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
With the ignition in either the START or RUN position and battery voltage between 4 - 15 volts.

SET CONDITION
No Crankshaft Position Sensor signal is detected when engine vacuum present or cam signal present.

POSSIBLE CAUSES
- Crankshaft notches damaged
- Flywheel damaged
- 8 volt supply circuit open
- 8 volt supply circuit shorted to ground
- CKP sensor ground circuit open
- 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
- CMP defective
- CKP defective
- PCM defective (no crank)
- PCM defective (CMP and CKP)