P0320 No Crank Reference Signal at PCM

SYMPTOM
P-0320 NO CRANK REFERENCE SIGNAL AT PCM

WHEN MONITORED
During engine cranking.

SET CONDITION
No signal from the crank position sensor is present during engine cranking, and at least 3 cam position signals have occurred.

POSSIBLE CAUSES
- Sensor ground circuit bad wire
- Wiring harness intermittent defect
- Camshaft position sensor defective
- Sensor signal circuit bad wire
- Sensor signal circuit shorted to ground
- 5-volt supply circuit open
- 5-volt supply circuit shorted to ground
- Camshaft position sensor defective
- Crankshaft position sensor defective
- Crankshaft position sensor defective
- Flywheel observable defect
- Inactive trouble code
- Powertrain control module defective
- Powertrain control module defective