Power Mirror & Mirror Defogger Switch Test/Replacement

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

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

Fig 2: Power Mirror Switch Continuity Test Table
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Fig 3: Defogger Switch Continuity Test Table
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the switch.