DTC P0320: CKP Sensor Circuit Malfunction: Condition
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when Powertrain Control Module (PCM) receives 2 consecutive erratic signals from Crankshaft Position (CKP) sensor. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- CKP sensor malfunction.
- CKP sensor dirty.
- Short or open circuit between CKP sensor and PCM.
- CKP sensor reluctor malfunction.