Door Key Cylinder Switch Test

Remove the door panel (see DOOR PANEL REMOVAL/INSTALLATION ).
Disconnect the 3P connector from the switch.
NOTE: The front passenger's door key cylinder switch shown; the driver's door key cylinder switch is similar.

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

Fig 2: Door Key Cylinder Switch Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.