Hyundai Elantra: ESC(Electronic Stability Control) System / Rear 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 rear 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 rear wheel and tire (A).
3.
Disconnect the rear wheel speed sensor connector(A).

4.
Loosen the mounting bolt and then remove the wheel speed sensor cable bracket (A) and (B).

Tightening torque :
A : 8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)
B : 7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

5.
Remove the rear seat back.
(Refer to Body - "Seat")
6.
Disconnect the rear wheel speed sensor connector (A), and than remove the rear wheel speed sensor.

7.
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

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

Autonomous Emergency Braking(AEB) System
...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Room Lamp Repair procedures
Removal [Room Lamp] 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, Separate the room lamp lens (A) from the room lamp.     • Put on gloves to prevent hand injuries. • When removing with a flat-tip screwdriver or remover, w ...

Hyundai Elantra AD (2016-2020) Owners Manual: LCD Display Messages
Shift to P or N to start engine (for smart key system and Intelligent Variable Transmission (IVT)/dual clutch transmission) This warning message is displayed if you try to start the engine with the shift lever not in the P (Park) or N (Neutral) position. Information You can start the engine w ...

© 2018-2024 www.helantraad.com