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AUDIO AND VISUAL 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 No. Detection Item DTC Detection Condition Trouble Area
B15C0 Short in GPS Antenna Navigation antenna error

  • Navigation antenna assembly

  • Antenna cord sub-assembly (I/P)

  • Navigation ECU

  • Radio receiver assembly
B15C1 Open in GPS Antenna Error of the power source to the navigation antenna

  • Navigation antenna assembly

  • Antenna cord sub-assembly (I/P)

  • Navigation ECU

  • Radio receiver assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

When replacing the radio receiver assembly or navigation ECU, always replace it with a new one.

If a radio receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:


  • A communication malfunction DTC may be stored.

  • The radio receiver assembly or navigation ECU may not operate normally.

Tip:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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PROCEDURE


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    CHECK DTC


    1. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


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

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      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

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    INSPECT NAVIGATION ANTENNA ASSEMBLY


    1. Remove the navigation antenna assembly.

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    2. Inspect the navigation antenna assembly.

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      Result
      Proceed to
      OK
      NG

  3. Click here

    CHECK HARNESS AND CONNECTOR (ANTENNA CORD SUB-ASSEMBLY - NAVIGATION ECU)


    1. B004UBBC07
      *a

      Front view of wire harness connector

      (to Antenna Cord Sub-assembly)
      *b

      Front view of wire harness connector

      (to Navigation ECU)

      Disconnect the antenna cord sub-assembly (I/P) connector.

    2. Disconnect the navigation ECU connector.

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

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

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    REPLACE NAVIGATION ECU


    1. Replace the navigation ECU with a new one.

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      Result
      Proceed to
      NEXT

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    CHECK DTC


    1. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


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

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      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    • OK

      END (NAVIGATION ECU IS DEFECTIVE)

    • NG

      REPLACE RADIO RECEIVER ASSEMBLYClick here