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Home >> Jaguar >> 2011 >> XK 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Anti Lock Control - Stability -- XK/X150) >> Anti-Lock Control - Stability Assist >> Anti-Lock Control - Stability Assist - V8 N/A 5.0L Petrol / V8 S/C 5.0L Petrol >> Description And Operation >> Principles Of Operation >> Electronic Traction Control

Electronic Traction Control

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ETC (electronic traction control) attempts to optimize forward traction by reducing engine torque, or by applying the brake of a spinning wheel until traction is regained.

ETC is activated if an individual wheel speed is above that of the vehicle reference speed (positive slip) and the brake pedal is not pressed. The brake is applied to the spinning wheel, allowing the excess torque to be transmitted to the non-spinning wheel through the drive line. If necessary, the ABS module also sends a high speed CAN bus message to the ECM to request a reduction in engine torque.

When the DSC function is selected off using the DSC switch, the braking and engine torque reduction features are both disabled.

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