DTC P0315:00 [MZI-3.7]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0315:00	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