Many cars today come equipped with a knock sensor, which is a device that helps the car determine if something is knocking or banging against the car. If the knock sensor detects a knock or bang, it sends a signal to the car’s computer, telling it to start the engine or turn on the lights.
What is a Knock Sensor?
The knock sensor is a device that is typically located on the front or rear of a car. It detects when the car is hit from behind, and will then activate the alarm system to warn the driver.
How Does a Knock Sensor Work?
Knock sensors are used in many different types of vehicles. They are primarily used to disable the engine if someone is trying to start the car without permission. Knock sensors work by detecting when someone is knocking on the door or hood of the car. If the sensor detects a knock, it will send a signal to the engine control module (ECM) that tells it to disable the engine.
What to do if Your Car has a Knock Sensor
Knock sensors detect when someone is bumping your car, typically in an attempt to steal it. If the sensor detects a knock, it will trigger the car’s alarm. This can help deter thieves and keep your car safe.
Conclusion
Knock sensors are important safety features on many cars, and for good reason. If your car’s knock sensor detects excessive knocking or shaking from the engine, it will disable the engine to prevent accidents. Knowing how to use a knock sensor is an essential skill for people who drive vehicles with them, so be sure to keep up with your auto maintenance schedule in order to keep your car safe and running smoothly.