2006 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

On-Vehicle Inspection

  1. CHECK ACCELERATOR PEDAL 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the engine switch on (IG).
    3. Push the intelligent tester main switch ON.
    4. Select the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ACCEL POS #1, ACCEL POS #2.
    5. When depressing and releasing the accelerator pedal, check that the values of the accelerator POS No. 1 and POS No. 2 are within the specification.
      Fig 1: Identifying Intelligent Tester To DLC3
      G04027788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Accelerator POS No. 1 standard voltage 

      SPECIFIED CONDITION CHART

      Condition Specified Condition
      Accelerator pedal is released 0.5 to 1.1 V
      Accelerator pedal is depressed 2.6 to 4.5 V

      Accelerator POS No. 2 standard voltage 

      SPECIFIED CONDITION CHART

      Condition Specified Condition
      Accelerator pedal is released 1.2 to 2.0 V
      Accelerator pedal is depressed 3.4 to 5.0 V

      HINT:

      If the result is not as specified, check the accelerator pedal, wire harness or ECM.

Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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