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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Column >> Power Tilt And Power Telescopic Steering Column System >> Actuator Power Source Circuit >> Inspection Procedure

Inspection Procedure

  1. INSPECT FUSE (TI & TE) 
    1. Remove the TI & TE fuse from the main body ECU.
    2. Measure the resistance of the fuse.

      Standard resistance 

      FUSE (TI & TE)

      Tester Connection Condition Specified Condition
      TI & TE fuse Always Below 1 Ω

    NG: REPLACE FUSE 

    OK: GO TO NEXT STEP 

  2. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU BATTERY) 
      Fig 1: Checking Harness And Connector (Multiplex Tilt And Telescopic ECU Battery)
      G04950122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L34 connector from the multiplex tilt and telescopic ECU.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      MULTIPLEX TILT AND TELESCOPIC ECU BATTERY

      Tester Connection Condition Specified Condition
      L34-2 (+B) - Body ground Always 11 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  3. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) 
      Fig 2: Checking Harness And Connector (Multiplex Tilt And Telescopic ECU - Body Ground)
      G04950107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND

      Tester Connection Condition Specified Condition
      L34-11 (GND) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 

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