Kia 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 “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 ...
See also:
Adjustment
Glass Adjustment
•
Check the glass run channel
for damage or deterioration, and replace them if necessary.
...
Removal
In the case of the vehicle equipped with immobilizer
or button engine start system, perform "Key Teaching" procedure together
...
Battery saver function
The purpose of this feature is to prevent the battery from being discharged.
The system automatically turns off the parking lights when the driver removes
the ignition key (smart key: turns o ...
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