Power Mirror and 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: Disconnecting 13P Connector From Power Mirror Switch And Identifying Connector Terminals
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Check for continuity between the terminals in each switch position according to the table.
Mirror Switch

Fig 2: Identifying Switch Positions - Mirror Switch
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Defogger Switch

Fig 3: Identifying Switch Positions - Defogger Switch
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If the continuity is not as specified, replace the switch.