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.

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B157E

Bluetooth Antenna Disconnected

"Bluetooth" antenna is not connected

  • Navigation ECU

  • Radio and display receiver assembly

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

PROCEDURE

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

    1. Replace the antenna cord sub-assembly (for "Bluetooth") with a new or known good one.

      for Sedan:Click hereClick here

      for Hatchback, Wagon:Click hereClick here

    2. Clear the DTCs.

      Click hereClick here

      Body Electrical > Navigation System > Clear DTCs

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

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

    Result

    Proceed to

    OK

    NG
    OK

    END

    NG

  2. REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

    1. Replace the radio and display receiver assembly with a new or known good one.

      for Sedan:Click hereClick here

      for Hatchback, Wagon:Click hereClick here

    2. Clear the DTCs.

      Click hereClick here

      Body Electrical > Navigation System > Clear DTCs

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

      Body Electrical > Navigation System > Trouble Codes

      OK

      No DTCs are output.

    Result

    Proceed to

    OK

    NG
    OK

    END

    NG

    REPLACE NAVIGATION ECU

    for Sedan:Click hereClick here

    for Hatchback, Wagon:Click hereClick here