Steering Angle Sensor
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2005 Acura NSX, 2004 Acura NSX, 2003 Acura NSX-T, 2003 Acura NSX, and 2002 Acura NSX-T. However, it is still accessible from the selected car via links, so may be relevant.
The steering angle sensor signals the TCS control unit about the amount of steering angle.