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SYSTEM STC-9 < SYSTEM DESCRIPTION > C D E F H I J K L M A B STC N O P CAUTION: EPS warning lamp also turns ON due to data reception error, CAN communication error etc. EPS SYSTEM : Fail-Safe INFOID:0000000010119184 • 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, the system enters into a manual steering state. (Control turning force steer- ing wheel becomes heavy.) • Under abnormal vehicle speed signal conditions, vehicle speed is judged as constant. EPS SYSTEM : Protection Function INFOID:0000000010119185 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. When vehicle is READY state OFF EPS system malfunction [Other diagnostic item] ON Condition EPS warning lamp |