Power Stop 17-19 Infiniti QX30 Front or Rear Euro-Stop Electronic Brake Pad Wear Sensor

OE-Grade Brake Pad Wear Sensor for the 2017-2019 Infiniti QX30

The PowerStop SW-1656 is an electronic brake pad wear sensor engineered for the 2017-2019 Infiniti QX30 front brake system. When brake pads reach the minimum wear limit, the SW-1656 triggers the brake warning light on the instrument cluster, alerting the driver before the pads contact the rotor and cause damage. The SW-1656 installs directly onto the brake pad and connects to the factory wiring harness with no modification required.

Why Replacing the Wear Sensor Matters

The 2017-2019 Infiniti QX30 uses an electronic wear sensor that physically contacts the rotor when pads approach the wear limit. This contact sends a signal through the sensor wire to the instrument cluster warning light. Once the sensor has been triggered or the pads have been replaced, the sensor must be replaced as well. Reusing a triggered or bent sensor produces unreliable warning behavior and can lead to missed alerts. The SW-1656 provides a fresh, calibrated sensor that integrates with the factory brake warning system on the QX30 and ensures accurate wear monitoring after each pad service.

Key Features

• Electronic brake pad wear sensor engineered for the 2017-2019 Infiniti QX30 front brake system
• Triggers instrument cluster brake warning light when pads approach minimum thickness
• Direct plug-in connection to factory QX30 wiring harness, no modification required
• OE-matched sensor geometry for accurate wear monitoring and reliable warning activation
• Replace the wear sensor every time brake pads are serviced for accurate wear monitoring
• Part number SW-1656 covers front axle wear sensor application on the 2017-2019 Infiniti QX30

Fitment

Specifications

What's Included

• 1x PowerStop SW-1656 electronic brake pad wear sensor

About PowerStop

PowerStop engineers brake components for a broad range of domestic and import vehicles, including wear sensors designed to integrate seamlessly with factory brake warning systems. The SW-1656 is part of PowerStop's commitment to providing every component needed for a complete brake service in one trusted brand.

Frequently Asked Questions

The SW-1656 is an electronic brake pad wear sensor for the 2017-2019 Infiniti QX30 front brake system. It is embedded in the brake pad assembly and makes electrical contact with the rotor when the pad reaches minimum thickness, triggering the brake warning light on the instrument cluster.

Yes. The wear sensor is a single-use component. Once it has contacted the rotor or been removed from the old pad, it must be replaced. Reusing a triggered sensor produces inaccurate wear monitoring and can result in missed warning alerts.

Yes. The SW-1656 is designed to connect directly to the factory 2017-2019 Infiniti QX30 brake sensor wiring harness with no modification, splicing, or adapters required.

Yes. Once a new SW-1656 is installed and the brake system is properly bled and reassembled, the brake warning light will extinguish after the vehicle is driven and the system is reset. If the light remains on, verify all connections and inspect for other brake system faults.

Yes. Sensor installation is straightforward: clip the sensor onto the new brake pad, route the wire through the factory retaining clips, and plug into the harness connector. The process takes only a few minutes as part of a standard pad replacement.

Yes. PowerStop backs brake sensors with a limited warranty on materials and workmanship. Contact PowerStop or your point of purchase for warranty terms.

The SW-1656 covers the front axle wear sensor application on the 2017-2019 Infiniti QX30. Confirm whether your vehicle requires a rear sensor as well and source the correct part number for the rear axle if needed.

Without a functioning wear sensor, the brake warning system cannot alert you when pads approach the wear limit on the next service interval. This means you lose the early warning that prevents metal-to-metal contact and rotor damage. Always install a new sensor with every pad replacement.

Installation Instructions

1. Remove the old brake pads from the caliper carrier.
2. Unclip the old wear sensor from the brake pad and disconnect it from the wiring harness connector.
3. Clip the new SW-1656 sensor onto the new brake pad at the designated sensor slot.
4. Route the sensor wire through the factory retaining clips on the caliper and knuckle, following the original routing path.
5. Connect the sensor wire plug to the factory harness connector until it clicks securely.
6. Install the new brake pads and reassemble the caliper per standard brake pad replacement procedure.
7. Verify the sensor wire is not pinched, kinked, or in contact with hot or moving components before closing up.

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.