Below 1 Ω
      A-4a - B-1a Always Below 1 Ω
      A-4 - Body ground Always 10 kΩ or higher
      A-4a - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY

    OK

  5. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. A01GXAIE01
      Text in Illustration
      *a No. 2 Antenna Cord Sub-assembly

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

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      C-1 - D-1 (ANT1) Always Below 1 Ω
      C-1a - D-1a Always Below 1 Ω
      C-1 - Body ground Always 10 kΩ or higher
      C-1a - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY

    OK

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


    1. Disconnect the L148 No. 2 antenna cord sub-assembly connector.

    2. Disconnect the L149 telematics transceiver connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L148-1 (ANT1) - L149-1 (ANT1) Always Below 1 Ω
      L148-1 (ANT1) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. REPLACE TELEMATICS TRANSCEIVER


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


    NEXT

  8. 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)