Hyundai Elantra: Inspection - 26 Brake Control 
Solenoid Valve(26/B_VFS). Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: Inspection

1.
Turn ignition switch OFF.
2.
Disconnect the Solenoid valve connector.
3.
Measure resistance between sensor signal terminal and sensor ground terminal.
4.
Check that the resistance is within the specification.
(Refer to 26 Brake Control Solenoid Valve - "Specifications")