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Resistance Tests

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 SENSOR RESISTANCE table.

Fig 1: Identifying Metering Oil Pump Position Sensor Terminals

Courtesy of MAZDA MOTORS CORP.

METERING OIL PUMP POSITION SENSOR RESISTANCE

Terminal	Ohms
Vc-E2	1000-2000
Vo-E2	400-12,000
Vo-Vc	400-12,000