2021 Lexus RC F BaseFACTORY OEM SERVICE PROCEDURE

On-Vehicle Inspection [09/2014 - ]: Procedure

  1. INSPECT ACCELERATOR PEDAL SENSOR ASSEMBLYΒ 
    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 / Accel Sensor Out No. 1 and Accel Sensor Out No. 2.

      Powertrain > Engine > Data ListΒ 

      Tester Display
      Accel Sensor Out No. 1
      Accel Sensor Out No. 2
    5. Read the values displayed on the Techstream.

      Standard Voltage

      Tester Display Condition Specified Condition
      Accel Sensor Out No. 1 Accelerator pedal fully released 0.5 to 1.1 V
      Accelerator pedal fully depressed 2.6 to 4.5 V
      Accel Sensor Out No. 2 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.

Factory Service Tools

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When to See a Mechanic

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

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

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