DTC P0335: Crankshaft Position Sensor - Circuit Malfunction: Reference

To test CKP sensor with an oscilloscope, connect oscilloscope to ECM by backprobing ECM harness connector C99 terminal No. 9 (White wire) and No 19 (Black 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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