Dash Lights Brightness Controller Test/Replacement

Remove the driver's dashboard trim (see DRIVER'S DASHBOARD TRIM REMOVAL/INSTALLATION )
Remove the two screws and dash lights brightness controller (A) from the driver's outer dashboard trim (B)

Fig 1: Identifying Dash Lights Brightness Controller And Driver's Outer Dashboard Trim 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: Terminal Continuity Reference Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the continuity is not as specified or LED does not turn on, replace the switch