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: Engine Coolant Temperature Sensor (ECTS) Description and Operation
Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor whose resistance changes with the temperature. The electrical resistance of the ECTS decreases as the ...

Hyundai Elantra AD (2016-2020) Service Manual: Curtain Airbag (CAB) Module Description and Operation
Description Curtain airbags are installed inside the headliner (LH and RH) and protect the driver and passenger from danger when side crash occurs. The SRSCM determines deployment of curtain airbag by using side impact sensor (SIS) signal.     • Never attempt to meas ...

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