P0335

DTC P0335 Crankshaft Position Sensor Circuit Malfunction

DESCRIPTION




The Crankshaft Position Sensor (CKPS) is a hall effect type sensor that generates voltage using a sensor and a target wheel mounted on the crankshaft; there are 58 slots in the target wheel where one is longer than all the others. When the slot in the wheel aligns with the sensor, the sensor voltage outputs low. When the metal (tooth) in the wheel aligns with the sensor, the sensor voltage outputs high. During one crankshaft rotation there are 58 rectangular signals and one longer signal. The ECM calculates engine RPM by using the sensor's signal and controls the injection duration and the ignition timing. Using the signal differences caused by the longer slot, the ECM identifies which cylinder is at top dead center.

DTC Detecting Condition:

Schematic Diagram:

Signal Waveform:

Step 1 - 3:

Step 4 - 6:

Step 6 (continued):

INSPECTION PROCEDURE