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Metering Oil Pump Stepper Motor

Remove sensor connector. Note terminal identification. See Fig 1 . Using ohmmeter, check resistance at specified terminals. Resistance must be within specification. See METERING OIL PUMP POSITION STEPPER MOTOR RESISTANCE  table.

Fig 1: Metering Oil Pump Stepper Motor Terminal Identification
G117778Courtesy of MAZDA MOTORS CORP.
METERING OIL PUMP POSITION STEPPER MOTOR RESISTANCE

Terminal Ohms
+B1 & SM1-SM3 16,000-31,000
+B2 & SM2-SM4 16,000-31,000