NAVIGATION SYSTEM, Diagnostic DTC:B15C0, B15C1

DTC Code DTC Name
B15C0 GPS Antenna Connection Malfunction(short)
B15C1 GPS Antenna Connection Malfunction(break)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation antenna assembly*2 or antenna divider*1.

DTC No. Detection Item DTC Detection Condition Trouble Area
B15C0 GPS Antenna Connection Malfunction(short)

  • Antenna divider malfunction*1

  • Navigation antenna malfunction*2

  • Antenna divider*1

  • Antenna cord sub-assembly (for antenna divider)*1

  • Navigation antenna assembly*2

  • Antenna cord sub-assembly (for navigation antenna)*2

  • Navigation ECU
B15C1 GPS Antenna Connection Malfunction(break)

  • Antenna divider power source malfunction*1

  • Navigation antenna power source malfunction*2

  • Antenna divider*1

  • Antenna cord sub-assembly (for antenna divider)*1

  • Navigation antenna assembly*2

  • Antenna cord sub-assembly (for navigation antenna)*2

  • Navigation ECU

WIRING DIAGRAM

Figure 1. w/ Telematics Transceiver

B0088SUE01

Figure 2. w/o Telematics Transceiver

B0088PQE03

CAUTION / NOTICE / HINT

Note


  • When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The navigation ECU may not operate normally.

  • Check that the antenna cord sub-assembly (for navigation antenna)*1 or antenna cord sub-assembly (for antenna divider)*2 is properly installed and does not have any sharp bends, pinching or loose connections before performing following procedure.

    Click here

    *1: w/o Telematics Transceiver

    *2: w/ Telematics Transceiver

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

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


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Result Proceed to
      OK A
      NG (w/o Telematics Transceiver) B
      NG (w/ Telematics Transceiver) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    INSPECT ANTENNA DIVIDER Click here

    B

  2. INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna)


    1. Remove the antenna cord sub-assembly (for navigation antenna).

      Click here

    2. B0086KTC03
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Navigation Antenna))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-3 - B-1 Always Below 1 Ω
      A-3a - B-1a Always Below 1 Ω
      A-3 or B-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna) Click here

    OK

  3. INSPECT NAVIGATION ANTENNA ASSEMBLY


    1. Remove the navigation antenna assembly.

      Click here

    2. B008953C05
      *a

      Component without harness connected

      (Navigation Antenna Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 3a Always 50 to 500 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NAVIGATION ECU Click here

    NG

    REPLACE NAVIGATION ANTENNA ASSEMBLY Click here

  4. INSPECT ANTENNA DIVIDER


    1. Remove the antenna divider.

      Click here

    2. B0087H7C22
      *a

      Component without harness connected

      (Antenna Divider)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 6 Always 10 kΩ or higher
      2 - 2a Always 243 to 267 Ω
      6 - 6a Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ANTENNA DIVIDER Click here

    OK

  5. INSPECT ANTENNA CORD SUB-ASSEMBLY (for Antenna Divider)


    1. Remove the antenna cord sub-assembly (for antenna divider).

      Click here

    2. B0087UWC07
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Antenna Divider))
      B00849CC42
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Antenna Divider))

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

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

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY (for Antenna Divider) Click here

    OK

  6. REPLACE ANTENNA DIVIDER


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

      Click here

    2. Clear the DTCs.


      Body Electrical > Navigation System > Clear DTCs

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


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

    OK

    END

    NG

    REPLACE NAVIGATION ECU Click here