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Home › Lexus › 2008 › LS 460L › Repair and Diagnosis › Steering › 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 

      RESISTANCE SPECIFICATION

      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) 
    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 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified Condition
      L34-2 (+B) - Body ground Always 11 to 14 V
      Fig 1: Identifying L34 Multiplex Tilt And Telescopic ECU Connector
      G04950122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      RESISTANCE SPECIFICATION

      Tester Connection Condition Specified Condition
      L34-11 (GND) - Body ground Always Below 1 Ω
      Fig 2: Identifying L34 Multiplex Tilt And Telescopic ECU Connector
      G04950107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: CHECK IG POWER SOURCE CIRCUIT  (See IG POWER SOURCE CIRCUIT  )

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