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HOMESERVICE MANUALSSCION2007TC BASE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONCOMPUTER RELEARNENGINE CONTROL SYSTEM (2AZ-FE)ACCELERATOR PEDALON-VEHICLE INSPECTION
2007 Scion tC Base, Automatic

On-Vehicle Inspection

2007 Scion tC Base, AutomaticSECTION 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 CONDITION

        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 CONDITION

        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
        G04864956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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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.