Crankshaft Angle Sensor
Faults in crank angle sensor circuit may set Code 11. To test system, see CODE 11 diagnostic procedures in TESTS W/CODES article. On NX and Sentra, see appropriate CRANK ANGLE SENSOR Flow chart. On all other vehicles, crank angle sensor is part of distributor.
- To test crank angle sensor, remove crank angle sensor (or distributor). Leave wiring harness connected. On vehicles with distributor, disconnect secondary coil wire from distributor cap, and then connect wire to ground. On all vehicles, turn ignition on.
- Connect logic probe or DVOM with an analog bar graph function to ground. While slowly rotating sensor shaft by hand, backprobe specified wire terminals of sensor connector. See CRANK ANGLE SENSOR VOLTAGE TEST table.
- If voltage does not fluctuate between 0 and 5 volts, check for damaged or dirty signal plate in crank angle sensor, and for shorted or open harness. If harness and signal plate are okay, replace crank angle sensor.
NOTE:
It is possible to measure crank angle sensor voltage with a conventional DVOM without bar graph function; however, it may be difficult to determine peak voltage signal due to averaging of signal.
CRANK ANGLE SENSOR VOLTAGE TEST (1)
| Model/Application | Wire Color (1 Degree Signal) | Wire Color (120/180 Degree Signal) | ||
|---|---|---|---|---|
| NX & Sentra | Yellow | Blue | ||
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