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Oil Pressure Switch Test

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the YEL/RED wire (A) from the engine oil pressure switch (B).
    Fig 1: Removing YEL/RED Wire From Engine Oil Pressure Switch
    G01505303Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Check for continuity between the positive terminal (C) and the engine (ground). There should be continuity with the engine stopped. There should be no continuity with the engine running.
  3. If the switch fails to operate, check the engine oil level. If the engine oil level is OK, check the engine oil pressure.
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