Detailed Functions of All Engine Sensors

1 Answers
KarterRose
07/29/25 8:06pm
Here are the detailed functions of all engine sensors: 1. Function of the crankshaft position sensor: The most important sensor in the computer-controlled ignition system, its role is to detect top dead center signals, engine speed signals, and crankshaft angle signals. These signals are input into the computer to control the ignition sequence of the cylinders and issue the optimal ignition timing command. 2. Function of the camshaft position sensor: It collects the position signal of the valve camshaft and inputs it into the ECU, enabling the ECU to identify the top dead center of the compression stroke of cylinder 1, i.e., providing the cylinder identification signal (the cylinder identification signal is the sole basis for the ECU to perform fuel injection timing and sequential control). This allows for sequential fuel injection control, ignition timing control, and knock control, and is also used to identify the first ignition timing.
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