Hyundai Elantra MD/UD: Inspection - Front Wheel Speed 
Sensor. Repair procedures - ESC(Electronic Stability Control) System - Brake System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Inspection

1.
Measure the output voltage between the terminal of the wheel speed sensor and the body ground.
In order to protect the wheel speed sensor, when measuring output voltage, a 100 Ω resister must be used as shown.

2.
Compare the change of the output voltage of the wheel speed sensor to the normal change of the output voltage as shown below.


V_low : 0.59V ~ 0.84V
V_high : 1.18V ~ 1.68V
Frequency range : 1 ~ 2,500Hz


Removal
1. Remove the front wheel and tire. Tightening torque: 88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft) ...

Rear Wheel Speed Sensor. Components and Components Location
Components 1. Rear wheel speed sensor 2. Rear wheel speed sensor connector ...