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:
Replacement 1. Remove the fuel pump (Refer to “Fuel Pump” in this group). 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the cushion pipe fixing clip (C), and then separate the head assembly (D). 4. Remove the return nozzle (B) after releasing the ...
Components 1. Rear carrier assembly2. Parking brake assembly3. Rear hub assembly4. Rear brake disc ...
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