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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1860 (Engine Controls And Fuel - 2.2L (L61) - DTC P0201 To DTC P0651) >> DTC P0315 >> Conditions for Clearing the MIL/DTC

Conditions for Clearing the MIL/DTC

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0315

Step Action Yes No
Schematic Reference: Engine Controls Schematics
Connector End View Reference: Engine Controls Connector End Views or Engine Control Module Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
IMPORTANT: The Crankshaft Position (CKP) System Variation Learn Procedure may have to be repeated up to 5 times before the procedure is learned for various reasons.
Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .Does the scan tool display Learned This Ignition?
Go to Step 4  Go to Step 3 
3 If the CKP system variation learn procedure cannot be performed successfully, inspect for the following conditions:
  • Any worn crankshaft main bearings
  • A damaged reluctor wheel
  • Excessive crankshaft runout
  • A damaged crankshaft-Refer to Crankshaft and Bearings Cleaning and Inspection .
  • Electromagnetic interference (EMI) in the signal circuit of the CKP sensor
  • The ignition switch is in the ON position until the battery is drained
  • An engine control module (ECM) power disconnect with the ignition ON may erase the stored value and set the DTC P0315
  • Any debris between the CKP sensor and the reluctor wheel

Did you find and correct the condition?
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. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
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 System OK