Circuit/System Testing
IMPORTANT:
The CKP System Variation Learn Procedure may have to be repeated up to 5 times before the procedure is learned.
Perform the Crankshaft Position System Variation Learn .
- If the scan tool displays NOT learned this ignition, inspect for the following conditions:
- A worn or damaged crankshaft or crankshaft bearings
- Debris between the CKP sensor and the reluctor wheel
- A damaged reluctor wheel
- Excessive crankshaft runout
- Any interference of the CKP sensor or CKP sensor signal to the control module
- If the control module is unable to complete the learn procedure, replace the control module.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.