Dodge ZB 2005 Service Manual page 1218

Symptom:
P0320-NO CRANK REFERENCE SIGNAL AT PCM
When Monitored and Set Condition:
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.
CAM POSITION SENSOR SIGNAL
INTERMITTENT CRANK POSITION SIGNAL
(K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K7) 5-VOLT SUPPLY CIRCUIT OPEN
(K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K24) CKP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K24) CKP SENSOR SIGNAL CIRCUIT OPEN
(K24) CKP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
(K24) CKP SENSOR SIGNAL SHORTED TO (K7) 5-VOLT SUPPLY CIRCUIT
(K900) SENSOR GROUND CIRCUIT OPEN
CRANKSHAFT POSITION SENSOR
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
With the DRBIII , erase DTCs.
Start the engine.
If the DTC does not set right away it may be necessary to test drive the vehicle.
Does the DTC return?
Yes → Go To 2
→ Go To 14
No
2 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K7) 5-volt Supply circuit at the CKP Sensor harness
connector.
Is the voltage between 4.8 and 5.2 volts?
Yes → Go To 3
→ Go To 10
No
POSSIBLE CAUSES
ACTION
97
DRIVEABILITY - GAS
APPLICABILITY
All
All