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Crankshaft Position Sensor

  1. Crankshaft position sensor is part of distributor. If a fault is present in crankshaft position sensor, Code 11 may set in ECM memory. If Code 11 is set, proceed to TESTS W/CODES article in the ENGINE PERFORMANCE Section.
  2. To test crankshaft position sensor, remove distributor. Leave sensor wiring connected. Using a DVOM, touch negative lead to ground and positive lead to one-degree signal, then to 90/120-degree signal terminals of crankshaft position sensor. See CRANKSHAFT POSITION SENSOR SIGNAL HARNESS TERMINALS table. See Fig 1 .
  3. Rotate sensor by hand. On DVOM, signals should fluctuate between 0-5 volts with sensor rotating. If signal is not present, replace crankshaft position sensor.
CRANKSHAFT POSITION SENSOR SIGNAL HARNESS TERMINALS

Model One-Degree Signal Terminal 90/120/180-Degree Signal Terminal
G20 "d" "a"
Fig 1: Identifying Crankshaft Position Sensor Terminals
G93C78552Courtesy of NISSAN MOTOR CO., U.S.A.
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