The function of an automotive camshaft position sensor is to monitor the position and speed of the camshaft in an internal combustion engine. It typically uses a magnetic or optical sensor to detect the position of the camshaft's lobes or target rings. The sensor provides this data to the engine control unit (ECU), which uses it to determine the position of the engine's valves. This information is crucial for the ECU to accurately control fuel injection timing, ignition timing, and other engine functions.
The function of an automotive camshaft position sensor (CMP sensor) is to monitor the rotational position of the camshaft in a vehicle's engine. The CMP sensor provides input to the engine control unit (ECU) or powertrain control module (PCM) to determine the precise timing of fuel injection, ignition timing, and valve operation. It plays a critical role in ensuring the engine operates efficiently and accurately by providing the necessary information for the ECU/PCM to make adjustments to the fuel mixture and ignition timing based on engine speed and load. With this information, the CMP sensor allows for optimal performance, fuel economy, and reduced emissions.