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Home >> Acura >> 2013 >> ZDX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Throttle Control System >> Throttle Body Removal/Installation
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Throttle Body Removal/Installation

CAUTION: Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II)/press the engine start/stop button, or while the ignition switch is in ON (II)/vehicle in ON mode. If you do, you will seriously injure your fingers if the throttle valve is activated.
  1. Make sure the ignition switch turned LOCK (0) or the engine start/stop button pressed to select OFF mode.
  2. Disconnect the MAP sensor connector (A).
    Fig 1: MAP Sensor Connector, Throttle Body Connector And Mounting Bolts With Torque Specifications
    G08072873Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the intake air duct (B).
  4. Disconnect the throttle body connector (C).
  5. Disconnect and plug the water bypass hoses (D), then remove the throttle body (E).
  6. Install the parts in the reverse order of removal with a new gasket (F).
    NOTE:
    • When tightening the screw of the hose clamp (G), align the edge of the hose clamp (H) with the painted mark (I).
    • After installation, refill the radiator with engine coolant (see COOLANT CHECK ).
    • If it is in case of replacing or cleaning the throttle body, go to step 7. If it isn't, this procedure is complete.
  7. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
    Fig 2: Identifying Data Link Connector
    G08072874Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Press the engine start/stop button to select the ON mode.
  9. Reset the PCM with the HDS.
  10. Select the ETCS TEST in the INSPECTION MENU with the HDS.
  11. Select TP POSITION CHECK and clear the throttle position (TP) learned value.
  12. Turn the ignition switch to LOCK (0) or press the engine start/stop button to select the OFF mode.
  13. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and wait 2 seconds without pressing the accelerator pedal.
  14. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ).
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