System Description
- Trailer Sway Assist reduces sway caused by the trailer's side to side oscillation. TSA function detects oscillation status using each sensor when trailer sway is occurring and improves vehicle stability by brake control and engine output control during driving.
- Oscillation amount is calculated according to steering operation amount from steering angle sensor and brake operation amount from pressure sensor. By comparing this information with trailer sway amount that is calculated from yaw rate/side/decel G-sensor and wheel sensor information, vehicle driving conditions (conditions of understeer or oversteer) are judged and trailer stability is improved by brake force control on all 4 wheels and engine output control of the towing vehicle.
- TSA function can be switched to non-operational status (OFF) by operating VDC OFF switch. In this case, VDC OFF indicator lamp turns ON.
- SLIP indicator lamp is blinking while TSA function is in operation and indicates to the driver that the function is in operation.
- Slight vibrations are felt on the brake pedal and the operation noises occur, when TSA function operates. This is not a malfunction because it is caused by TSA function that is normally operated.
- CONSULT can be used to diagnose the system diagnosis.
- Fail-safe function is adopted. When a malfunction occurs in VDC function, the control is suspended for VDC function, TSA function and TCS function. The vehicle status becomes the same as models without VDC function, TSA and TCS function. However, ABS function and EBD function are operated normally. Refer to FAIL-SAFE .