Hyundai Elantra: ESC(Electronic Stability Control) System / ESC Control Unit Components and Components Location

Components

1. Front - right tube
2. Rear - left tube
3. Rear - right tube
4. Front - left tube
5. MC SEC
6. MC PRI
7. ESC control module(HECU)
8. Bracket

Troubleshooting
Failure Diagnosis 1. In principle, ESC and TCS controls are prohibited in case of ABS failure. 2. When ESC or TCS fails, only the failed system control is prohibited. 3. However, when the ...

ESC Control Unit Repair procedures
Removal 1. Turn the ignition switch OFF and then disconnect the negative (-) battery cable. 2. Pull up the lock of the HECU connector (A) , then disconnect the connector. 3. Remove the bra ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Input Speed Sensor Repair procedures
Inspection 1. Using the GDS, check the input/output speed sensor waveforms. A. Turn OFF the ignition switch. B. Connect the GDS to the Data Link Connector(DLC) on the lower crash pad. C. Ignition "ON" & Engine "ON". D. Check the input/output speed sensor waveforms at high spe ...

Hyundai Elantra AD (2016-2020) Service Manual: Water Temperature Control Assembly Repair procedures
Removal and Installation 1. Remove the engine cover. (Refer to Engine And Transaxle Assembly - “Engine Cover”) 2. Drain the engine coolant so its level is below water temperature control assembly. (Refer to Cooling System - "Coolant") 3. Remove the air duct and air cleaner assembly ...

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