DTC P0335: Crankshaft Position Sensor - Circuit Malfunction: Reference
WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
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
.
Courtesy of SUZUKI OF AMERICA CORP.