Vemo V70-72-0049 Sensor, wheel speed

Vemo V70-72-0049 Wheel Speed Sensor

The Vemo V70-72-0049 is a high‑performance wheel speed sensor designed for rear‑wheel applications in a wide range of compact and subcompact vehicles. It delivers precise rotational data to the vehicle’s ABS, traction control, and stability systems, ensuring optimal braking performance and safety.

Key Functionalities

• Accurate Wheel Speed Measurement: Uses a magnetic Hall‑effect principle to detect wheel rotation with high resolution.
• ABS & Traction Control Integration: Provides real‑time data for anti‑lock braking and electronic stability programs.
• Durable Construction: Encased in a robust housing that resists heat, vibration, and corrosion.
• Low Power Consumption: Optimized to draw minimal current from the vehicle’s electrical system.

Compatibility Overview

The sensor is engineered for rear‑wheel mounting on a variety of popular models, including but not limited to:

• CITROËN C1 (both first and second generation)
• PEUGEOT 107 & 108
• TOYOTA Aygo (WNB1/KGB1 variants)
• Other compact cars with similar rear‑wheel configurations.

Its standardized connector and pinout allow for straightforward replacement of OEM units, making it a preferred choice for automotive technicians seeking reliability and ease of installation.

Technical Specifications

Installation Guide

1. Safety First: Disconnect the vehicle’s battery to prevent accidental electrical discharge.
2. Remove Old Sensor: Locate the rear wheel hub, unscrew the sensor mounting bolt, and gently detach the old unit. Note the orientation of the connector for correct placement.
3. Prepare New Sensor: Align the Vemo V70-72-0049 with the mounting hole, ensuring that the magnetic pole faces the wheel’s rotating element.
4. Screw in Place: Tighten the mounting bolt to the manufacturer’s torque specification (typically 15–20 Nm).
5. Reconnect Wiring: Plug the sensor connector into the vehicle’s harness, matching pin configuration exactly. Verify that no pins are bent or misaligned.
6. Re‑connect Battery: Restore power and perform a diagnostic check using an OBD‑II scanner to confirm sensor operation.

Performance Highlights

• High Signal Integrity: Maintains low noise levels even under harsh driving conditions, ensuring reliable ABS activation.
• Rapid Response Time: Detects wheel speed changes within milliseconds, critical for effective braking modulation.
• Long‑Term Reliability: Designed to withstand continuous operation over thousands of miles without degradation.

Quality Assurance & Compliance

The Vemo V70-72-0049 adheres to stringent automotive standards, including ISO 9001 for quality management and ISO/TS 16949 for automotive industry processes. It has undergone extensive testing in temperature cycling, vibration, and electrical noise environments to certify its suitability for production vehicles.

Maintenance Tips

• Inspect the sensor housing periodically for signs of corrosion or physical damage.
• Ensure that the connector pins remain clean; use a contact cleaner if necessary.
• Replace the sensor promptly if diagnostic trouble codes (DTCs) indicate wheel speed irregularities.

Conclusion

The Vemo V70-72-0049 Wheel Speed Sensor exemplifies precision engineering tailored for rear‑wheel applications in compact cars. Its robust construction, accurate signal output, and seamless compatibility with a range of popular models make it an indispensable component for maintaining optimal braking performance and vehicle safety.