P0338

P0338 - Crankshaft Position Sensor Circuit High Input






General 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. 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. The ECM calculates engine RPM by using the sensor's signal and controls the injection duration and the ignition timing. The engine will stop if the signals from the sensor to the ECM are lost.

DTC Description
If the output voltage of CKPS & CMPS is satisfied with the threshold value, the ECM determines that a fault exists and a DTC is stored.

Detecting Condition





Wiring Schematic








Signal Waveform