Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

P0315-NO CRANK SENSOR LEARNED DIAGNOSTIC TEST REFERENCE

TEST	ACTION	APPLICABILITY
1	NOTE: Check for any TSBs that may apply to this symptom. Ignition on, engine not running.With the DRBIII®, clear DTCs, PCM battery disconnect to reset the PCM.Start the engine.If the MIL has not yet illuminated, test drive the vehicle to try to get the code to reset.Does the code reset while cranking or during the test drive?Yes --> Go To 2No --> Refer to the INTERMITTENT CONDITION SYMPTOM .Perform POWERTRAIN VERIFICATION TEST VER - 5 .	All
2	Turn the ignition off. Visually inspect the CKP wire harness. Look for any chafed, pierced, pinched, or partially broken wires. Visually inspect the CKP wire harness connectors. Look for broken, bent, pushed out, or corroded terminals. Make sure the Crankshaft Position Sensor is properly installed and the mounting bolt(s) is properly torqued to specification. Were any of the above conditions present? Yes --> Repair as necessary Perform POWERTRAIN VERIFICATION TEST VER - 5 . No --> Go To 3	All
3	Remove the Crankshaft Position Sensor. Inspect the Tone Wheel/Flex Plate slots for damage, foreign material, or excessive movement. Were any problems found? Yes --> Repair or replace the Tone Wheel/Flex Plate as necessary. Perform POWERTRAIN VERIFICATION TEST VER - 5 . No --> Go To 4	All
4	If there are no possible causes remaining, view repair. Repair Replace the Crankshaft Position Sensor. Perform POWERTRAIN VERIFICATION TEST VER - 5 .	All