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The wheel speed sensor was initially used to replace the mechanical linkage from the wheels to the speedometer, eliminating cable breakage and simplifying the gauge construction by eliminating moving parts. These sensors also produce data that allows automated driving aids like ABS to function.
If the speed sensor detects lock up at any individual wheel, the control module pulses the valve for both wheels on that end of the car. 5) One-channel, one-sensor ABS This system is commonly found on pickup trucks, SUVs, and vans with rear-wheel ABS. It has one valve, which controls both rear wheels, and a one-speed sensor, located in the rear ...
Generally, the main hardware for traction control and ABS are mostly the same. In many vehicles, traction control is provided as an additional option for ABS. Each wheel is equipped with a sensor that senses changes in its speed due to loss of traction. The sensed speed from the individual wheels is passed on to an electronic control unit (ECU).
During heavy braking, preventing wheel lock-up helps the driver maintain steering control. Four channel ABS systems have an individual brake line for each of the four wheels, enabling different braking pressure on different road surfaces. Three channel systems are equipped with a sensor for each wheel, but control the rear brakes as a single ...
The data from the yaw sensor is compared with the data from the steering wheel angle sensor to determine regulating action. [47] A lateral acceleration sensor that measures the vehicle's lateral acceleration. This is often called an accelerometer. Wheel speed sensors that measure wheel speed. Other sensors can include:
the stroke sensor measures the pedal movement to identify a "panic stop" condition; The pressure transducer provides the brake force desired. The Brake Control Unit (computer) detects the inputs, and then checks the wheel speed sensors to determine vehicle speed, and to determine if a wheel lockup requires the ABS algorithm.
Innova 5610. For an OBD-II scanner with a wider range of diagnostic capabilities, we were impressed by the testing functions, bidirectional control and additional diagnostic suggestions of the ...
Water-in-fuel sensor; Wheel speed sensor; ABS sensors; Chemical. Breathalyzer; Carbon dioxide sensor; Carbon monoxide detector; Catalytic bead sensor;
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