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Dash Lights Brightness Controller Acura MDX II

Gauges & Instrument Panels 2 illustrations ~172 words
Fig. 1: Dash Lights Brightness Controller - Circuit Diagram
Scheme 1: Dash Lights Brightness Controller - Circuit Diagram

Scheme 30

Scheme 30: Dash Lights Brightness Controller Test/Replacement
Scheme 30: Dash Lights Brightness Controller Test/Replacement
  1. Remove the instrument fascia (see «DRIVER'S INNER DASHBOARD TRIM REMOVAL/INSTALLATION»(/acura/mdx/ii-2006-2010/remont/exteriorinterior-trim/#dashboard) ).
  2. Disconnect the 6P connector (A) from the dash lights brightness controller (B). (Scheme 30): Identifying Dash Lights Brightness Controller And 6P Connector
  3. Remove the two screws and the dash lights brightness controller.
  4. Check for continuity between the No. 5 and No. 6 terminals. 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 No. 4 and No. 6 terminals. There should be continuity when the ILLUMI (+) button is pressed. There should be no continuity when the ILLUMI (+) button is released.
  6. If the continuity is as not specified, replace the controller.
  7. Check the LED by connecting battery power to the No. 1 terminal and ground to the No. 2 terminal. The LED should come on.
  8. If the LED does not work; replace the dash lights brightness controller assembly.

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