DTC P0335: Crankshaft Position Sensor - Circuit Malfunction: Reference

To test CKP sensor with an oscilloscope, backprobe between ECM harness connector C45 terminals No. 9 (Black/Red wire) and No. 19 (Brown wire). See Figure. Compare CKP sensor waveform, to waveform in illustration. See Fig 1.

Fig 1: Identifying Crankshaft Position Sensor Waveform

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