2006 Scion tC AutomaticFACTORY OEM SERVICE PROCEDURE

On-Vehicle Inspection

  1. CHECK ACCELERATOR PEDAL 
    1. Check the voltage.
      1. Connect the intelligent tester to the DLC3.
      2. Turn the ignition switch ON.
      3. Turn the intelligent tester ON.
      4. Select the menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / ACCEL POS #1, ACCEL POS #2.
      5. Operate the accelerator pedal, and then check that the ACCEL POS #1 and ACCEL POS #2 values are within the specifications.

    Standard voltage (ACCEL POS #1) 

    ACCELERATOR PEDAL SPECIFIED CONDITION CHART

    Accelerator Pedal Condition Specified Condition
    Released 0.5 to 1.1 V
    Depressed 2.5 to 4.5 V

    Standard voltage (ACCEL POS #2) 

    ACCELERATOR PEDAL SPECIFIED CONDITION CHART

    Accelerator Pedal Condition Specified Condition
    Released 1.2 to 2.0 V
    Depressed 3.4 to 5.0 V

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

    Fig 1: Connecting Intelligent Tester To DLC3
    G04221422Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.