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Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE - P0335-CRANKSHAFT POSITION SENSOR CIRCUIT

TEST ACTION APPLICABILITY
1 Start the engine.
With the DRBIII®, read the CKP SYNC State.
Does the DRBIII® display CKP SYNC state IN SYNC?
Yes --> Go To 2
No --> Go To 4		 All
2 Turn the ignition off.
With the DRBIII® lab scope probe and the Miller special tool #6801, back probe the (K44) Camshaft Position (CMP) Sensor Signal circuit in the CMP harness connector.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.

Ignition on, engine not running.
Wiggle the related wire harness and lightly tap on the Cam Position Sensor.
Observe the lab scope screen.
Look for any pulses generated by the CMP Sensor.
Start the engine.
Allow the engine to idle.
Observe the lab scope screen.
Did the CMP Sensor generate any erratic pulses?
Yes --> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 3		 All
3 Turn the ignition off.
With the DRBIII® lab scope probe and the Miller special tool #6801, backprobe the (K24) CKP Signal circuit in the CKP harness connector.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.

Ignition on, engine not running.
Wiggle the related wire harness and lightly tap on the Crank Position Sensor.
Observe the lab scope screen.
Look for any pulses generated by the CKP Sensor.
Start the engine.
Allow the engine to idle.
Observe the lab scope screen.
Did the CKP Sensor generate any pulses?
Yes --> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Test Complete.		 All
4 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K6) 5 Volt Supply circuit in the CKP Sensor harness connector.
Is the voltage between 4.5 and 5.5 volts?
Yes --> Go To 5
No --> Go To 13		 All
5 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (24) CKP Signal circuit in the CKP Sensor harness connector.
Is the voltage between 4.5 and 5.0 volts?
Yes --> Go To 6
No --> Go To 8		 All
6 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.

Measure the resistance of the (K4) Sensor Ground circuit from the CKP Sensor harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
Yes --> Go To 7
No --> Repair the open in the (K4) Sensor Ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
7
NOTE: Inspect the slots on the flywheel for damage. If a problem is found repair as necessary.
If there are no possible causes remaining, view repair.RepairReplace the Crankshaft Position Sensor.Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
8 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K24) CKP Signal circuit in the CKP Sensor harness connector.
Is the resistance below 5.0 ohms?
Yes --> Repair the short to ground in the (K24) CKP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 9		 All
9 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.

Measure the resistance of the (K24) CKP Signal circuit from the CKP Sensor harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
Yes --> Go To 10
No --> Repair the open in the (K24) CKP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
10 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K24) CKP Signal circuit in the CKP Sensor harness connector.
Is the voltage above 5.5 volts?
Yes --> Repair the short to battery voltage in the (K24) CKP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 11		 All
11 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (K24) CKP Signal circuit and the (K6) 5 Volt Supply circuit in the CKP Sensor harness connector.
Is the resistance below 5.0 ohms?
Yes --> Repair the (K24) CKP Signal circuit shorted to the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 12		 All
12
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.RepairReplace and program the Powertrain Control Module in accordance with the Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
13 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K6) 5 Volt Supply circuit in the CKP Sensor harness connector.
Is the resistance below 100 ohms?
Yes --> Repair the short to ground in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 14		 All
14 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.

Measure the resistance of the (K6) 5 Volt Supply circuit from the CKP Sensor harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
Yes --> Go To 15
No --> Repair the open in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
15 Turn the ignition off.
Disconnect the CKP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage on the (K6) 5 Volt Supply circuit in the CKP Sensor harness connector.
Is the voltage above 5.5 volts?
Yes --> Repair the short to battery voltage in the (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 16		 All
16
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.RepairReplace and program the Powertrain Control Module in accordance with the Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
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