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Home >> Suzuki >> 2006 >> Forenza Base, 4D Wagon, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Performance - DTC P0171 - P0352 >> DTC P0315: Crankshaft Position (CKP) System Variation Not Learned >> Troubleshooting
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DTC P0315: Crankshaft Position (CKP) System Variation Not Learned: Troubleshooting

TROUBLESHOOTING CHART

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD II) System Check.
Is the system check complete?		 - Go to Step 2 Go to On-Board Diagnostic (OBD II) System Check
2
  1. Turn the ignition OFF.
  2. Install a scan tool to the Data Link Connector (DLC).
  3. Put the vehicle in PARK or NEUTRAL.
  4. Start the engine and operate to normal operating temperature.
  5. Turn all accessories OFF.
  6. Enable the TEC (Tooth Error Correction) LEARN PROCEDURE with the scan tool.
  7. Raise the engine RPM to the specified value, then release the throttle as soon as the engine cuts out.

Does the scan tool indicate that the Crankshaft Position (CKP) system variation has been learned?		 65 °C (149 °F) 4, 000 rpm Go to Step 5 Go to Step 3
3 Attempt the CKP system variation procedure as many times as the specified value.
Does the scan tool indicate that the CKP system variation has been learned?		 10 Go to Step 5 Go to Step 4
4 Check for a problem with the CKP sensor to crankshaft relationship.
Is the repair complete?		 - Go to Step 5 -
5
  1. Turn the ignition OFF and wait above specified value.
  2. Turn the ignition ON, with engine OFF.
  3. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  4. Start the engine and idle at normal operating temperature.
  5. Operate the vehicle within the conditions for setting this DTC as supported in the text.

Does the scan tool indicate that this diagnostic ran and passed?		 10 sec. Go to Step 6 Go to Step 2
6 Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?		 - Go to applicable DTC table System OK
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