P0320

Test 1:

Tests 2 - 7:

Tests 8 - 11:

Tests 12 - 15:

Tests 16 - 21:

Tests 22 - 26:

Tests 27 - 30:

SYMPTOM
P0320 - NO CRANK REFERENCE SIGNAL AT PCM

WHEN MONITORED
During engine cranking, with battery voltage less than 11.5 volts and manifold vacuum present.

SET CONDITION
No signal from crankshaft position (CKP) sensor during engine cranking or there is a camshaft position sensor signal without a CKP sensor signal.

POSSIBLE CAUSES
- CKP defective
- CKP sensor ground circuit open
- CMP defective
- Crankshaft position sensor defective
- Crankshaft notches damaged
- Flywheel damaged
- 8-volt supply circuit open
- 8-volt supply circuit shorted to ground
- CKP sensor signal circuit open
- CKP sensor signal circuit shorted to ground
- CMP & CKP sensor wiring harness intermittent defect
- CMP & CKP sensor wiring harness observable defect
- PCM defective (no crank)
- PCM defective (CMP and CKP)