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.

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. ...

Components 1. Front wheel speed sensor2. Front wheel speed sensor connector ...

Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Repair procedures
Removal • When replacing the ECM, the vehicle equipped withthe immobilizer must be performed procedure asbelow. [In the case of installing used ECM] 1) Perform "ECM Neutral mode" procedure with GDS. (Refer to Body Electrical System - "Immobilizer System") 2) After ...