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Oil Pressure Switch Inspection: Notes

WARNING:
  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the exhaust system.
  1. Disconnect the negative battery cable.
  2. Remove the aerodynamic undercover. (See AERODYNAMIC UNDER COVER REMOVAL/INSTALLATION .)
  3. Remove the oil pressure switch. (See OIL PRESSURE SWITCH REMOVAL .)
  4. Apply air pressure of approx. 40 kPa {0.41 kgf/cm2 , 5.8 psi} to the oil pressure switch as shown in the figure.
    G13728774Courtesy of MAZDA MOTORS CORP.
  5. Measure continuity between oil pressure switch terminal A and the thread area.
G13728775Courtesy of MAZDA MOTORS CORP.