TELEMATICS SYSTEM(w/ Telematics Transceiver), Diagnostic DTC:B1573, B15CB

DTC Code DTC Name
B1573 Short in Telephone Antenna Circuit
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
B1573 Short in Telephone Antenna Circuit The roof antenna assembly is not connected or has a short circuit

  • Roof antenna assembly

  • No. 1 antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • No. 4 antenna cord sub-assembly

  • Telematics transceiver

  • Radio receiver assembly

  • Harness or connector
B15CB Telematics Transceiver Antenna Disconnected The roof antenna assembly is not connected or has an open circuit

  • Roof antenna assembly

  • No. 1 antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • No. 4 antenna cord sub-assembly

  • Telematics transceiver

  • Radio receiver assembly

  • Harness or connector

WIRING DIAGRAM

B002K83E01

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

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
      B1573 or B15CB is not output. A
      B1573 or B15CB is output. B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. INSPECT ROOF ANTENNA ASSEMBLY


    1. B002JPSC02
      *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
      4 - 4a Always 4 to 11 kΩ
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

  3. INSPECT NO. 4 ANTENNA CORD SUB-ASSEMBLY


    1. B002KJCC01
      *a

      Front view of wire harness connector

      (to Roof Antenna Assembly)
      *b

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the roof antenna assembly connector.

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

    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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 4 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  4. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B002JGUC01
      *a

      Front view of wire harness connector

      (to No. 4 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to No. 1 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 4 antenna cord sub-assembly connector.

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

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

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

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  5. INSPECT NO. 1 ANTENNA CORD SUB-ASSEMBLY


    1. B002KS5C01
      *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 antenna connector from the No. 2 antenna cord sub-assembly connector.

    2. Disconnect the antenna connector from the telematics transceiver connector.

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

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

    NG

    REPLACE NO. 1 ANTENNA CORD SUB-ASSEMBLY Click here

    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.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Result Proceed to
      B1573 or B15CB is not output. A
      B1573 or B15CB is output. B

    A

    END (TELEMATICS TRANSCEIVER IS DEFECTIVE)

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here