Power Mirror Switch Test/Replacement

Remove the driver's dashboard lower cover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
Disconnect the 13P connector (A) from the power mirror switch (B).

Fig 1: Disconnecting 13P Connector (A) From Power Mirror Switch (B)
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: Mirror Switch - Terminal Continuity Table
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Defogger Switch:

Fig 3: Defogger Switch - Terminal Continuity Table
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, remove the screws and replace the power mirror switch.