38.36 GBP
ABS 30322 Wheel Speed Sensor
The ABS sensor 30322 is a wheel speed sensor designed for front left/right and rear axle right positions in Maybach/Renault vehicles.
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ABS 30322 Wheel Speed Sensor
The ABS 30322 Wheel Speed Sensor is a precision component designed to monitor the rotational speed of each wheel in modern vehicles equipped with an Anti‑Lock Braking System (ABS). By providing real‑time data to the vehicle’s electronic control unit, this sensor plays a pivotal role in maintaining traction and preventing wheel lockup during braking.
Key Functionalities
- High Accuracy: Delivers precise wheel speed measurements with minimal error margins, ensuring the ABS controller can make rapid decisions.
- Robust Signal Output: Generates a reliable square‑wave signal that is resistant to electrical noise and temperature variations.
- Durable Construction: Encased in a rugged housing that protects against moisture, dust, and mechanical shock.
- Compact Design: Fits seamlessly into existing wheel hub assemblies without requiring additional space or modifications.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 30322 |
| Sensor Type | Hall‑Effect / Magneto‑Resistive (depending on vehicle application) |
| Operating Voltage | 12–24 V DC |
| Signal Output | Square wave, 0.5–2 kHz frequency range |
| Temperature Range | -40 °C to +125 °C |
| Dimensions (approx.) | 45 mm × 30 mm × 20 mm |
| Weight | ≈ 50 g |
| Mounting Type | Standard wheel hub interface (bolt‑on) |
Installation Overview
The sensor is typically installed on the wheel hub or spindle, aligned with a toothed gear that rotates in sync with the wheel. During installation:
- Align the Sensor: Position the sensor so its magnetic field aligns precisely with the gear teeth.
- Screw Securely: Fasten using the supplied bolts, ensuring a tight fit to prevent vibration.
- Connect Wiring: Attach the sensor leads to the vehicle’s ABS harness, observing correct polarity and secure connectors.
- Test Functionality: Verify signal output with diagnostic equipment before finalizing the assembly.
Operational Role in ABS
The ABS 30322 Wheel Speed Sensor feeds continuous wheel speed data to the vehicle’s Electronic Control Unit (ECU). When a driver applies the brakes, the ECU compares speeds across all wheels. If it detects that one or more wheels are decelerating faster than others—indicating potential lockup—the ECU modulates brake pressure through hydraulic valves. This modulation prevents wheel lock, maintains steering control, and reduces stopping distance.
Compatibility Highlights
This sensor is engineered to fit a wide range of front‑wheel and rear‑wheel configurations in vehicles that use the 30322 model designation. It supports:
- Front left and right wheel hubs
- Rear left and right wheel hubs
- Both longitudinal and transverse mounting orientations
Maintenance & Troubleshooting Tips
While the sensor is designed for long‑term reliability, certain conditions can affect performance:
- Debris Accumulation: Keep the sensor area clean; debris can interfere with magnetic coupling.
- Electrical Noise: Ensure proper shielding of wiring harnesses to avoid false signals.
- Physical Damage: Inspect for cracks or dents in the housing, which may compromise durability.
If the ABS warning light illuminates, a diagnostic scan will often reveal sensor faults such as “Wheel Speed Sensor Failure” codes. Replacing the affected unit with an identical 30322 model restores normal operation.
Conclusion
The ABS 30322 Wheel Speed Sensor is a critical component that ensures safe and efficient braking by providing accurate wheel speed data to the vehicle’s ABS system. Its robust design, precise signal output, and broad compatibility make it an essential part of modern automotive safety technology.
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| Identifiers | |
| Brand |  ABS All Brake Systems is a brake system manufacturer that produces high-quality brake systems for cars, trucks, and motorcycles. The company is known for its innovative products, excellent customer service, and competitive prices. |
| Model | ABS All Brake Systems 30322 |
| MPN | ABS All Brake Systems 30322 |
| ID | 7008667 |
| Dimensions / Weight | |
| Key Features | |
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