PAT RHF Wheel Speed Sensor WSS-106
Part Number: WSS-106
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Click & Collect will be from Mount Druitt NSW only. Monday-Friday 9am-4pm
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Delivery
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Product Description
Pat ABS Wheel Speed Sensor (1) WSS-106 RHF
Wheel speed sensors, originally introduced for Anti-Lock Braking Systems (ABS), are now integral to numerous modern vehicle systems. With a focus on safety and customer demand, these sensors have become essential for the operation of intelligent safety systems and other vital vehicle functions.
- Advanced data transmission systems like the Controller Area Network (CAN) allow multiple control units to utilise wheel speed sensor data.
- Crucial for driving safety, influencing systems such as ABS, TCS (Traction Control System), ESC (Electronic Stability Control), ADAS (Advanced Driver Assist System), and ACC (Adaptive Cruise Control).
- Supports engine management, transmission control, and navigation systems.
- Significantly impacts vehicle dynamics, driving comfort, safety, emissions, and fuel consumption.
Types of Wheel Speed Sensors
Wheel speed sensors come in two types: passive (inductive) and active.
Passive/Inductive Wheel Speed Sensors
- Inductive analogue types that do not require an external power supply.
- Consist of a wire coil wound around a soft iron core, connected to a permanent magnet.
- Detects the rotation of the wheel hub or drive shaft by altering the sensor's magnetic field.
- Can become inaccurate at low speeds and are sensitive to positioning and damage during maintenance.
Active Wheel Speed Sensors
- Digital hall sensor types with integrated electronics, requiring a power supply from the ABS module.
- Generate a digital signal and may have 2 or 3 terminals.
- Triggered by opposing magnets around a multipole ring (encoder) or a toothed ring.
- Encoders can be located inside the wheel bearing, on the wheel bearing, or on the wheel carrier.
Advantages of Active Sensors:
- Accurate wheel speed detection from stationary, crucial for traction control and hill descent control.
- Smaller and lighter design.
- Insensitive to vibration and temperature fluctuations.
- Less sensitivity to changes in air gap.
- Reduced electromagnetic interference.
- Ability to detect forward and reverse movement.
Symptoms of a Faulty Wheel Speed Sensor:
- Multiple warning lights displayed on the dashboard.
- Wheels locking during braking.
- Pulsation of the brake pedal.
- Erratic or no speedometer operation.
- Other seemingly unrelated system failures.
Troubleshooting and Diagnostics:
When diagnosing a faulty wheel speed sensor, it is crucial to determine if it is inductive or active. Active sensors, common since the late 90s, offer superior accuracy at low speeds and can indicate reverse rotation. If unsure about the sensor type, refer to the vehicle manufacturer’s specifications and procedures.
For effective diagnosis, follow these steps:
- Use a suitable diagnostic tool to read fault codes.
- Inspect the wiring for damage or breaks.
- Inspect the mechanical assemblies for issues.
- Check the output signal using a scope or suitable diagnostic tool.
- Check the supply voltage for active sensors.
- Check the sensor resistance for inductive sensors.
12 Months Warranty
* For correct fitment ensure the vehicle is listed in the compatibility list AND read any notes associated with the product. If there are no vehicle details listed, please send a message.
Item Specifications
| Placement On Vehicle | RHF |
| Warranty | 12 Months |
| Position On Vehicle | RHF |
About this brand
Note: This item may not come in the manufacturers original packaging
Unfortunately, over the past few years, the Australian aftermarket has seen a significant increase in lower quality EFI and Engine Management products. It is easy for consumers and even technicians to be confused as to the quality of the products in the market. Because the issues experienced by workshops installing low quality parts can include safety, expensive repairs and damage to your reputation an increased request for quality products has become evident in the aftermarket.
Sometimes products shipped from leading manufacturers overseas require repackaging in Australia. In these cases we have begun to use a new range of premium packaging to enable easy identification of the premium brand or genuine product. Where required products from leading manufacturers including Pierburg, Bosch, Delphi, VDO, Denso, Valeo, Hitachi, VDO, TI Automotive, Walbro, Bougicord, FAE, Standard Motor Products, TE Automotive, Hella, Bremi and others may be supplied in the new PAT Premium Range packaging, giving you peace of mind that a quality brand product is enclosed.
Some PAT branded products may also be in their original packaging. Due to the changing nature of the supply chains around the world, our supplier sometimes will change suppliers. For example a product that used to be supplied as a Hitachi product might now be a Bosch brand. In all cases they will be well known OE type products as per the above paragraph.
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