NAVIGATION SYSTEM, Diagnostic DTC:B15C0, B15C1

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

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

WIRING DIAGRAM

A002M7AE05
*a Navigation Antenna Assembly
*b Navigation ECU
*c No. 1 Navigation Antenna Cord Sub-assembly

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 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.

    NG

    SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY

    OK

  2. CHECK NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLY


    1. A002Q9JE02
      Text in Illustration
      *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-b Always Below 1 Ω
      1 - Body ground Always 10 kΩ or higher
      1-a - Body ground Always 10 kΩ or higher

    NG

    REPLACE NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  3. 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.

    OK

    END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE NAVIGATION ECU Click here