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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless/Power Door Locks/Security System >> Door Key Cylinder Switch Test
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Door Key Cylinder Switch Test

  1. Remove the driver's door panel (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
  2. Disconnect the 10P connector (A) from the key cylinder switch (B).
    Fig 1: Identifying 5P Connector Terminals And Key Cylinder Switch
    G05487899Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check for continuity between the terminals.
    • There should be continuity between the No. 9 and No. 5 terminals when the door key cylinder switch is in LOCK position.
    • There should be no continuity between the No. 9 and No. 5 terminals when the door key cylinder switch is in the neutral or UNLOCK position.
    • There should be continuity between the No. 8 and No. 5 terminals when the door key cylinder switch is in UNLOCK position.
    • There should be no continuity between the No. 8 and No. 5 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 assembly (see FRONT DOOR OUTER HANDLE REPLACEMENT ).
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