
TEST ACTION APPLICABILITY
8 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Connect one end of a jumper wire to the Crank Position Signal Circuit.
Turn ignition on.
With the DRB, monitor the current CKP state.
Tap the other end of jumper to Sensor ground several times.
Does the CKP state change to present?All
Ye s®Go To 9
No®Go To 10
9 Ignition Off
Remove the Crankshaft Position (CKP) Sensor.
Inspect the Flywheel for damage. (3.0L, 3.3L and 3.8L)
Inspect the Crankshaft Notches for debris or damage.
Is the Flywheel damaged?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Replace the Crankshaft Position Sensor.
Perform Powertrain Verification Test VER-2A.
10 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure resistance of the CKP Signal Circuit to a good ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Crank Position Sensor Signal Circuit for a short to
ground. Note: Check TCM for short.
Perform Powertrain Verification Test VER-2A.
No®Go To 11
11 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CKP Sensor Signal Circuit from
the CKP Sensor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 12
No®Repair the open Crank Position Sensor Signal Circuit.
Perform Powertrain Verification Test VER-2A.
11 0
DRIVEABILITY
P-0320 NO CRANK REFERENCE SIGNAL AT PCM ÐContinued
ProCarManuals.com 

TEST ACTION APPLICABILITY
12 Start the engine.
Wiggle the Wiring Harness from CMP and CKP Sensors to the Powertrain Control
Module.
Did the engine miss or die out when wiggling Wires?All
Ye s®Repair Circuit as necessary where wiggling caused the engine to
miss or die out.
Perform Powertrain Verification Test VER-2A.
No®Go To 13
13 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Go To 14
14 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.All
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-2A.
15 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on with engine not running.
Using a Voltmeter, measure the voltage from 8-Volt Supply Circuit in the CKP Sensor
Connector.
Is the voltage above 7.0 volts?All
Ye s®Replace the Camshaft Position Sensor.
Perform Powertrain Verification Test VER-2A.
No®Go To 16
16 Ignition Off
Disconnect the Crank Position (CKP) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the 8-Volt Supply Circuit from the
CKP Sensor Connector to the PCM Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 17
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-2A.
111
DRIVEABILITY
P-0320 NO CRANK REFERENCE SIGNAL AT PCM ÐContinued
ProCarManuals.com 

Symptom:
P-0340 NO CAM SIGNAL AT PCM
When Monitored and Set Condition:
P-0340 NO CAM SIGNAL AT PCM
When Monitored: During engine cranking, after 64 crank position signals.
Set Condition: If no signal from the cam position sensor is present with crank signal, the
code will set.
POSSIBLE CAUSES
ENGINE DOES NOT START
8-VOLT SUPPLY CIRCUIT OPEN
CAMSHAFT SPROCKET OBSERVABLE DEFECT
CMP SENSOR GROUND CIRCUIT OPEN
CMP SENSOR WIRING HARNESS OBSERVABLE DEFECT
DISTRIBUTOR AND PULSE RING OBSERVABLE DEFECT
CAMSHAFT TARGET MAGNET OBSERVABLE DEFECT
CMP SENSOR DEFECTIVE
CMP SENSOR CONNECTOR OBSERVABLE DEFECT
PCM DEFECTIVE
CMP SENSOR SIGNAL CIRCUIT OPEN
CMP SENSOR SIGNAL CIRCUIT SHORTED TO 8-VOLT SUPPLY
CMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
CMP SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 2.0L
and 2.4L
Ye s®Go To 2
No®Go To 12
2 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 2.0L
and 2.4L
Ye s®Go To 3
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
11 3
DRIVEABILITY
ProCarManuals.com 

