Dodge ZB 2005 Service Manual page 1222

Symptom:
P0340-NO CAM REFERENCE SIGNAL AT PCM
When Monitored and Set Condition:
P0340-NO CAM REFERENCE SIGNAL AT PCM
When Monitored: Engine cranking/running.
Set Condition: At least 5 seconds have elapsed with Crankshaft Position Sensor signals
present but no Camshaft Position Sensor signal.
CHECKING INTERMITTENT CMP SIGNAL WITH LAB SCOPE
CRANK POSITION SENSOR SIGNAL
(K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K7) 5-VOLT SUPPLY CIRCUIT OPEN
(K7) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(K44) CMP SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
(K44) CMP SENSOR SIGNAL CIRCUIT OPEN
(K44) CMP SENSOR SIGNAL CIRCUIT SHORTED GROUND
(K44) CMP SENSOR SIGNAL SHORTED TO (K7) 5-VOLT SUPPLY CIRCUIT
(K900) SENSOR GROUND CIRCUIT OPEN
CAMSHAFT POSITION SENSOR
PCM
TEST
1 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 CMP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage on the (K7) 5-volt Supply circuit at the CMP Sensor harness
connector.
Is the voltage between 4.8 and 5.2 volts?
Yes → Go To 3
→ Go To 10
No
POSSIBLE CAUSES
ACTION
101
DRIVEABILITY - GAS
APPLICABILITY
All
All