NAVIGATION SYSTEM (for Navigation Receiver Type), Diagnostic DTC:B15FE, B15FF

DTC Code DTC Name
B15FE XM Tuner Antenna Disconnected
B15FF XM Tuner Antenna Short

DESCRIPTION

These DTCs are stored when a malfunction occurs in the roof antenna assembly which is connected to the navigation ECU sub-assembly.

DTC No. DTC Detection Condition Trouble Area
B15FE The roof antenna assembly is not connected.

  • Antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • Harness or connector

  • Roof antenna assembly

  • Navigation ECU sub-assembly
B15FF A short occurs in the roof antenna assembly.

INSPECTION PROCEDURE

Note

After replacing the navigation ECU sub-assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary.

PROCEDURE

  1. REPLACE ANTENNA CORD SUB-ASSEMBLY

    1. Replace the antenna cord sub-assembly Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.
    NG

    INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

    END

  2. INSPECT NO. 2 ANTENNA CORD SUB-ASSEMBLY

    1. Disconnect the No. 2 antenna cord sub-assembly.

    2. Measure the resistance of the No. 2 antenna cord sub-assembly to check for an open circuit in the No. 2 antenna cord sub-assembly.

      Standard Resistance
      Below 1 Ω

    3. Measure the resistance between the No. 2 antenna cord sub-assembly and body ground to check for a short circuit in the No. 2 antenna cord sub-assembly.

      Standard Resistance
      10 kΩ or higher
    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  3. REPLACE HARNESS OR CONNECTOR

    1. Replace the harness or connector.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.
    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

    END

  4. REPLACE ROOF ANTENNA ASSEMBLY

    1. Replace the roof antenna assembly Click here.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.
    NG

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here

    OK

    END