P0320

Test 1:

Tests 2 - 4:

Tests 5 - 9:

Tests 10 - 14:

Tests 15 - 16:

SYMPTOM
P0320-NO CRANK REFERENCE SIGNAL AT PCM

WHEN MONITORED
With the ignition ON.

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

POSSIBLE CAUSES
- CAM position sensor signal
- Checking intermittent CKP signal with LAB scope
- 5 volt supply circuit shorted to ground
- 5 volt supply circuit open
- 5 volt supply circuit shorted to voltage
- CKP sensor signal circuit shorted ground
- CKP sensor signal circuit open
- CKP sensor signal circuit shorted to voltage
- CKP sensor signal shorted to 5 volt supply circuit
- Crank sensor ground circuit open
- PCM - 5 volt supply
- PCM - CKP sensor signal
- Crankshaft position sensor