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Door Lock Switch Test

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
  2. Remove the two screws, then remove the door lock switch.
    Fig 1: Removing Door Lock Switch
    G03642379Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check for continuity between the terminals.
    • There should be continuity between the No. 1 and No. 2 terminals when the door lock switch is in the LOCK position.
    • There should be no continuity between the No. 1 and No. 2 terminals when the door lock switch is in the neutral position or UNLOCK position.
    • There should be continuity between the No. 2 and No. 3 terminals when the door lock switch is in the UNLOCK position.
    • There should be no continuity between the No. 2 and No. 3 terminals when the door lock switch is in the neutral position or LOCK position.
  4. If the continuity is not as specified, replace the switch.
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