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: Repair procedures


Inspection Front Door Lock Actuator Inspection 1. Remove the front door trim. (Refer to the BD group - "Front door") 2. Remove the front door module. 3. Disconnect the 7P connector from the actuator. 4. Check actuator operation by connecting power and ground according to the table. To prevent damage ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Windshield Glass Repair procedures


Replacement Removal     • Put on gloves to protect your hands. • Use seat covers to avoid damaging any surfaces. 1. Remove the following items. • Front pillar trim (Refer to the BD group - "Interior Trim") • ECM mirror (Refer to the BD group - "Mirror") • Rain sensor (Refer to the ...

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