Checking the wheel sensor and pulse wheel

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• 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 correctly secured and free of damage, scratches etc.

  Remedy as necessary.

  Other information: 

  • To remove and replace the rear wheel sensors, see Wheel sensors, rear, 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