Where are speed sensors located? (video)

https://www.youtube.com/watch?v=ezLSiY8vH9Q

What does a speed sensor do on a car?

Vehicle Speed Sensors

The vehicle speed sensor (VSS) measures transmission/transaxle output or wheel speed. The ECM uses this information to modify engine functions such as ignition timing, air/fuel ratio, transmission shift points, and to initiate diagnostic routines. via

Does each wheel have a speed sensor?

Modern vehicles have four wheel speed sensors: two front wheel speed sensors and two rear wheel speed sensors. That is, each wheel of your car has a wheel speed sensor. via

Why do I need a speed sensor?

The vehicle speed sensor is a critical component that ensures that your speedometer, cruise control, and transmission works well. If you're driving around with a defective speed sensor, you may not know how fast you're going and can compromise your safety and those around you. via

What causes wheel speed sensor failure?

Corrosion, affecting the air gap spacing and weakening the sensor's signal strength. Road debris blocking the sensor, rendering it inoperative or causing mechanical damage. Particles of metallic debris attached to a wheel speed sensor magnetic encoder ring. Contaminated wheel speed sensors. via

How do you troubleshoot a sensor?

  • 1.) Check Sensor Connection.
  • 2.) Check Gap.
  • 3.) Resistance Measurement (two wire plug only)
  • 4.) Check Power (three wire plug only)
  • 5.) Check Wiring (three wire plug only)
  • via

    Can I unplug my ABS sensor?

    Removing a wheel speed sensor will disable ABS—and sometimes, stability control. If your car has a yaw sensor, you can unplug that for results. You can also try simply unplugging the ABS module, though that could adversely affect your car's braking performance. via

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