KIA PRIDE 2002 Speed Sensor: KKY0117400A

Genuine KIA/OEM Speedometer Gear – KKY0117400A – Made in South Korea. Brand new, top-quality, and competitively priced.

Understanding Your Vehicle’s Speed Sensor

The vehicle speed sensor, often called a speedometer gear, is a vital component within a vehicle’s electronic network. Its primary role is to accurately measure wheel rotation and transmit this data to the Engine Control Module (ECM). This information is crucial for regulating various vehicle systems, including the engine, transmission, braking, and suspension.

• Precise Speed Data: The sensor provides real-time speed information to the ECM. This data is used to optimize engine performance, adjust transmission gearing, and modulate braking force for optimal control.
• Safety System Activation: This sensor plays a key role in activating critical safety features like Anti-lock Braking Systems (ABS), Electronic Stability Control (ESC), and Traction Control Systems (TCS). For instance, the ABS utilizes wheel speed data to precisely adjust braking pressure on individual wheels, preventing wheel lockup.
• Information Hub: The sensor’s data is also relayed to other systems such as the vehicle’s speedometer, trip computer, and GPS navigation system.

Critical Role in Vehicle Operation

The speedometer gear (vehicle speed sensor) is indispensable for a car’s electronic systems. By measuring wheel rotational speed and communicating this to the ECM, it enables precise control and regulation of engine performance, transmission shifting, braking, and suspension adjustments. The sensor’s accurate speed data is fundamental to many aspects of vehicle functionality and safety.

A key benefit is its ability to detect zero speed. It operates by generating a signal via current draw while simultaneously producing a low-current signal for transmission to the ECM. However, neglecting routine vehicle maintenance can lead to sensor malfunction.

Typical installation locations for vehicle speed sensors include the transmission output shaft, wheel hub, or rear axle.

Vehicle Compatibility

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