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The sensor has an input port to measure the hydraulic braking pressure and an electrical connector output for a wire connection for feeding the warning light. Some brake failures do not trip the sensor into a fault mode. A brake fluid pressure sensor is used in anti-lock braking system (ABS). ABS fault lights come on with unexpected wheel lock ...
There is a speed sensor on all four wheels and a separate valve for each of the front wheels, but only one valve for both of the rear wheels. Older vehicles with four-wheel ABS usually use this type. 3) Three-channel, three-sensor ABS This scheme, commonly found on pickup trucks with four-wheel ABS, has a speed sensor and a valve for each of ...
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 ...
Print/export Download as PDF; ... Vehicle speed sensor; Water-in-fuel sensor; Wheel speed sensor; ABS sensors; Chemical. Breathalyzer; Carbon dioxide sensor;
Collision avoidance by braking is appropriate at low vehicle speeds (e.g. below 50 km/h (31 mph)), while collision avoidance by steering may be more appropriate at higher vehicle speeds if lanes are clear. [3] Cars with collision avoidance may also be equipped with adaptive cruise control, using the same forward-looking sensors.
The Sensotronic Brake Control (SBC) system allows for precise control of brake pressure at each wheel, enabling the use of stability control methods such as Anti-lock Braking System (ABS) and Electronic Stability Program (ESP). On some vehicles, the system incorporates features designed to enhance driver convenience, including:
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DOT 5.1 fluids are specified with low viscosity over a wide range of temperatures, although not all cars fitted with ABS or ESP specify DOT 5.1 brake fluid. [14] For a faster reaction of the ABS and ESP systems, DOT 4 and DOT 5.1 brake fluids exist with low viscosity meeting the maximum 750 mm 2 /s viscosity at −40 °C (−40 °F) requirement ...