Power Mirror Switch Test/Replacement

Remove the driver's switch panel (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ).
Disconnect the 13P connector from the power mirror switch (A).

Fig 1: Disconnecting 13P Connector From Power Mirror Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between the terminals in each switch position according to illustration below.

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 switch.