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Home >> Infiniti >> 2004 >> I35 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System - VDC >> General Information >> TCS Functions
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TCS Functions

  1. With the wheel speed sensor signals from 4 wheels, the VDC/TCS/ABS control unit detects a wheel spin. If a wheel spins, the control unit controls brake fluid pressure to the spinning wheel, and cuts the fuel to the engine. It also closes the throttle valve to reduce the engine torque. Furthermore, throttle position is controlled to the appropriate engine torque.
  2. During TCS operation, it informs a driver of system operation by flashing SLIP indicator lamp.
CAUTION:
  • During TCS operation, the body and the brake pedal lightly vibrate and the mechanical noise may be heard. This is a normal condition.
  • Depending on road circumstances, the driver may have a sluggish feel. This is not abnormal, because the optimum traction has the highest priority by TCS operation.
  • When the vehicle is passing through a road where the surface friction coefficient varies, downshifting or depressing the accelerator pedal fully may activate TCS temporarily.
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