NAVIGATION SYSTEM (for Navigation Receiver Type), Diagnostic DTC:B157D

DTC Code DTC Name
B157D DAB Tuner Antenna Disconnected

DESCRIPTION

This DTC is 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
B157D The digital audio broadcasting antenna assembly is not connected.

  • Antenna cord sub-assembly

  • No. 2 antenna cord sub-assembly

  • No. 3 antenna cord sub-assembly

  • Roof antenna pole sub-assembly

  • Roof antenna assembly

  • Navigation ECU sub-assembly

INSPECTION PROCEDURE

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 that no DTCs are output.

      OK
      No DTCs are output.

    NG

    REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

  2. REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY


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

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY Click here

    OK

    END

  3. INSPECT NO. 3 ANTENNA CORD SUB-ASSEMBLY


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

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY Click here

    OK

    END

  4. REPLACE ROOF ANTENNA POLE SUB-ASSEMBLY


    1. Replace the roof antenna pole sub-assembly Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE ROOF ANTENNA ASSEMBLY Click here

    OK

    END

  5. REPLACE ROOF ANTENNA ASSEMBLY


    1. Replace the roof antenna assembly Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here

    OK

    END