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Home >> Lexus >> 2013 >> GS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Lock System (Diagnostic Codes & Symptom Tests) >> Steering Lock System >> DTC B2781: Open / Short in Steering Lock ECU >> Inspection Procedure

Inspection Procedure

NOTE:
  • When using the Techstream with the engine switch off to troubleshoot:

    Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.

  • After performing repairs, confirm that no DTCs are output again. Refer to DTC CHECK / CLEAR [12/2011 - ] .
  • When replacing the steering lock ECU (steering lock actuator assembly), registration must be performed. Refer to REGISTRATION [12/2011 - ] .

HINT: 

When all the ECUs that are connected to the LIN communication cannot communicate with the certification ECU (smart key ECU assembly), DTC B2785 is stored.