Detection Condition
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
If PCM does not receive input voltage from Crankshaft Position (CKP) sensor for 4.2 seconds while MAF is 0.36 lb./min. (2.7 grams/sec.) or more, PCM determines CKP sensor circuit has a malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction conditions during first drive cycle. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.