Front Seat

Remove the center console panel (see CENTER CONSOLE REMOVAL/INSTALLATION ).
Disconnect the 6P connector from the seat heater switch (A).

Fig 1: Identifying 6P Connector And Seat Heater Switch
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the two screws and the switch.
Check for continuity between the terminals in each switch position according to the table.

Fig 2: Front Seat Switch Terminals Continuity Reference Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified, replace the illumination bulbs (B) or the switch.