Crankshaft Position System Variation Learn

NOTE:

The Crankshaft Position Variation Learn procedure is also required when the following service procedures have been performed, regardless of whether DTC P0315 is set:

An engine replacement
An engine control module (ECM) replacement
A crankshaft balancer replacement
A crankshaft replacement
A crankshaft position sensor replacement
Any engine repairs which disturb the crankshaft to crankshaft position sensor relationship.

NOTE:

The ECM monitors certain component signals to determine if all the conditions are met to continue with the Crankshaft Position Variation Learn procedure.

Ignition ON, observe the DTC information with a scan tool. Verify no other DTCs are set, except DTCs P0300-P0304, or P0315.
- If DTCs are set, except DTCs P0300-P0304, or P0315, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
Select the Crankshaft Position Variation Learn Procedure with a scan tool and follow the on screen instructions:
Verify DTC P0315 does not set.
- If DTC P0315 set, or another DTC is present refer to Diagnostic Trouble Code (DTC) List - Vehicle for the applicable DTC that set.
- If the DTC does not set
All OK.