Kia Optima Hybrid: ESC(Electronic Stability Control) System / Steering Angle Sensor Description and Operation
The Steering Angle Sensor (SAS) is installed in MDPS (Motor
Driven Power Steering) and it sends messages to HECU through CAN
communication line.
The SAS is used to determine turning direction and speed of the steering wheel.
The HECU uses the signals from the SAS when performing ESC-related calculations.
Components (Steering Angle Sensor, Torque Sensor, Failsafe
relay, etc.) of the EPS system are located inside the steering column
& EPS unit assembly and the steering column. EPS unit assembly must
not be disassemble to be inspected. They must be replaced. (Refer to
“ST (Steering system) Gr.”)
Inspection 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the crash pad side switch assembly. 3. Check the continuity between the switch terminals as the ESC OFF switch ...
Other information:
Removal • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. • Be sure to shut off the high voltage circuit according ...
Components 1. Rear window glass moulding2. Rear window glass ...
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