Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2011 >> CX-9 Touring, 3.7 V, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (2 Of 5) >> DTC P0315: CKP System Variation Not Learned >> Notes

DTC P0315: CKP System Variation Not Learned: Notes

DTC P0315 CHART (MZI-3.7)

DTC P0315 CKP system variation not learned
DETECTION CONDITION 
  • The PCM is unable to learn and correct for mechanical inaccuracies in the crankshaft pulse wheel tooth spacing. This DTC disables the misfire monitor.
POSSIBLE CAUSE 
  • Crankshaft pulse wheel teeth malfunction
  • CKP sensor malfunction