AUDIO AND VISUAL SYSTEM (for Radio and Display Type), Diagnostic DTC:B157D

DTC Code DTC Name
B157D DAB Tuner Antenna Disconnected

DESCRIPTION

This DTC is stored when a malfunction occurs in the digital audio broadcasting antenna assembly which is connected to the radio and display receiver assembly.

DTC Code DTC Detection Condition Trouble Area
B157D The amplifier antenna assembly is not connected.

  • Antenna cord sub-assembly

  • Digital audio broadcasting antenna assembly

  • Amplifier antenna assembly

  • Radio and display receiver assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK ANTENNA CORD SUB-ASSEMBLY


    1. Replace the antenna cord sub-assembly with a new or normally functioning one 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

    CHECK AMPLIFIER ANTENNA ASSEMBLY Click here

    OK

    END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE)

  2. CHECK AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the amplifier antenna assembly with a new or normally functioning one 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

    CHECK DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY Click here

    OK

    END (AMPLIFIER ANTENNA ASSEMBLY IS DEFECTIVE)

  3. CHECK DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY


    1. for Sedan:


      1. Replace the digital audio broadcasting antenna assembly with a new or normally functioning one Click here.

    2. for Wagon:


      1. Replace the digital audio broadcasting antenna assembly with a new or normally functioning one Click here.

    3. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

    END (DIGITAL AUDIO BROADCASTING ANTENNA ASSEMBLY IS DEFECTIVE)