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Part Inspection

Apply air pressure of 400-440 kPa {4.08-4.48 kgf/cm² , 58.1-63.8 psi} to the oil pressure switch as shown in the figure.

Courtesy of MAZDA MOTORS CORP.
Measure continuity between oil pressure switch terminal A and the thread area.

Courtesy of MAZDA MOTORS CORP.
- If there is any malfunction, replace the oil pressure switch.