TEST ACTION APPLICABILITY
8 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the CMP Sensor Signal Circuit
and the 8-Volt Supply Circuit at the CMP Sensor Connector.
Is the resistance below 5.0 ohms?ENGINE - 2.0L
and 2.4L
Ye s®Repair the CMP Sensor Signal Circuit for a short to the 8-volt
Supply Circuit.
Perform Powertrain Verification Test VER-5A.
No®Go To 9
9 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Signal Circuit from
the CMP Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L
and 2.4L
Ye s®Repair the CMP Sensor Signal Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
10 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the CMP Sensor Signal Circuit
and the Sensor Ground Circuit at the CMP Sensor Connector.
Is the resistance below 5.0 ohms?ENGINE - 2.0L
and 2.4L
Ye s®Repair the CMP Sensor Signal Circuit for a short to the Sensor
ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 11
11 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L
and 2.4L
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
12 Attempt to start the engine if not already running.
Does the engine start?ENGINE - 2.0L
and 2.4L
Ye s®Go To 13
No®Return to symptom list and select symptoms for a no start
condition.
11 5
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
ProCarManuals.com 

TEST ACTION APPLICABILITY
13 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 2.0L
and 2.4L
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
14 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 15
No®Go To 25
15 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 16
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
16 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Ground Circuit from
the CMP Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 17
No®Repair the open CMP Sensor Ground Circuit to the Harness
splice.
Perform Powertrain Verification Test VER-5A.
17 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 18
11 6
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
ProCarManuals.com 

TEST ACTION APPLICABILITY
22 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Signal Circuit from
the CMP Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair the CMP Sensor Signal Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 23
23 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the CMP Sensor Signal Circuit
and the Sensor Ground Circuit at the CMP Sensor Connector.
Is the resistance below 5.0 ohms?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair the CMP Sensor Signal Circuit for a short to the Sensor
ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 24
24 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
25 Attempt to start the engine if not already running.
Does the engine start?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Go To 26
No®Return to symptom list and select symptoms for a no start
condition.
26 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 3.3L V6
and/or ENGINE -
3.8L V6 and/or EN-
GINE - 3.3L V6
FFV
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
11 8
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
ProCarManuals.com 

TEST ACTION APPLICABILITY
27 Ignition On, Engine Not Running.
Using the DRB, read Trouble Codes.
Is the Global Good Trip displayed and equal to 0?ENGINE - 3.0L V6
Ye s®Go To 28
No®Go To 38
28 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Turn ignition on.
Using a Voltmeter, measure the 8-Volt Supply Circuit.
Is the voltage above 7.0 volts?ENGINE - 3.0L V6
Ye s®Go To 29
No®Repair the open 8-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
29 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the CMP Sensor Ground Circuit from
the CMP Sensor Connector to a good ground.
Is the resistance below 5.0 ohms?ENGINE - 3.0L V6
Ye s®Go To 30
No®Repair the open CMP Sensor Ground Circuit to the Harness
splice.
Perform Powertrain Verification Test VER-5A.
30 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out, or miswired?ENGINE - 3.0L V6
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 31
31 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Connect one end of a jumper wire to the CMP Sensor Signal Circuit.
Ignition On, Engine Not Running.
With the DRB, monitor the CMP state while tapping the other end of the jumper to
Sensor Ground.
Does the current CMP state change?ENGINE - 3.0L V6
Ye s®Go To 32
No®Go To 33
11 9
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
ProCarManuals.com 

TEST ACTION APPLICABILITY
36 Ignition Off
Disconnect the Camshaft Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the CMP Sensor Signal Circuit
and the Sensor Ground Circuit at the CMP Sensor Connector.
Is the resistance below 5.0 ohms?ENGINE - 3.0L V6
Ye s®Repair the CMP Sensor Signal Circuit for a short to the Sensor
ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 37
37 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 3.0L V6
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-5A.
38 Attempt to start the engine if not already running.
Does the engine start?ENGINE - 3.0L V6
Ye s®Go To 39
No®Return to symptom list and select symptoms for a no start
condition.
39 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 3.0L V6
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
121
DRIVEABILITY
P-0340 NO CAM SIGNAL AT PCM ÐContinued
ProCarManuals.com