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Oil Pressure Switch Test

  1. Remove the engine undercover (see ENGINE OIL REPLACEMENT ).
  2. Disconnect the oil pressure switch connector (A) from the oil pressure switch (B).
    Fig 1: Identifying Oil Pressure Switch And Connector
    G08092031Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Check for continuity between the oil pressure switch terminal and the engine (ground). There should be continuity with the engine stopped. There should be no continuity with the engine running.
  4. Connect the oil pressure switch connector to the oil pressure switch.
  5. Install the engine undercover (see ENGINE OIL REPLACEMENT ).
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