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Misfire Monitor (EVAP Leak Check Model)

OBD System Description - Misfire Monitor (EVAP Leak Check Model)

System Description / Monitoring Procedure
ECM measures the angle speed of the crankshaft based on the pulse signal from the CKP sensor and CMP sensor for each cylinder. If it detects a large change in the angle speed of the crankshaft, it concludes occurrence of a misfire. When the number of misfire is counted by the ECM beyond the DTC detecting condition, it determines the cylinder where the misfire occurred and outputs it as DTC.

DTC Description / Detecting Condition / Confirmation Procedure

P0300, P0301, P0302, P0303, P0304
Refer to DTC P0300 / P0301 / P0302 / P0303 / P0304: Random Misfire Detected / Cylinder 1 / Cylinder 2 / Cylinder 3 / Cylinder 4 Misfire Detected. P0300

Misfire Monitor

Operation:




Enable Conditions:




Typical Malfunction Thresholds:





MODE $06 Data

Mode $06 Data:




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