Hyundai Elantra: Operation - Description and Operation - Electric Power Steering - Steering System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: Operation

Note With Regard to diagnosis
Trouble factor
Check item
Trouble symtom
Explanation
Note
Drop, impact, and overload
Motor
Abnormal noise
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Visable or unvisable damage can occur.The steering wheel could pull to one side by using the dropped parts.
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Precise parts of motor/ECU are sensitive to vibration and impact.
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Overload can cause unexpected damage
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Do not use the impacted EPS.
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Do not overload each parts.
ECU
Circuit damage
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Wrong welding point
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Broken PCB
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Damaged precise parts
Torque sensor
Insufficient steering effort
Overload to INPUT shaft can cause malfunction of the torque sensor
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Do not impact the connecting parts (When inserting and torquing)
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Use the specified tool to remove the steering wheel. (Do not hammer on it)
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Do not use the impacted EPS
Shaft
Insufficient steering effort (Uneven between LH and RH)
 
Do not use the impacted EPS
Pull/Dent
Harness
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Malfunction-impossible power operation
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Malfunction of EPS
Disconnection between harness connecting portion and harness
Do not overload the harness
Abnormal storage temperature
Motor/ECU
Abnormal steering effort by improper operation of the motor/ECU
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Waterproof at the normal condition
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Even a little moisture can cause malfunction of the precise parts of the motor/ECU
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Keep the normal temperature and proper moisture, while storaging
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Avoid drowning