AUDIO AND VISUAL SYSTEM (for Radio and Display Type), Diagnostic DTC:B1550, B1552, B1564, B156C, B157D, B157E, B158A

DTC Code DTC Name
B1550 DAB Tuner Malfunction
B1552 Extension Module Malfunction
B1564 Digital Radio Disconnected
B156C Extension Module Disconnected
B157D DAB Tuner Antenna Disconnected
B157E Bluetooth Antenna Disconnected
B158A Extension Module Noise Adjustment Malfunction

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B1550 Digital radio tuner has a malfunction. Radio and display receiver assembly
B1552 Extension module has a malfunction. Radio and display receiver assembly
B1564 Digital radio tuner is disconnected.

  • Radio and display receiver assembly

  • Harness or connector
B156C Extension module is disconnected.

  • Radio and display receiver assembly

  • Harness or connector
B157D DAB Tuner Antenna Disconnected.

  • Radio and display receiver assembly

  • Harness or connector
B157E Bluetooth Antenna Disconnected.

  • Radio and display receiver assembly

  • Harness or connector
B158A Extension module noise adjustment malfunction is present.

  • Radio and display receiver assembly

  • Harness or connector

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


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

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

      OK
      There are no damage in terminals or parts.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER 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 OR 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.

    NG

    REPAIR OR REPLACE OPTIONAL EQUIPMENT Click here

    OK

  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.

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

    END