Hyundai Elantra: ABS(Anti-Lock Brake System) / Front Wheel Speed Sensor Repair procedures

Removal
1.
Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from front hub .

Tightening torque:
107.9 ~ 127.5 N.m (11.0 ~ 13.0 kgf.m, 79.6 ~ 94.0 lb-ft)

   
Be careful not to damage the hub bolts when removing the front wheel and tire (A).
3.
Loosen the mounting holt and then remove the wheel speed sensor cable from the strut assembly.

Tightening torque :
8.8 ~ 13.7 N.m(0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

4.
Remove the wheel speed sensor cable braket bolt (A).

Tightening torque:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

5.
Remove the front wheel guard.
6.
Disconnect the wheel speed sensor connector (A) and then remove it.

7.
Loosen the bolt and then remove the wheel speed sensor (A).

Tightening torque:
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

8.
To install, reverse the removal procedure.
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 ? 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

Front Wheel Speed Sensor Components and Components Location
Components 1. Front wheel speed sensor2. Front wheel speed sensor connector ...

Rear Wheel Speed Sensor Components and Components Location
Components 1. Front wheel speed sensor2. Front wheel speed sensor cable ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Center Console Storage, Sliding Armrest
Center Console Storage To open : Grab and hold the latch (1) on the arm rest then lift the lid. Sliding Armrest To move the armrest forward: Grab and hold the latch (1) on the arm rest then slide the armrest forward. To move the armrest rearward: Grab and hold the latch (1) on the armrest ...

Hyundai Elantra AD (2016-2020) Owners Manual: Warning message
Blind-Spot Collision Warning (BCW) system disabled. Radar blocked This warning message may appear when : - One or both of the sensors on the rear bumper is blocked by dirt or snow or a foreign object. - Driving in rural areas where the sensor does not detect another vehicle for an extended ...

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