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Home >> Nissan-Datsun >> 1996 >> Sentra Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing 1.6L >> Ignition Checks >> Distributor Ignition >> Camshaft Position (CMP) Sensor
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Camshaft Position (CMP) Sensor

  1. CMP sensor is located inside distributor. If a fault is present in CMP sensor, see P0340, CAMSHAFT POSITION (CMP) SENSOR in the TESTS W/CODES article.
  2. To test CMP sensor, remove distributor. Leave wiring harness connected. Using a voltmeter, connect negative lead to ground and alternately connect positive lead to 1° signal terminal and 120°/180° signal terminal. See CMP SENSOR INPUT SIGNAL TERMINALS table. See appropriate CMP sensor self-diagnostic test in the TESTS W/CODES article.
  3. Measure voltages at both terminals while rotating distributor by hand. Voltage should fluctuate between 0-5 volts. If either voltage signal does not fluctuate between 0-5 volts, check harness for short or open circuit. If no problems are found, replace CMP sensor.
CMP SENSOR INPUT SIGNAL TERMINALS

Application 1° Signal 120°/180° Signal
Sentra 3 4
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