EPS motor operation
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
The EPS uses an efficient brush less DC type motor The EPS motor control circuit is composed of a system control CPU, FET drive circuit, H type FET bridge, power relay, fail-safe relay, electric current sensor, and the EPS motor From the input sensor signals, the CPU calculates and outputs the appropriate three-phase current for the FET drive circuit