Sensor, Camshaft Position: Operation: Notes
WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
The signal circuit of the Camshaft Position (CMP) sensor (2) has a voltage of approximately 5V. The camshaft has a reluctor wheel bolted to the front of left exhaust camshaft, the CMP signal is approximately 0V. This 0V to 5V signal is used by the Powertrain Control Module (PCM) for detecting ignition TDC of cylinder 1 as the engine rotates. If no signal is supplied by the CMP the vehicle will not start.