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Metering Oil Pump Stepper Motor Test

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: Identifying Metering Oil Pump Stepper Motor Terminals
G117778Courtesy of MAZDA MOTORS CORP.
METERING OIL PUMP POSITION ST MOTOR RESISTANCE

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