Asr/Tcs/Msr - Alfa Romeo 159 Training Material

BRAKING SYSTEM

6.2.4 ASR/TCS/MSR

ASR: This function controls vehicle traction. It works on the braking system (by applying the brakes to the wheel that
is slipping to transfer the torque to the other wheel of the axle) and on the engine (by reducing engine torque).
MSR: This function controls the engine brake during cut-off. On particularly slippery ground, the engine brake could
cause the drive wheels to slip at cut-off, with severe consequences on control and stability. This condition is even
more dangerous for four-wheel drive vehicles where the rear wheels could be locked when the accelerator pedal is
released. In such conditions, the system increases engine torque to reduce engine brake and prevent wheel locking.
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