NAVIGATION SYSTEM(for HDD), Diagnostic DTC:B157D

DTC Code DTC Name
B157D DAB Tuner Antenna Disconnected

DESCRIPTION

This DTC is stored when a malfunction occurs in the antenna with holder assembly which is connected to the navigation ECU sub-assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B157D DAB Tuner Antenna Disconnected The antenna with holder assembly is not connected.

  • Antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • No. 3 antenna cord sub-assembly

  • Antenna with holder assembly

  • Navigation ECU sub-assembly

PROCEDURE


  1. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. Replace the antenna cord sub-assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTCs are output

    No DTCs are output

    END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    DTCs are output

  2. CHECK NO. 2 ANTENNA CORD SUB-ASSEMBLY


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

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTCs are output

    No DTCs are output

    END (NO. 2 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    DTCs are output

  3. CHECK NO. 3 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 3 antenna cord sub-assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTCs are output

    No DTCs are output

    END (NO. 3 ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

    DTCs are output

  4. CHECK ROOF ANTENNA POLE SUB-ASSEMBLY


    1. Check that the roof antenna pole sub-assembly is securely installed.

      Click here

      Result
      Proceed to
      The roof antenna pole sub-assembly is installed properly
      The roof antenna pole sub-assembly is not installed properly

    The roof antenna pole sub-assembly is not installed properly

    REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    The roof antenna pole sub-assembly is installed properly

  5. CHECK ANTENNA WITH HOLDER ASSEMBLY


    1. Replace the antenna with holder assembly.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

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

      Click here


      Body Electrical > Navigation System > Trouble Codes
      Result
      Proceed to
      No DTCs are output
      DTCs are output

    No DTCs are output

    END (ANTENNA WITH HOLDER ASSEMBLY IS DEFECTIVE)

    DTCs are output

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here