The ECM acts as the primary computer for the car's engine, managing and regulating various functions to ensure optimal efficiency and performance.

One of the key functions of the ECM is to monitor and control the fuel injection system. By constantly analyzing data from sensors located throughout the engine, the ECM is able to adjust the fuel-to-air ratio in real-time, ensuring that the engine runs smoothly and efficiently. This not only improves overall performance but also helps to reduce emissions and fuel consumption.

In addition to managing the fuel injection system, the ECM also controls the ignition timing, idle speed, and various other engine functions. By making precise and instantaneous adjustments based on data from sensors, the ECM is able to optimize performance and efficiency under all driving conditions.

The ECM in the Toyota Camry is also equipped with diagnostic capabilities, allowing it to detect and alert the driver to any potential issues or malfunctions in the engine. This proactive approach helps to prevent major problems from occurring and ensures that the vehicle remains in top condition.

Overall, the engine control module in the 2021 Toyota Camry is a crucial component that plays a vital role in the performance, efficiency, and overall operation of the vehicle. Its advanced technology and precise control make it an essential part of the modern automobile, ensuring a smooth and enjoyable driving experience for the driver.

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