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 def
- 5-volt supply circuit open
- 5-volt supply circuit short to ground
- CKP signal circuit open
- CKP signal circuit short to ground
- CKP wiring harness & connector intermittent def
- CKP wiring harness and connector observable def
- CKP sensor conn term corr, dam, pushed out or mswd
- PCM connector term, corr, dam, pushed out or mswd
- PCM def (no crank ref sig at PCM)