Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Lexus >> 2008 >> IS 350 >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> EPS >> System Outline

System Outline

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches

* To reduce the steering force required by the driver, the appropriate amount of assist current is calculated from the torque sensor signal and the vehicle speed signal and is then output to the motor.

* If an abnormality is found in the system, the power relay and motor relay (Built in the ECU) are shut off to stop the assistance, and the warning lamp (P/S) illuminates in the meter.