Upon holding the throttle open, the engine speed will increase and decrease in cycles
at approximately one cycle per second. The cycles are repeated until the crankshaft
position adaption is complete.
Adaption is typically completed after the fourth cycle.
You will be prompted to close the throttle when adaption has completed.
The diagnostic tool will allow the test to operate with the throttle held open for a
maximum of 10 seconds (approximately 10 cycles). If adaption is not completed in this
time, the test will stop and you will be prompted to close the throttle and turn the
ignition OFF. Note any on-screen messages and investigate the cause before
attempting to restart the test.
5. Close the throttle when prompted by the diagnostic tool.
6. Note the results of the adaption and follow the on-screen instructions.
7. Click Finish.
8. Turn the ignition OFF as prompted by the diagnostic tool and wait for 60 seconds for
the Engine ECM to fully power down.
Final Steps
Successful crankshaft position adaption can be verified as follows:
1. Turn the ignition ON.
2. Navigate to ENGINE DIAGNOSTICS - Read DTCs.
3. Check that DTC P0315 has cleared.
4. Check that the MIL light goes out when the engine is started.
The presence of other DTCs may cause the MIL light to remain illuminated. Where this
is the case, rectify and erase any other stored DTCs as necessary.
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