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Home >> Lexus >> 2021 >> ES 250 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (A25A-FKS) - Service Information >> Accelerator Pedal >> On-Vehicle Inspection [08/2020 - ] >> Procedure
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On-Vehicle Inspection [08/2020 - ]: Procedure

  1. INSPECT ACCELERATOR PEDAL(W/SENSOR) ROD ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Data List / Accelerator Position Sensor No. 1 Voltage and Accelerator Position Sensor No. 2 Voltage.

      Powertrain > Engine > Data List 

      Tester Display
      Accelerator Position Sensor No. 1 Voltage
      Accelerator Position Sensor No. 2 Voltage
    5. Read the values displayed on the Techstream.

      Standard Voltage

      Techstream Display Condition Specified Condition
      Accelerator Position Sensor No. 1 Voltage Accelerator pedal fully released 0.5 to 1.1 V
      Accelerator pedal fully depressed 2.6 to 4.5 V
      Accelerator Position Sensor No. 2 Voltage Accelerator pedal fully released 1.2 to 2.0 V
      Accelerator pedal fully depressed 3.4 to 4.75 V

      If the result is not as specified, check the accelerator pedal sensor assembly, wire harness and ECM.

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