Checking the wheel sensor and pulse wheel
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Front wheel sensors and pulse wheels: Remove the wheel
- Rear wheel sensors and pulse wheels: Remove the wheel and brake caliper according to Refurbishing rear brake caliper
. Remove the brake disc according to Replacement of rear brake disc
.
Check that the tip of the wheel sensor is undamaged.
Check that the pulse wheel is secure. Check that the pulse wheel is free of damage and scratches etc.
Check that the clearance between the wheel sensor and the pulse wheel is 0.2-1.8 mm.
Check the pulse wheel according to Checking pulse wheel lateral runout .
Are the pulse wheel and the wheel sensor OK?
- YES
Refer to Checking for interference
- NO
Refer to Remedy the component