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Dash Lights Brightness Controller Test/Replacement

  1. Remove the instrument fascia (see DRIVER'S SWITCH PANEL REMOVAL/INSTALLATION ).
  2. Disconnect the 6P connector (A) from the dash lights brightness controller (B).
    Fig 1: Identifying 6P Connector And Dash Lights Brightness Controller
    G06162775Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Remove the two screws and the dash lights brightness controller.
  4. Check for continuity between the terminals No. 5 and No. 6.
    • There should be continuity when the ILLUMI (-) button is pressed.
    • There should be no continuity when the ILLUMI (-) button is released.
  5. Check for continuity between the terminals No. 4 and No. 6.
    • There should be continuity when the ILLUMI (+) button is pressed.
    • There should be no continuity when the ILLUMI (+) button is released.
  6. Check the LED by connecting battery power to terminal No. 1 and ground to terminal No. 2. The LED should come on.
  7. If the continuity is not as specified, or the LED is faulty, replace the controller.
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