DTC P0337: Crankshaft Position Sensor "A" Circuit Low Input; DTC P0338: Crankshaft Position Sensor "A" Circuit High Input [07/2020 - ]: Description

Refer to DTC P0335.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory
P0337	Crankshaft Position Sensor "A" Circuit Low Input	Output voltage of crankshaft position sensor less than 0.3 V for 4 seconds (1 trip detection logic).	Open or short in crankshaft position sensor circuit Crankshaft position sensor ECM	Comes on	DTC stored
P0338	Crankshaft Position Sensor "A" Circuit High Input	Output voltage of crankshaft position sensor higher than 4.7 V for 4 seconds (1 trip detection logic).	Open or short in crankshaft position sensor circuit Crankshaft position sensor ECM	Comes on	DTC stored

Reference: Inspection using an oscilloscope.

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HINT:

The correct waveform is as shown in illustration.