AUTOMATIC HIGH BEAM SYSTEM, Diagnostic DTC:B2461

DTC Code DTC Name
B2461 Vehicle Information not written in AHB ECU

DESCRIPTION

The inner rear view mirror assembly stores this DTC if initialization has not been performed after the ECU was replaced.

DTC No. DTC Detection Condition Trouble Area
B2461 Vehicle information not written in AHB ECU

  • Inner rear view mirror assembly

  • Main body ECU (multiplex network body ECU)

  • CAN communication system

INSPECTION PROCEDURE

Note

Confirm that the CAN communication system is not malfunctioning before performing the following inspection Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2461 is not output.

    NG

    CHECK FOR DTC Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  3. INSPECT INNER REAR VIEW MIRROR ASSEMBLY


    1. Replace the inner rear view mirror assembly with a new or known good one Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2461 is not output.

    NG

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    OK

    END (INNER REAR VIEW MIRROR ASSEMBLY WAS DEFECTIVE)