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:
Components Connector Pin Information No.Connector A (24pin)Connector B (20pin)Connector C (24pin)1Battery (+)Head lamp low beam switchRoom lamp2IGN 1Head lamp high beam switchAV tail signal3IGN 2Front fog switchBuzzer (PAS)4ACCSafety power window EnableMirror unfolding relay5Mist switchK-LineRear left ...
Components 1. Roof trim2. Sunvisor3. Retainer4. Assist handle bracket Components [Panoramaroof] 1. Roof trim2. Sunvisor3. Retainer4. Assist handle bracket ...
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