Power Mirror Switch Test/Replacement

Remove the driver's door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
Disconnect the 13P connector (A) from the power mirror switch (B).

Fig 1: Disconnect The 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 the table.
Mirror Switch:

Fig 2: Power Mirror Switch Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the switch.