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Oil Pressure Switch Test

  1. Disconnect the oil pressure switch connector (A) from the engine oil pressure switch (B).
    Fig 1: Disconnecting Oil Pressure Switch Connector From Engine Oil Pressure Switch
    G07353700Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Check for continuity between the oil pressure switch terminal (C) and the engine (ground). There should be no continuity with the engine stopped. There should be continuity with the engine running.