It serves as the brain of the car, managing and monitoring all engine functions to ensure optimal performance and efficiency.

The ECM is a small, rectangular box located underneath the dashboard on the driver's side of the vehicle. It is connected to various sensors and actuators throughout the engine and is responsible for interpreting data from these sensors, making adjustments to fuel and air levels, ignition timing, and more.

One of the key functions of the ECM is to control the fuel injection system. It monitors the engine's temperature, speed, and load, and adjusts the air-fuel mixture accordingly to provide the ideal combustion for maximum power and efficiency.

Additionally, the ECM is responsible for controlling ignition timing, emission control systems, and other crucial functions that affect the overall performance of the vehicle. It also stores error codes in its memory, allowing technicians to diagnose and repair any issues that may arise.

Overall, the engine control module in a Toyota Corolla plays a vital role in ensuring the smooth operation and longevity of the vehicle. With its advanced technology and precision control capabilities, it helps to optimize fuel efficiency, reduce emissions, and provide a reliable driving experience for the driver.

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