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Home >> Lexus >> 2009 >> GS 450h >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Lock System (Diagnostic Codes & Circuit Tests) >> Steering Lock System >> Power Source Circuit >> Procedure

Power Source Circuit: Procedure

  1. CHECK WIRE HARNESS (STEERING LOCK ACTUATOR - BODY GROUND) See step   2 

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  2. CHECK WIRE HARNESS (STEERING LOCK ACTUATOR - BATTERY) 
    1. Measure the voltage according to the value(s) in the table below.
      Fig 1: Identifying K28 Connector
      GTY114104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard voltage

      Tester Connection Condition Specified Condition
      K28-7 (B) - K28-1 (GND) Always 10 to 14 V
      K28-7 (B) - K28-2 (SGND) Always 10 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (STEERING LOCK ACTUATOR - BATTERY) 

    OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE