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C1259 Steering Angle Sensor – Electrical Malfunction
AutoHex Online Help: Hyundai i30(GDe) 2013
Component Location
1. Steering Angle
2. EPS ECU
General Description
EPS(MDPS=Motor Driving Power Steering) is designed to provide directional control and smooth feeling to driver when driver operates steering wheel. There is a function to detect rotation speed and direction of steering wheel in Torque Sensor. Rotation speed and direction signals are used for "damper" and "return" control, "assist" control.
DTC Description
If there is an error in steering signals, the EPS(MDPS=Motor Driving Power Steering) unit sets DTC C1259.
DTC Detecting Condition
Item | Detecting Condition | Possible cause |
DTC Strategy | Steering angle signal
| Open or short in the power harness Open/Short in the ground harness Steering angle Sensor EPS(MDPS) CM ASP Setting error |
Enable conditions | If the voltage of battery is normal
|
Threshold value | If the signal of steering angle are out of a normal range
|
Fail Safe | Normal assistance
|