NAVIGATION SYSTEM, Diagnostic DTC:B15C0 and 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

E289190E05

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.

    SECURELY CONNECT NAVIGATION ANTENNA ASSEMBLY

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

    1. E291135E02

      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)

    REPLACE NO. 1 NAVIGATION ANTENNA CORD SUB-ASSEMBLY

    (Click here)

  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.

    END (NAVIGATION ANTENNA ASSEMBLY IS DEFECTIVE)

    REPLACE NAVIGATION ECU

    (Click here)