On-Vehicle Inspection

Remove the aerodynamic under cover. (See AERODYNAMIC UNDER COVER REMOVAL/INSTALLATION .)
Prepare for the on-vehicle inspection. (See ON-VEHICLE INSPECTION PREPARATION .)
Disconnect the oil pressure switch connector.

Fig 1: Identifying Oil Pressure Switch
Courtesy of MAZDA MOTORS CORP.
Start the engine.

Measure continuity between oil pressure switch terminal A and GND.

Fig 2: Identifying Oil Pressure Switch Connector Terminals

Courtesy of MAZDA MOTORS CORP.

If there is any malfunction, replace the oil pressure switch. (See OIL PRESSURE SWITCH REMOVAL/INSTALLATION .)

OIL PRESSURE SWITCH CONTINUITY