Door Key Cylinder Switch Test

Remove the door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
Disconnect the 3P connector (A)from the key cylinder switch.

Fig 1: Identifying Key Cylinder Switch 3P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between the terminals in each switch position according to Fig 2.

Fig 2: Checking For Continuity Between Terminals In Each Switch Position
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the door key cylinder assembly (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).