CAMC Truck Vehicle Speed ​​Sensor 1721P1E624A0

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CAMC truck Vehicle Speed ​​Sensor 1721P1E624A0

It acquires and outputs vehicle speed signals in real-time and with high precision, supporting vehicle instrumentation displays, safety systems, and intelligent control.

FUNCTION

1. Real-time Vehicle Speed ​​Detection and Signal Output: The sensor detects the rotation of gears or magnetic rings located on the transmission output shaft or driveshaft, generating pulsed electrical signals. The output frequency is directly proportional to the vehicle's speed, providing precise speed data to ensure the dashboard speedometer displays real-time readings.

2. Mileage Accumulation and Recording:It calculates distance traveled and supports the display and storage of both total mileage and trip mileage, facilitating driver monitoring, maintenance record-keeping, and used-vehicle valuation.
3. Providing Speed ​​Reference Signals to Multiple Systems:
ABS (Anti-lock Braking System): The vehicle speed signal is used to detect discrepancies in wheel speeds, thereby preventing wheel lock-up or skidding.
Cruise Control: Serves as a feedback input to maintain a set vehicle speed.
Speed ​​Limiter/Overspeed Warning: Triggers an alarm or limits engine power output when regulatory speed limits are exceeded.
ECU (Engine Control Unit): Utilized for shift logic, fuel injection adjustments, torque control, and other engine management functions.
Other Systems: Reliable vehicle speed signals are also essential for systems such as ESP (Electronic Stability Program), driver fatigue monitoring, and remote telematics (T-BOX).
This technology enhances overall vehicle safety, fuel efficiency, and intelligence; conversely, a failure of this sensor often results in cascading malfunctions across multiple interconnected systems.

Advantages

1. High Precision and Signal Stability: The output pulse signal exhibits minimal error and rapid response to vehicle speed changes, ensuring that the instrument display is real-time, lag-free, and stable.
2. Exceptional Durability and Environmental Adaptability: Features a wide operating temperature range, high resistance to extreme heat and cold, and robust resistance to vibration and shock, coupled with a high degree of ingress protection.
3. Multi-System Interoperability: Enables reliable signal reception across various systems-including ABS, cruise control, speed limiters, ECUs, and T-BOX units-thereby preventing cascading failures (such as unintended speed limiter activation, ABS warning light illumination, or abnormal gear shifting).

DETAILS

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