Throttle Position Learning Check

NOTE: If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble code (DTCs).

Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

Fig 1: Connecting HDS To DLC
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Turn the ignition switch to ON
Make sur ethe HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting.
Select the INSPECTION MENU with the HDS.
Do the TP POSITION CHECK in the ETCS TEST. If needed, clean the throttle body (see THROTTLE BODY CLEANING ).