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Home › Acura › 2016 › RDX AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System & Engine Mechanical - Testing & Troubleshooting › Testing › Throttle Body Cleaning (2013-18) › Cleaning

Throttle Body Cleaning (2013-18): Cleaning

GHH69880Courtesy of HONDA, U.S.A., INC.

Do not insert your fingers into the installed throttle body when you press the engine start/stop button to select the ON mode, or while vehicle in ON mode. If you do, you will seriously injure your fingers if the throttle valve is activated.

  1. Air Cleaner Element - Check
      1. Make sure the engine start/stop button to select the OFF mode.
    2. Check for damage to the air cleaner element. If the air cleaner element is damaged, replace it .
  2. Throttle Body - Remove
      1. Remove the throttle body - Refer to: Throttle Body Removal and Installation (2013-15), or Throttle Body Removal and Installation (2016-18) .
  3. Throttle Body - Clean
    GHH72760Courtesy of HONDA, U.S.A., INC.
    		 1. Clean off the carbon from the throttle valve and inside the throttle body with a paper towel soaked with throttle plate cleaner.
    • Remove the throttle body to clean it.
    • Be careful not to pinch your fingers.
    • To avoid removing the molybdenum coating, do not clean the bearing area of the throttle shaft (A).
    • Do not spray throttle plate cleaner directly on the throttle body.
    • Use Acura genuine throttle plate cleaner.
  4. Throttle Body - Install
      1. Install the throttle body - Refer to: Throttle Body Removal and Installation (2013-15), or Throttle Body Removal and Installation (2016-18) .
  5. HDS - Connect
    GHH72761Courtesy of HONDA, U.S.A., INC.
    		 1. Press the engine start/stop button to select the ON mode, but do not start the engine.
    2. Connect the HDS to the DLC (A) located under the driver's side of the dashboard.
    3. Make sure the HDS communicates with the PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting - Refer to: DLC Circuit Troubleshooting (2013-15), or DLC Circuit Troubleshooting (2016-18) .
  6. PCM - Reset
      1. Reset the PCM with the HDS.
  7. TP POSITION CHECK - Select
      1. Select the ETCS TEST in the INSPECTION MENU with the HDS

    2. Select TP POSITION CHECK and clear the throttle position (TP) learned value

    3. Press the engine start/stop button to select the OFF mode

    4. Press the engine start/stop button to select the ON mode, and wait 2 seconds without pressing the accelerator pedal.
  8. PCM - Idle Learn
      1. Do the PCM idle learn procedure .
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