Checking the wheel sensor and pulse wheel

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Remove the wheel for better access.

  Check that the relevant wheel sensor is tightly against the shaft/hub. Check that there is no dirt between the sensor and mating surface.

  Check that the relevant pulse wheel is properly secured and is not damaged (no teeth missing, not deformed or scratched etc.)

  Remedy as necessary.

  Other information: 

  • To remove and replace the front wheel sensors, see Wheel sensor, front, replacing .
  Fig 2: Identifying Wheel Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Verification 

• NO 

  Refer to Checking the brakes and wheel bearings