Kia Optima Hybrid: ESC(Electronic Stability Control) System / Steering Angle Sensor Description and Operation

Description
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.”)
ESC OFF Switch Repair procedures

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 ...

Parking Brake System

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Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Fuel Filter Repair procedures


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 ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Rear Hub - Carrier Components and Components Location


Components 1. Rear carrier assembly2. Parking brake assembly3. Rear hub assembly4. Rear brake disc ...

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