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 No. 1 amplifier antenna assembly which is connected to the radio receiver assembly.

DTC No. DTC Detection Condition Trouble Area
B157D The No. 1 amplifier antenna assembly is not connected.

  • Harness or connector

  • No. 2 antenna cord sub-assembly

  • No. 1 amplifier antenna assembly

  • Radio receiver assembly

PROCEDURE


  1. REPLACE HARNESS AND CONNECTOR (NO. 2 ANTENNA CORD SUB-ASSEMBLY - RADIO RECEIVER ASSEMBLY)


    1. Replace the harness and connector with a new or known good one.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END

    NG

  2. REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY


    1. Replace the No. 2 antenna cord sub-assembly with a new or known good one Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END

    NG

  3. REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY


    1. Replace the No. 1 amplifier antenna assembly with a new or known good one Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END

    NG

    REPLACE RADIO RECEIVER ASSEMBLY Click here