DYNAMIC STABILITY CONTROL/ROLL STABILITY CONTROL
04-18–2
DSC Operation Outline
• The antilock brake system (ABS) prevents wheel lock-up during braking. The traction control system (TCS)
detects drive wheel spin due to the accelerator pedal being pressed too hard or similar causes and controls
engine speed to suppress wheel spin. With these systems, safety is assured when driving or stopping.
• Additionally, sudden changes in vehicle attitude, due to evasive steering or road conditions, are controlled by
the DSC. The DSC suppresses vehicle sideslip when driving due to vehicle spin (oversteer) or drift-out
(understeer) by controlling braking and engine speed. At this time, the DSC indicator light illuminates to alert
the driver that the DSC is operating due to a dangerous situation. As a result, the driver can calmly react and is
provided leeway for the next maneuver, resulting in safe driving conditions.
• In this way the combination of DSC + ABS + TCS ensures driving, stopping and turning safety in all aspects.
Results Of DSC Operation
Caution
• While the DSC is a steering safety system, it does not improve normal steering function.
Therefore, always drive carefully, even if the vehicle has DSC, and do not overestimate the DSC
capability.
• The DSC and ABS will not operate normally under the following conditions:
— With tires that are not of the specified size, manufacturer or tread pattern, or not inflated
according to specification
— With tires that have significant comparative wear variation
— With tire chains
End Of Sie
WITHOUT DSC WITH DSC
DRIFT OUT
(UNDERSTEER)
DRIFT OUT (UNDERSTEER) SUPPRESSION
VEHICLE SPIN
(OVERSTEER)
VEHICLE SPIN (OVERSTEER) SUPPRESSION
WITHOUT DSC WITH DSC
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3423-1U-06H(04-18).fm 2 ページ ２００６年１１月２２日 水曜日 午後２時３８分
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