NAVIGATION SYSTEM(for Radio and Display Type), 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" / "Wi-Fi" Function)

CAUTION / NOTICE / HINT

Note

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

Click here

PROCEDURE


  1. CHECK ANTENNA CORD SUB-ASSEMBLY (for "Bluetooth" / "Wi-Fi" Function)


    1. Replace the antenna cord sub-assembly (for "Bluetooth" / "Wi-Fi" Function) with a known good one.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (ANTENNA CORD SUB-ASSEMBLY [for "Bluetooth" / "Wi-Fi" Function] IS DEFECTIVE)

    NG

  2. CHECK RADIO & DISPLAY RECEIVER ASSEMBLY


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

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Navigation System > Clear DTCs

    3. Check for DTCs.

      Click here


      Body Electrical > Navigation System > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (RADIO AND DISPLAY RECEIVER ASSEMBLY IS DEFECTIVE)

    NG

    REPLACE NAVIGATION ECU Click here