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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P0340: Camshaft Position Sensor "A" Circuit >> Reference signal
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Reference signal

The CMP sensor generates 6 pulses of signals each of which has a different waveform length while the camshaft makes one full rotation. Refer to INSPECTION OF ECM AND ITS CIRCUITS:J24B .

Based on CMP sensor signal and CKP sensor signal, ECM judges which cylinder piston is in the compression stroke.