TELEMATICS SYSTEM, 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 GPS antenna.

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

Current to the roof antenna assembly is lower than the malfunction threshold for 20 seconds when the engine switch is on (IG).

(Short circuit)

  • Telematics transceiver

  • Antenna divider

  • Roof antenna assembly

  • No. 2 antenna cord sub-assembly

  • No. 3 antenna cord sub-assembly

  • Harness or connector
B15C1 Open in GPS Antenna

Current for roof antenna assembly is higher than the malfunction threshold for 20 seconds when the engine switch is on (IG).

(Open circuit)

  • Telematics transceiver

  • Antenna divider

  • Roof antenna assembly

  • No. 2 antenna cord sub-assembly

  • No. 3 antenna cord sub-assembly

  • Harness or connector

WIRING DIAGRAM

B002DIOE01

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 FOR DTC


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG) 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. B002DHEC01
      *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.

    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-2 - B-2 Always Below 1 Ω
      A-2 or B-2 - Body ground Always 10 kΩ or higher
      A-2a - B-2a Always Below 1 Ω
      A-2a or B-2a - 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. B002CVPC01
      *a

      Front view of wire harness connector

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

      Front view of wire harness connector

      (to Instrument Panel Wire)

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

    2. Disconnect the antenna connector from the instrument panel wire.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      B-2 - K125-2 (GPS1) Always Below 1 Ω
      B-2 or K125-2 (GPS1) - Body ground Always 10 kΩ or higher
      B-2a - K125-2a Always Below 1 Ω
      B-2a or K125-2a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (NO. 2 ANTENNA CORD SUB-ASSEMBLY - ANTENNA DIVIDER)


    1. B002D7JC01
      *a

      Front view of wire harness connector

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

      Front view of wire harness connector

      (to Antenna Divider)

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

    2. Disconnect the antenna connector from the antenna divider.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K125-2 (GPS1) - K121-6 (GPS2) Always Below 1 Ω
      K125-2 (GPS1) or K121-6 (GPS2) - Body ground Always 10 kΩ or higher
      K125-2a - K121-6a Always Below 1 Ω
      K125-2a or K121-6a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT ANTENNA DIVIDER


    1. B002C9EC13
      *a

      Component without harness connected

      (Antenna Divider)

      Remove the antenna divider.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 6 (GPS2) Always 10 kΩ or higher
      5 (GPSD2) - 6 (GPS2) Always Below 1 Ω
      5 (GPSD2) - 5a Always 10 kΩ or higher
      6 (GPS2) - 6a Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ANTENNA DIVIDER Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (ANTENNA DIVIDER - TELEMATICS TRANSCEIVER)


    1. B002F15C02
      *a

      Front view of wire harness connector

      (to Antenna Divider)
      *b

      Front view of wire harness connector

      (to Telematics Transceiver)

      Disconnect the antenna connector from the antenna divider.

    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
      K121-5 (GPSD2)- K122-1 (GPSD1) Always Below 1 Ω
      K121-5 (GPSD2) or K122-1 (GPSD1) - Body ground Always 10 kΩ or higher
      K121-5a - K122-1a Always Below 1 Ω
      K121-5a or K122-1a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK ROOF ANTENNA ASSEMBLY


    1. Replace the roof antenna assembly with a new or known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Telematics > Clear DTCs

    3. Check 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 (ROOF ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

  8. REPLACE TELEMATICS TRANSCEIVER


    1. Replace the telematics transceiver with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    PERFORM REGISTRATION Click here