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What is the purpose of the Ford CAN?

2 Answers

LeoFitz

07/25/25 4:15pm

Ford CAN is the button to deactivate cruise control. The cruise control button allows the driver to maintain the vehicle's speed automatically without pressing the accelerator pedal, enabling the car to drive at a fixed speed. Taking the Ford Explorer as an example, its length, width, and height are 5064mm, 2005mm, and 1798mm respectively, with a wheelbase of 2860mm, a minimum ground clearance of 193mm, and a curb weight of 2118kg. The Ford Explorer is equipped with a 2.3L turbocharged engine and a 6-speed automatic transmission, delivering a maximum horsepower of 276 PS, a maximum power of 203 kW at 5500 rpm, and a maximum torque of 410 Nm at 3500 rpm.

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NoraRose

08/11/25 9:44pm

As an engineer who works with cars all day, I have to say the CAN bus in Ford vehicles is like the nervous system of the entire car. It connects components such as the engine control unit, transmission module, and instrument cluster into a local area network, allowing real-time data exchange between different devices. For example, when you press the accelerator, the throttle pedal sensor sends the signal via CAN to the engine control unit, and the tachometer numbers jump accordingly. The most impressive thing about this system is its strong anti-interference capability—despite the complex electromagnetic environment in a car, the twisted-pair design ensures stable signal transmission. However, if the CAN bus shorts out, a bunch of warning lights can illuminate on the dashboard. By the way, the adaptive headlight function in modern cars, which adjusts the headlights based on steering angle, also relies on CAN to coordinate between the steering angle sensor and the headlight module.

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