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Door Key Cylinder Switch Test

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the driver's door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
  2. Disconnect the 3P connector from the key cylinder switch.
    Fig 1: Identifying Key Cylinder Switch 3P Connector
    G05462646Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check for continuity between the terminals.
    • There should be continuity between the No. 2 and No. 3 terminals when the door key cylinder switch is in LOCK position.
    • There should be no continuity between the No. 2 and No. 3 terminals when the door key cylinder switch is in the neutral or UNLOCK position.
    • There should be continuity between the No. 1 and No. 2 terminals when the door key cylinder switch is in UNLOCK position.
    • There should be no continuity between the No. 1 and No. 2 terminals when the door key cylinder switch is in the neutral or LOCK position.
  4. If the continuity is not as specified, replace the door key cylinder switch (see FRONT DOOR OUTER HANDLE REPLACEMENT ).
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