P0343

P0343 - Camshaft Position Sensor High Input






General Description
The Camshaft Position Sensor (CMPS) is a sensor that detects the compression TDC of the No. 1 cylinder. The CMPS consists of a hall type sensor and a target on the end of the intake camshaft. When the target triggers the sensor, the sensor voltage is 5V. If not, the sensor voltage is 0V. These CMPS signal is sent to the ECM and the ECM uses the CMPS signal for synchronizing the firing of sequential fuel injectors.

DTC Description
If the output voltage of CMPS remains high when the change of CKPS output voltage is zero, the ECM determines that a fault exists and a DTC is stored.

Detecting Condition





Wiring Schematic








Signal Waveform