NAVIGATION SYSTEM, Diagnostic DTC:B157E

DTC Code DTC Name
B157E Bluetooth Antenna Disconnected

DESCRIPTION

This DTC is stored when a malfunction occurs in the "Bluetooth" antenna which is connected to the navigation ECU.

"Bluetooth" antenna is built into the radio and display receiver assembly.

DTC No. DTC Detection Condition Trouble Area
B157E "Bluetooth" antenna is not connected

  • Navigation ECU

  • Radio and display receiver assembly

  • Antenna cord sub-assembly (for "Bluetooth")

PROCEDURE


  1. CHECK CONNECTION OF ANTENNA CORD SUB-ASSEMBLY (for "Bluetooth")


    1. Check if the antenna cord sub-assembly (for "Bluetooth") is securely connected to the navigation ECU.

      OK
      Antenna cord sub-assembly (for "Bluetooth") is securely connected.

    NG

    SECURELY CONNECT ANTENNA CORD SUB-ASSEMBLY (for "Bluetooth")

    OK

  2. REPLACE ANTENNA CORD SUB-ASSEMBLY (for "Bluetooth")


    1. Replace the antenna cord sub-assembly (for "Bluetooth") Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END

    NG

  3. REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. Replace the radio and display receiver assembly Click here.

    2. Clear the DTCs Click here.

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

      OK
      No DTCs are output.

    OK

    END

    NG

    REPLACE NAVIGATION ECU Click here