AUDIO AND VISUAL SYSTEM(for Radio and Display Type), Diagnostic DTC:B1550, B1552, B1564, B156C, B157E, B158A

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B1552 Extension Module Malfunction
B1564 Digital Radio Disconnected
B156C Extension Module Disconnected
B157E Bluetooth Antenna Disconnected
B158A Extension Module Noise Adjustment Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in optional equipment.

DTC No. DTC Detection Condition Trouble Area
B1550 Digital radio tuner has a malfunction.

  • Digital radio tuner

  • Radio and display assembly
B1552 Extension module has a malfunction.

  • Extension module

  • Radio and display assembly
B1564 Digital radio tuner is disconnected.

  • Harness or connector

  • Digital radio tuner

  • Radio and display assembly
B156C Extension module is disconnected.

  • Harness or connector

  • Extension module

  • Radio and display assembly
B157E Bluetooth Antenna Disconnected.

  • Harness or connector

  • Extension module

  • Bluetooth Antenna

  • Radio and display assembly
B158A Extension module noise adjustment malfunction is present.

  • Harness or connector

  • Extension module

  • Radio and display assembly

PROCEDURE


  1. CHECK RADIO AND DISPLAY ASSEMBLY


    1. Disconnect the connector for optional equipment from the radio and display assembly.

    2. Check that there are no damage in terminals or parts of the radio and display assembly connector.

      OK
      There are no damage in terminals or parts.

    NG

    REPLACE RADIO AND DISPLAY ASSEMBLY Click here

    OK

  2. CHECK HARNESS AND CONNECTOR


    1. Check that there are no damage in terminals or parts in the optional equipment connector.

      OK
      There are no damage in terminals or parts.

    NG

    REPAIR OR REPLACE HARNESS AND CONNECTOR

    OK

  3. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs and check if the same trouble occurs again.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  4. REPAIR OR REPLACE OPTIONAL EQUIPMENT


    1. Refer to optional equipment's manual for repair information.


    NEXT

  5. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs and check if the same trouble occurs again.

      OK
      No DTCs are output.

    OK

    END

    NG

    REPLACE RADIO AND DISPLAY ASSEMBLY Click here