EPS Indicator

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.

Under normal conditions, the EPS indicator (A) comes on when the ignition switch is turned to ON (II), or press the engine start/stop button to select the ON mode, then goes off after the engine is started. This indicates that the LED and its circuit are operating correctly If there is a failure in the system after the engine is started, the EPS indicator will stay on, and the power assist is turned off or restricted

Fig 1: Identifying EPS Indicator

Courtesy of AMERICAN HONDA MOTOR CO., INC.

When the EPS indicator comes on, the control unit stores the DTC. In this case, the control unit will not activate the EPS system after the engine starts again, but it keeps the EPS indicator on

When DTC 51-01,51-02 or 51-06 is stored in the control unit, the EPS indicator will stay on until the DTC is erased When a problem is detected and the EPS indicator comes on, there are cases when the indicator stays on until the ignition switch is turned to LOCK (0), or press the engine start/stop button to select the OFF mode, and cases when the indicator goes off automatically when the system returns to normal. Even though the system is operating normally, the EPS indicator will come on under some conditions with the vehicle stopped and the engine at high rpm with constant input from the steering wheel

To determine the actual cause of the problem, question the client about the conditions during which the problem occurred, taking the above conditions into consideration