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 1. Strut assembly2. Insulator3. Bearing4. Spring upper pad5. Coil spring6. Dust cover7. Spring lower pad ...
Description Transaxle oil temperature sensor monitors the automatic transaxle fluid''s temperature and conveys the readings to TCM. It is an NTC (Negative Thermal Coefficient) sensor whose resistance has an inversely proportional relationship with the temperature level. Data produced by this sensor is ...
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