Full Traction Control System (Ftcs); Brake Traction Control System (Btcs); Ebd (Electronic Brake-Force Distribution) Operation - Hyundai Tiburon 2003 Workshop Manual

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A. Traction: Lower vibration and higher launchability, accelerationand climbability by slip control.

B. Cornering and passing: Stable cornering and passing.

C. Steering stability: Control traction force traverse vector prior to provide easy turning when turning the steering wheel.

2. General TCS features

A. Improved drivability. Minor operation of acceleration is not necessary in launching and acceleration on slippery road.

B. More stable cornering by stable acceleration on normal road condition.

C. TCS system will compare vehicle speed received from rear wheel speed sensor and driving wheel speed from front

wheel speed sensor on slippery road condition, and provide optimum slipping rate of driving wheels.

FULL TRACTION CONTROL SYSTEM (FTCS)

1. The ABS control module (HECU) controls TCS control too.

2. HECU will compare signals from front (driving) and rear wheel speed sensors to detect driving wheels slip.

3. Upon detecting driving wheels slip, HECU will perform TCS control. The TCS control will include brake TCS (BTCS)

4. HECU will transmit engine torque reduction request, fuel cut cylinder number, and TCS control request signals in

accordance with slip level to engine ECM and TCM through BUS line which will provide CAN communication for TCS

5. Engine ECM will perform fuel cut as requested by HECU and retard ignition timing as per engine torque reduction

request signal.

6. TCM will hold shift position by TCS control time according to TCS operation signal. Then enhanced acceleration by

kick-down will not occur.

1. On TCS control, only brake control will be performed. (engine and TCM control will not happen)

2. Controlled by motor pump output pressure.

- Function improvement of the base-brake system.

- Compensation for the different friction coefficients.

- Elimination of the proportioning valve.

- Failure recognition by the warning lamp.

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