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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) or while the ignition switch is in ON (II). If you do, you will seriously injure your fingers if the throttle valve is activated.
NOTE: If you are replacing or cleaning the throttle body, start at step  1. If you are removing the throttle body temporarily, begin at step  4.
  1. Connect the HDS to the DLC while the engine is stopped.
  2. Select the INSPECTION MENU on the HDS.
  3. Do the TP POSITION CHECK in the ETCS TEST.
  4. Turn the ignition switch to LOCK (0).
  5. Remove the air cleaner (see AIR CLEANER ELEMENT INSPECTION/REPLACEMENT ).
  6. Disconnect the EVAP canister purge valve connector (A).
    Fig 1: Throttle Body Replacement Components With Torque Specifications
    G06949997Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Disconnect the throttle body connector (B), then disconnect the EVAP canister purge valve hose (C).
  8. Disconnect and plug the water bypass hoses (D, E).
  9. Disconnect the purge hoses (F, G).
  10. Remove the throttle body (H).
  11. Remove the purge pipe (I).
  12. Install the parts in the reverse order of removal with a new gasket (J), then refill the radiator with engine coolant (see COOLANT REPLACEMENT ).
    NOTE:
    • If you replace or clean the throttle body, go to step  13.
    • If you did not replace or clean the throttle body, this procedure is complete.
    • Be careful not to drop or damage the plates (K).
    • Align the marks (L) on the hoses and the throttle body, then insert the hoses. Make sure the clamp (M) is positioned as shown.
    • Align the mark (N) on the hoses as shown, then insert the hoses. Make sure the clamps (0) are positioned as shown.
  13. 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 (DLC)
    G06949998Courtesy of AMERICAN HONDA MOTOR CO., INC.
  14. Turn the ignition switch to ON (II).
  15. Reset the ECM/PCM with the HDS.
  16. Select the ETCS TEST in the INSPECTION MENU with the HDS.
  17. Select the TP POSITION CHECK, then clear the throttle position (TP) learned value.
  18. Turn the ignition switch to LOCK (0).
  19. Turn the ignition switch to ON (II), and wait 2 seconds without pressing the accelerator pedal.
  20. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
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