Passenger's Switch (With Navigation System)

Remove the center lower cover (see CENTER CONSOLE REMOVAL/INSTALLATION ).
Disconnect the 8P connector (A) from the front passenger's seat heater switch (B), and remove the switch.

Fig 1: Disconnecting 8P Connector From Front Passenger's Seat Heater Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between the terminal in each switch position according the table.

Fig 2: Terminal Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the switch.
If any of the illumination bulbs (C) are blown, replace it.