LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> LS 460 RWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Lock System (Diagnostic Codes & Circuit Tests) >> Steering Lock System >> Circuit Tests >> Power Source Circuit >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Source Circuit: Procedure

  1. INSPECT FUSE (STR LOCK) 
    1. Remove the STR LOCK fuse from the main body ECU.
    2. Measure the resistance of the fuse.

      Standard resistance

      Tester Connection Condition Specified Condition
      STR LOCK fuse Always Below 1 Ω

    NG → REPLACE FUSE 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (STEERING LOCK ACTUATOR - BODY GROUND) 
    Fig 1: Checking Harness And Connector (Steering Lock Actuator - Body Ground)
    GTY289235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 steering lock actuator connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      L33-1 (GND) - Body ground Always Below 1 Ω
      L33-2 (SGND) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (BATTERY - STEERING LOCK ACTUATOR) 
    Fig 2: Identifying L33 Steering Lock Actuator Connector Terminal
    GTY285670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 steering lock actuator connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      Tester Connection Condition Specified Condition
      L33-7 (B) - Body ground Always 11 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   4 

  4. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
scientia non olet · About LEMON Manuals