DTC P0335: Crankshaft Position Sensor - Circuit Malfunction: Reference

Backprobing at ECM, connect oscilloscope between ECM connector C20 terminal No. 3 (White wire) and 11 (Black wire). See Figure . Compare CKP sensor waveform, to waveform in illustration. See Fig 1 .

Fig 1: Identifying Crankshaft Position Sensor Waveforms

Courtesy of SUZUKI OF AMERICA CORP.