Intelligent Turn Signals

Basic Description

Turn signals are the blinking lights used to indicate a driver's intent to turn or change lanes. Until recently, turn signals were operated by electromechanical switches and relays. However, most vehicles now employ microprocessor controlled turn signals that adjust their operation based on the driving situation. For example, the turn signal may behave differently depending on whether the vehicle is changing lanes, making a sharp turn or preparing to park.

Sensors

Vehicle speed sensor, steering wheel position sensor

Actuators

Front, side and rear signaling lights, speaker to provide audio feedback

Data Communications

CAN

Manufacturers

TRW

For More Information

[1] One-Touch Turn Signal Module, E31 Wiki.

[2] Intelligent 3-Blink Turn Signal, YouTube, Oct. 15, 2010.

[3] TRW's Digital Turn Signal Control Improvements are No Joke, Terry Costlow, Automotive Engineering, Jan. 24, 2011.

[4] Finished Custom RGB LED Turn Signals on Mustang GT/CS, YouTube, Sep. 30, 2011.

[5] 2014 Ford Mustang Sequential Turn Signal and LED Tail Lights, YouTube, Oct. 19, 2013.