2011 Acura TL BaseFACTORY OEM SERVICE PROCEDURE

APP Sensor Signal Inspection

NOTE:
  • This procedure checks the APP sensor in its fully closed position In any other position, the APP sensor stores DTCs which are covered in other troubleshooting procedures
  • Check for Pending or Confirmed DTCs with the HDS before doing this procedure If any DTCs are indicated, troubleshoot them first, then do this procedure
  • Press the accelerator pedal several times, to check its operation If it does not operate smoothly, check the pedal If you find a problem, replace the accelerator pedal module (see ACCELERATOR PEDAL MODULE REMOVAL AND INSTALLATION )
  1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard
    Fig 1: Identifying Data Link Connector (DLC)
    G05987525Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode
  3. Make sure the HDS communicates with the PCM If it doesn't, go to the DLC circuit troubleshooting (see DLC CIRCUIT TROUBLESHOOTING )
  4. Make sure the accelerator pedal is not pressed, then check the APP SENSOR in the DATA LIST with the HDS
    • If it is 0 %, the APP sensor is OK
    • If it is not 0 %, update the PCM if it does not have the latest software (see ECM/PCM UPDATE ), or substitute a known-good PCM (see SUBSTITUTING THE ECM/PCM ), then go to step 5
  5. Make sure the accelerator pedal is not pressed, then check the APP SENSOR in the DATA LIST with the HDS
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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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