TELEMATICS SYSTEM, Diagnostic DTC:B15C0 and B15C1

DTC Code DTC Name
B15C0 GPS Antenna Disconnected (Short)
B15C1 GPS Antenna Disconnected (Open)

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15C0

GPS Antenna Disconnected (Short)

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

  • Telephone antenna assembly

  • Instrument panel wire

  • Antenna cord sub-assembly

  • No. 1 amplifier antenna assembly

  • Telephone antenna cord sub-assembly

B15C1

GPS Antenna Disconnected (Open)

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

(Open circuit)

  • Telematics transceiver

  • Telephone antenna assembly

  • Instrument panel wire

  • Antenna cord sub-assembly

  • No. 1 amplifier antenna assembly

  • Telephone antenna cord sub-assembly

WIRING DIAGRAM

E342823E03

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 hereClick hereClick here

    NG

  2. INSPECT TELEPHONE ANTENNA CORD SUB-ASSEMBLY

    1. Remove the telephone antenna cord sub-assembly.

      Click here

    2. E271898C13

      *a

      Component without harness connected

      (Telephone Antenna Cord Sub-assembly)
      E215858C09

      *a

      Component without harness connected

      (Telephone Antenna Cord Sub-assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E-3 - F-2

      Always

      Below 1 Ω

      E-3a - F-2a

      Always

      Below 1 Ω

      E-3 or F-2 - Body ground

      Always

      10 kΩ or higher

      E-3a or F-2a - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE TELEPHONE ANTENNA CORD SUB-ASSEMBLY

    Click here

    OK

  3. INSPECT NO. 1 AMPLIFIER ANTENNA ASSEMBLY

    1. Remove the No. 1 amplifier antenna assembly.

      Click here

    2. E215913C12

      *a

      Component without harness connected

      (No. 1 Amplifier Antenna Assembly)
      E342827C01

      *a

      Component without harness connected

      (No. 1 Amplifier Antenna Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      C-1 - D-3

      Always

      Below 1 Ω

      C-1a - D-3a

      Always

      Below 1 Ω

      C-1 or D-3 - Body ground

      Always

      10 kΩ or higher

      C-1a or D-3a - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY

    Click here

    OK

  4. INSPECT ANTENNA CORD SUB-ASSEMBLY

    1. Remove the antenna cord sub-assembly.

      Click here

    2. E215799C11

      *a

      Component without harness connected

      (Antenna Cord Sub-assembly)
      E215858C10

      *a

      Component without harness connected

      (Antenna Cord Sub-assembly)

      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 or B-1 - Body ground

      Always

      10 kΩ or higher

      A-4a or B-1a - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY

    Click here

    OK

  5. INSPECT INSTRUMENT PANEL WIRE

    1. Disconnect the E145 and E144 instrument panel wire connectors.

    2. E342836C04

      *a

      Front view of instrument panel wire connector

      (to Antenna Cord Sub-assembly)
      E342835C02

      *a

      Front view of instrument panel wire connector

      (to Telematics Transceiver)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E145-1 (GPS) - E144-4 (GPS)

      Always

      Below 1 Ω

      E145-1a - E144-4a

      Always

      Below 1 Ω

      E145-1 (GPS) or E144-4 (GPS) - Body ground

      Always

      10 kΩ or higher

      E145-1a or E144-4a - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE INSTRUMENT PANEL WIRE

    OK

  6. REPLACE TELEPHONE ANTENNA ASSEMBLY

    1. Replace the telephone 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

    NG

  7. REPLACE TELEMATICS TRANSCEIVER

    1. Replace the telematics transceiver with a new one.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

    PERFORM REGISTRATION

    Click here