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32.62 GBP
ABS 30044 Wheel Speed Sensor
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Overview
The ABS 30044 Wheel Speed Sensor is a precision component designed to monitor the rotational speed of a vehicle’s wheel. By providing real‑time data to the Anti‑Lock Braking System (ABS), it enables safe braking under various road conditions, preventing wheel lockup and maintaining steering control.
Key Functions
- Speed Detection: Measures wheel revolutions per minute (RPM) with high accuracy.
- Signal Generation: Converts mechanical rotation into an electronic signal for the ABS module.
- Temperature Resilience: Operates reliably across a wide temperature range typical of automotive environments.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 30044 |
| Sensor Type | Hall‑Effect / Inductive (depending on variant) |
| Operating Voltage | 12 V DC |
| Signal Output | Square wave, 5–10 kHz typical frequency range |
| Temperature Range | -40 °C to +125 °C |
| Mounting Type | Standard wheel hub mounting with integrated sensor housing |
| Dimensions (approx.) | Length: 30 mm, Width: 20 mm, Height: 15 mm |
| Weight | ≈50 g |
| Connector Type | 4‑pin circular connector (standard automotive) |
| Compliance | ISO 26262 functional safety, ISO 9001 quality management |
Compatibility and Applications
The ABS 30044 is engineered for use in a wide range of passenger vehicles, including:
- BMW models (e.g., 5 Touring)
- Various European and Asian automotive platforms that employ the 30044 sensor code
- Commercial vehicles where robust wheel‑speed monitoring is required
Its standardized mounting interface allows seamless integration with existing ABS modules, ensuring minimal modification during installation.
Installation Guide
- Preparation: Disconnect the vehicle’s battery to prevent electrical hazards.
- Remove Old Sensor: Unscrew the wheel hub assembly and carefully detach the existing sensor, noting its orientation.
- Install New Sensor: Align the ABS 30044 with the mounting points on the hub. Secure it using the provided fasteners.
- Connect Wiring: Attach the 4‑pin connector to the vehicle’s harness, ensuring correct pin alignment (typically: ground, power, signal, and optional reference).
- Reassemble: Reinstall the wheel hub assembly and torque the bolts to manufacturer specifications.
- Testing: Reconnect the battery. Use an OBD‑II scanner or ABS diagnostic tool to verify sensor output and confirm no fault codes are present.
Features and Advantages
- High Reliability: Designed for long service life under harsh automotive conditions.
- Low Power Consumption: Efficient operation reduces load on the vehicle’s electrical system.
- Compact Design: Small footprint facilitates installation in tight hub spaces.
- Robust Signal Integrity: Maintains accurate wheel‑speed data even under vibration and electromagnetic interference.
Maintenance Tips
- Inspect the sensor housing for cracks or corrosion periodically.
- Check connector pins for oxidation; clean with isopropyl alcohol if necessary.
- Avoid exposing the sensor to excessive moisture; ensure proper sealing during installation.
- Replace the sensor promptly if diagnostic tools flag irregular signal patterns or ABS fault codes related to wheel speed.
Troubleshooting Common Issues
| Symptom | Possible Cause | Recommended Action |
|---|---|---|
| No ABS activation during braking | Faulty sensor or disconnected wiring | Verify connector integrity and test signal output with a multimeter. |
| Erratic wheel‑speed readings | Interference from nearby electronic components | Check for loose shielding; ensure proper grounding. |
| ABS fault code P0xxx (wheel speed) | Sensor failure or damaged wiring harness | Replace the sensor and inspect the harness for damage. |
Conclusion
The ABS 30044 Wheel Speed Sensor delivers precise, reliable wheel‑speed data essential for effective ABS operation. Its robust construction, standardized interface, and compatibility with a broad range of vehicle platforms make it an indispensable component for maintaining vehicle safety and performance.
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 22.48 EUR  21.38 EUR  18.22 EUR |
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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 30044 |
| MPN | ABS All Brake Systems 30044 |
| ID | 8287755 |
| Dimensions / Weight | |
| Key Features | |
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