Kia Optima: Steering Angle Sensor. Description and Operation - ESC(Electronic Stability Control) System - Brake System - Kia Optima TF 2011-2019 Service ManualKia Optima: 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 УST (Steering system) Gr.Ф)
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 ...

Body (Interior and Exterior)
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See also:

Owner maintenance precautions
Improper or incomplete service may result in problems. This section gives instructions only for the maintenance items that are easy to perform. As explained earlier in this section, several p ...

Auto door lock/unlock feature (if equipped)
All doors will automatically lock when the transaxle shift lever is shifted out of P (Park). All doors will automatically unlock when the transaxle shift lever is shifted into P (Park). ...

Repair procedures
General Inspection After or before servicing the EPS system, perform the troubleshooting and test procedure as follows. Compare the system condition with normal condition in the table below and i ...

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