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
- CKP sensor ground circuit open
- CKP sensor defective
- 5-volt supply circuit open
- 5-volt supply circuit short to ground
- CKP signal circuit open
- CKP signal circuit short to ground
- CMP and CKP sensor wiring harness observable defect
- CMP and CKP sensor wiring harn intermittent defect
- CKP sensor connector observable defect
- PCM connector observable defect
- PCM def (no crank ref sig at PCM)