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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 75 (Smart Key System (Keyless Start) - Diagnostic Codes (Hybrid)) >> SMART KEY SYSTEM (for Start Function, HV Model) >> DTC B2781: Open / Short in Steering Lock ECU [04/2018 - ] >> Procedure

DTC B2781: Open / Short in Steering Lock ECU [04/2018 - ]: Procedure

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  1. CHECK DTC 
    1. Using the Techstream, check if LIN communication DTC B2785 is output.

      Body Electrical > Smart Key > Trouble Codes 

      HINT: 

      If a LIN communication DTC is output, perform troubleshooting for the LIN communication system.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ]

      Result

      Result Proceed to
      DTC B2785 is output. A
      DTC B2785 is not output. B

    Result: 

    GO TO LIN COMMUNICATION SYSTEM (DTC B2785). Refer to  DTC B2785: Communication Malfunction between ECUs Connected by LIN [04/2018 - ] 

    Result: 

    REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) 

    for Manual Tilt and Manual Telescopic Steering Column: Refer to DISASSEMBLY [04/2018 - ]

    for Power Tilt and Power Telescopic Steering Column: Refer to DISASSEMBLY [04/2018 - ]