Hyundai Elantra: ESC(Electronic Stability Control) System / ESC OFF Switch Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the side crash pad switch.

4.
Disconnect the ESC OFF switch connector.

5.
Check the continuity between the switch terminals as the ESC OFF switch is engaged.

ESC OFF Switch Description and Operation
Description 1. The ESC OFF switch is for the user to turn off the ESP system. 2. The ESC OFF lamp is on when ESP OFF switch is engaged. ...

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

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Underdrive Brake Control Solenoid Valve(UD/B_VFS) Specifications
Specifications ShapeItems Specifications Control current(voltage) [mA] 0 ~ 1100 Supply pressure [kpa (kgf/cm?, psi)] 1569.06 (16, 227.57) Control pressure [kpa (kgf/cm?, psi)] 0 ~ 1569.06 (0 ~ 16, 0 ~ 227.57)  Internal resistance(?) 5.0 ~ 5.6 ...

Hyundai Elantra AD (2016-2020) Owners Manual: Temperature control
Turn the knob to the right to increase the fan speed temperature and airflow. Turn the knob to the left to decrease fan temperature. The temperature will increase or decrease by 1°F/0.5°C for each button press. When set to the lowest temperature setting, the air conditioning will operate co ...

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