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Home >> Nissan-Datsun >> 1996 >> Maxima GLE, RE4F04A >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing 3.0L >> Ignition Checks >> DISTRIBUTORLESS Ignition (EI) System >> Crankshaft Position Sensor
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Crankshaft Position Sensor

  1. If a fault is present in CKP sensor, ODB Code P0335 may be set in ECM memory. If ODB Code P0335 is set, see P0335, CRANKSHAFT POSITION (CKP) SENSOR self-diagnostic test in TESTS W/CODES article.
  2. To test CKP sensor, disconnect crankshaft position sensor connector. Sensor is located at rear of engine, facing flywheel. Remove sensor and visually inspect sensor core for chipping. Replace as necessary. If sensor is okay, go to next step.
  3. Reconnect sensor connector. Turn ignition on. Measure voltage between connector terminals No. 2 and 3 while quickly moving screwdriver close and away from sensor core. See Fig 1 . Voltage should fluctuate between 0-5 volts. If voltage signal does not fluctuate between 0-5 volts, check harness for short or open circuit. If no problems are found, replace CKP sensor.
Fig 1: Crankshaft Position Sensor/Ignition Coil Connector Terminals
G95E31512Courtesy of NISSAN MOTOR CO., U.S.A.
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