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A wheel speed sensor is an electronic device used in automotive applications to measure the rotational speed of a vehicle's wheels. Typically made from materials such as plastic and metal, these sensors utilize magnetic or optical technologies to generate signals that correspond to wheel speed. They play a crucial role in various systems, including anti-lock braking systems (ABS) and traction control systems, ensuring vehicle safety and performance.
| Sensor type | Magnetic or optical |
| Operating temperature range | -40°C to 125°C |
| Output signal type | Analog or digital |
| Connection type | Connector or wire harness |
| Mounting type | Bolt-on or press-fit |
When selecting a wheel speed sensor, consider the type of sensor required (magnetic or optical) based on your vehicle's system compatibility. Specify the operating temperature range and the output signal type needed for your application. Additionally, ensure that the mounting type matches your vehicle's specifications. Providing details about the vehicle make, model, and year can help suppliers offer the most suitable options.
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It measures the rotational speed of the wheels to assist in vehicle control systems.
Common signs include ABS warning lights, erratic speedometer readings, or traction control issues.
Yes, if you have basic automotive repair skills and tools, but ensure to follow the vehicle's service manual.
The most common types are magnetic sensors and optical sensors.
Generally, they are low-maintenance, but regular inspections can help identify issues early.
They can last several years, often up to 100,000 miles, depending on driving conditions.