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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine General Information & Diagnosis >> General Description >> OBD System Description - Misfire Monitor (EVAP Leak Check Model) >> System Description/Monitoring Procedure

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.

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