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NAVIGATION SYSTEM, Diagnostic DTC:B15C0, B15C1

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DTC Code DTC Name
B15C0 Short in GPS Antenna
B15C1 Open in GPS Antenna
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DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B15C0 Navigation antenna error

  • Navigation antenna assembly

  • No. 1 navigation antenna cord sub-assembly

  • Navigation ECU
B15C1 Error of the power source to the navigation antenna
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WIRING DIAGRAM

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INSPECTION PROCEDURE

Note:

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

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PROCEDURE


  1. Click here

    CHECK CONNECTION OF NAVIGATION ANTENNA ASSEMBLY


    1. Check if the navigation antenna assembly is securely connected to the No. 1 navigation antenna cord sub-assembly.

      OK
      Navigation antenna assembly is securely connected.

  2. Click here

    CHECK NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLY


    1. A01IU0ME01

      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-b Always Below 1 Ω
      1 - Body ground Always 10 kΩ or higher
      1-a - Body ground Always 10 kΩ or higher
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Navigation Antenna Assembly)
      *b

      Front view of wire harness connector

      (to Navigation ECU)

  3. Click here

    CHECK NAVIGATION ANTENNA ASSEMBLY


    1. Replace the navigation antenna assembly with a known good one (Click here).

    2. Check for DTCs (Click here).

      OK
      No DTCs are output.

  4. Click here

    END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

  5. Click here

    SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY

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    REPLACE NAVIGATION ECUClick here

  7. Click here

    REPLACE NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLYClick here