TELEMATICS SYSTEM(for ERA-GLONASS), Diagnostic DTC:B15C0, B15C1

DTC Code DTC Name
B15C0 Short in GPS Antenna
B15C1 Open in GPS Antenna

DESCRIPTION

These DTCs are stored when a malfunction occurs in the telephone antenna assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C0 Short in GPS Antenna

Current to the telephone antenna assembly is lower than the malfunction threshold for 20 seconds when the ignition switch is ON.

(Short circuit)

  • Telematics transceiver

  • No. 1 amplifier antenna assembly

  • No. 3 antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • Antenna cord sub-assembly
B15C1 Open in GPS Antenna

Current for telephone antenna assembly is higher than the malfunction threshold for 20 seconds when the ignition switch is ON.

(Open circuit)

  • Telematics transceiver

  • No. 1 amplifier antenna assembly

  • No. 3 antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • Antenna cord sub-assembly

WIRING DIAGRAM

B003KX2E05

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 Registration for Telematics System.

Click here

PROCEDURE


  1. CHECK DTC


    1. Turn the ignition switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the ignition switch to ON and wait for 20 seconds.

    4. Turn the GTS on.

    5. Check for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Telematics > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. B003LV1C01
      *a

      Front view of wire harness connector

      (to No. 1 Amplifier Antenna Assembly)
      *a

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the No. 1 amplifier antenna assembly.

    2. Disconnect the antenna 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-5 - B-1 Always Below 1 Ω
      A-5a - B-1a Always Below 1 Ω
      A-5 or B-1 - Body ground Always 10 kΩ or higher
      A-5a or B-1a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  3. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. B003R9AC02
      *a

      Front view of wire harness connector

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

      Front view of wire harness connector

      (to Antenna Cord Sub-assembly)

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

    2. Disconnect the antenna connector 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-5 Always Below 1 Ω
      C-1a - D-5a Always Below 1 Ω
      C-1 or D-5 - Body ground Always 10 kΩ or higher
      C-1a or D-5a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  4. INSPECT ANTENNA CORD SUB-ASSEMBLY


    1. B003S6XC03
      *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.

    2. Disconnect the antenna 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
      E-5 - F-1 (ANT2) Always Below 1 Ω
      E-5a - F-1a (ANT2G) Always Below 1 Ω
      E-5 or F-1 (ANT2) - Body ground Always 10 kΩ or higher
      E-5a or F-1a (ANT2G) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  5. CHECK NO. 1 AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the No. 1 amplifier antenna assembly with a new or known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Telematics > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.


      Body Electrical > Telematics > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (NO. 1 AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

  6. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM REGISTRATION Click here