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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Brake Control System (2001) >> ABS diagnostic functions >> Description of parameters >> Parameters, value >> Wheel acceleration
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Wheel acceleration

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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.

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