NAVIGATION SYSTEM(for Radio and Display Type), 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.

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

  • Navigation antenna assembly

  • Antenna cord sub-assembly (for navigation antenna (upper side))*1

  • Antenna cord sub-assembly (for navigation antenna (lower side))*1

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

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

  • Radio and display receiver assembly
B15C1 GPS Antenna Connection Malfunction(break) Navigation antenna power source malfunction

  • Navigation antenna assembly

  • Antenna cord sub-assembly (for navigation antenna (upper side))*1

  • Antenna cord sub-assembly (for navigation antenna (lower side))*1

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

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

  • Radio and display receiver assembly

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      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 (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

    INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna (Lower Side)) Click here

    B

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


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

      Click here

    2. A003NTBC13
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Radio Antenna))
      A003OQ7C10
      *a

      Component without harness connected

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A1-1 - B1-1 Always Below 1 Ω
      A1-1 or B1-1- Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

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


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

      Click here

    2. A003M9GC02
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Navigation Antenna))
      A003L5HC10
      *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
      C1-3 - D1-1 Always Below 1 Ω
      C1-3a - D1-1a Always Below 1 Ω
      C1-3 or D1-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  4. INSPECT NAVIGATION ANTENNA ASSEMBLY


    1. Remove the navigation antenna assembly.

      Click here

    2. A003N8NC05
      *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 RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPLACE NAVIGATION ANTENNA ASSEMBLY Click here

  5. INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna (Lower Side))


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

      Click here

    2. A003NTBC14
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Navigation Antenna (Lower Side)))
      A003OQ7C13
      *a

      Component without harness connected

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

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

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

    NG

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

    OK

  6. INSPECT ANTENNA CORD SUB-ASSEMBLY (for Navigation Antenna (Upper Side))


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

      Click here

    2. A003M9GC02
      *a

      Component without harness connected

      (Antenna Cord Sub-assembly (for Navigation Antenna (Upper Side)))
      A003L5HC10
      *a

      Component without harness connected

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

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      C1-3 - D1-1 Always Below 1 Ω
      C1-3a - D1-1a Always Below 1 Ω
      C1-3 or D1-1 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

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

    OK

  7. INSPECT NAVIGATION ANTENNA ASSEMBLY


    1. Remove the navigation antenna assembly.

      Click here

    2. A003N8NC05
      *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 RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    REPLACE NAVIGATION ANTENNA ASSEMBLY Click here