Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
NOTE:
The Crankshaft Position System Variation Learn Procedure may have to be repeated up to 5 times before the procedure is successful.
- Perform the Crankshaft Position Reluctor Wheel Learn
procedure up to 5 times or until the scan tool displays Learned Successful.
- If the scan tool does not display Learned Successful
- Inspect for the following conditions:
- Worn crankshaft main bearings
- A damaged or misaligned reluctor wheel
- Excessive crankshaft runout
- A damaged crankshaft-Refer to Crankshaft and Bearing Cleaning and Inspection .
- Interference in the signal circuit of the crankshaft position sensor
- The ignition switch is in the ON position until there is insufficient system voltage.
- An ECM power disconnect with the ignition ON that may have erased the crankshaft position system variation values and set DTC P0315
- Debris between the crankshaft position sensor and the reluctor wheel
- If a condition is found, repair as necessary.
- If a condition is not found, replace the K20 Engine Control Module.
- If the scan tool displays Learned Successful
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
- Verify the DTC is not set.
- If the DTC sets
Refer to step 1.
- If the DTC does not set
- If the DTC sets
- All OK.