Steering Wheel Angle Sensor

Steering wheel angle sensor detects the operating speed of handle and is composed of the three photo transistor. Steering wheel angle sensor is located in the multifunction switch of steering wheel. The specifications of sensor are as following:

Fig 1: Identifying Steering Wheel Angle Sensor

Courtesy of KIA MOTORS AMERICA, INC.

1. Specification
   STANDARD VALUE REFERENCE
   
   

   Item	Standard Value	Remark
   Pulse duty	50±10%	Operating Temp. range : -30 ~ 75°C
   Pulse width	8deg/1 pulse
   Operating voltage	9 ~ 16V
   Consumption current	Max.100mA
   HIGH voltage	3.0V ~ 4.1V
   LOW voltage	1.3V ~ 2.0V
   Steering angular velocity	Max.1500deg/sec

2. Neutral position detect
   1. It should remain the satisfied condition as followed more than 2 seconds in order to detect neutral position.
   2. The vehicle speed should be above 10 km/h.
   3. The brake switch should be in position "OFF".
   4. It should be lasted more than two seconds after turning ignition "OFF".
   5. The neutral signal (STN) valve should be "O".
3. Output characteristic
   OUTPUT CHARACTERISTIC CHART
   
   

   Output characteristic	Courtesy of KIA MOTORS AMERICA, INC.
   	Courtesy of KIA MOTORS AMERICA, INC.