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STC-8 < SYSTEM DESCRIPTION > SYSTEM *: Models with Integrated Control System EPS WARNING LAMP INDICATION • Turn ON when there is a malfunction in EPS system. If indicates that fail-safe mode is engaged and enters a manual steering state (Control turning force steering wheel becomes heavy). • Also turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF after the engine starts, if system is normal. CAUTION: EPS warning lamp also turns ON due to data reception error, CAN communication error etc. EPS SYSTEM : Fail-Safe INFOID:0000000012199918 • If any malfunction occurs in the system, and control unit detects the malfunction, EPS warning lamp on com- bination meter turns ON to indicate system malfunction. • When EPS warning lamp is ON, enters into a manual steering state. (Control turning force steering wheel becomes heavy.) EPS SYSTEM : Protection Function INFOID:0000000012199919 EPS control unit decreases the output signal to EPS motor while extremely using the power steering function (e.g., full steering) consecutively for protecting EPS motor and EPS control unit (Overload protection control). While activating overload protection control, the assist torque gradually decreases, and the steering wheel turning force becomes heavy. The normal assist torque is recovered if the steering wheel is not turned for a while. Combination meter • Transmits mainly the following signals to EPS control unit via CAN communication. Multi display unit * • Transmits mainly the following signals to EPS control unit via CAN communication. Control unit Signal status Condition EPS warning lamp Ignition switch ON. (Lamp check) ON Engine running. OFF EPS system malfunction [Other diagnostic item] ON |