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 error

  • Navigation antenna assembly (Except models with the vehicle identification number on the certification label ending with the character X.)

  • Satellite radio antenna assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • No. 3 antenna cord sub-assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • No. 2 antenna cord sub-assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • Antenna cord sub-assembly

  • Navigation ECU
B15C1 GPS Antenna Connection Malfunction(break) Error of the power source to the navigation antenna

  • Navigation antenna assembly (Except models with the vehicle identification number on the certification label ending with the character X.)

  • Satellite radio antenna assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • No. 3 antenna cord sub-assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • No. 2 antenna cord sub-assembly (Only for models with the vehicle identification number on the certification label ending with the character X.)

  • Antenna cord sub-assembly

  • Navigation ECU

WIRING DIAGRAM

A01QPT1E01
Except models with the vehicle identification number on the certification label ending with the character X
*a Navigation Antenna Assembly
*b Antenna Cord Sub-assembly
*c Navigation ECU
A01QPPXE03

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

Click here

PROCEDURE


  1. CHECK VEHICLE CONDITION


    1. Check the vehicle condition.

      Result
      Result Proceed to
      Except models with the vehicle identification number on the certification label ending with the character X A
      Only for models with the vehicle identification number on the certification label ending with the character X B

    B

    CHECK CONNECTION OF ANTENNA CORD SUB-ASSEMBLY Click here

    A

  2. CHECK CONNECTION OF NAVIGATION ANTENNA ASSEMBLY


    1. Check if the navigation antenna assembly is securely connected to the antenna cord sub-assembly.

      OK
      Navigation antenna assembly is securely connected.
      Result
      Proceed to
      OK
      NG

    NG

    SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY

    OK

  3. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. A01QUDXC03
      *a

      Front view of wire harness connector

      (to Navigation Antenna Assembly)
      *b

      Front view of wire harness connector

      (to Navigation ECU)

      Disconnect the antenna connector from the navigation ECU.

    2. Disconnect the antenna connector from the navigation antenna assembly.

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

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

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  4. CHECK NAVIGATION ANTENNA ASSEMBLY


    1. Replace the navigation antenna assembly with a known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs.

      Click here


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

    OK

    END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE NAVIGATION ECU Click here

  5. CHECK CONNECTION OF ANTENNA CORD SUB-ASSEMBLY


    1. Check if the antenna cord sub-assembly is securely connected to the navigation ECU.

      OK
      Antenna cord sub-assembly is securely connected.
      Result
      Proceed to
      OK
      NG

    NG

    SECURELY CONNECT ANTENNA CORD SUB-ASSEMBLY

    OK

  6. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. A01QPI8C03
      *a

      Front view of wire harness connector

      (to Satellite Radio Antenna Assembly)
      *b

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)

      Disconnect the antenna connector from the satellite radio 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
      5 - 2 Always Below 1 Ω
      5-a - 2-a Always Below 1 Ω
      5 - Body ground Always 10 kΩ or higher
      5-a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 3 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  7. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. A01QPSWC01
      *a

      Front view of wire harness connector

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

      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
      2 - 1 Always Below 1 Ω
      2-a - 1-a Always Below 1 Ω
      2 - Body ground Always 10 kΩ or higher
      2-a - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  8. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. A01QU66C01
      *a

      Front view of wire harness connector

      (to No. 2 Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to Navigation ECU)

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

    2. Disconnect the antenna connector from the navigation ECU.

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

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

    NG

    REPLACE ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  9. CHECK SATELLITE RADIO ANTENNA ASSEMBLY


    1. Replace the satellite radio antenna assembly with a known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs.

      Click here


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

    OK

    END (SATELLITE RADIO ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE NAVIGATION ECU Click here