LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2005 >> DeVille Protection Series >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (DTC P0138 To P0412) >> Diagnostic Information & Procedures >> DTC P0315 >> Conditions for Clearing the MIL/DTC

Conditions for Clearing the MIL/DTC

DTC P0315

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
IMPORTANT: The Crankshaft Position Learn Variation procedure may have to be repeated up to 5 times before the procedure is learned for various reasons.
Perform the Crankshaft Position (CKP) System Variation Learn procedure. Refer to CKP System Variation Learn Procedure .Does the scan tool display Learned this ignition?
Go to Step 4  Go to Step 3 
3 Inspect for the following conditions:
  • Worn crankshaft main bearings
  • Debris between the CKP sensor and the reluctor wheel
  • A damaged reluctor wheel
  • Excessive crankshaft runout
  • A damaged crankshaft - Refer to Crankshaft Balancer Cleaning and Inspection in Engine Mechanical.
  • Electromagnetic interference (EMI) in the signal circuit of the CKP sensor
  • The ignition switch is in the ON position until the battery has insufficient system voltage.
  • A powertrain control module (PCM) power disconnect with the ignition ON may erase the stored value and set the DTC P0315.

Did you complete the inspection?
Go to Step 4  -
4
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Did the DTC fail this ignition?
Go to Step 2  Go to Step 5 
5 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?
Go to Diagnostic Trouble Code (DTC) List - Vehicle in Vehicle DTC Information System OK