Wheel acceleration
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.
Measurement range: -1.28 - +1.27g
Positive value: acceleration
Negative value: deceleration
The control module derives the wheel acceleration/deceleration from the relevant wheel sensor signal.
The value can vary a great deal depending on the road surface An uneven road gives greater variation.