Hyundai Elantra: ESC(Electronic Stability Control) System / Schematic Diagrams

Hyundai Elantra AD (2016-2020) Service Manual / Brake System / ESC(Electronic Stability Control) System / Schematic Diagrams

Schematic Diagrams

Terminal Function

Wire No.	Designation	Current
Wire No.	Designation	max	min
13	Ground for recirculation pump	39 A	10 A
1	Voltage supply for pump motor	39 A	10 A
25	Voltage supply for solenoid valves	15 A	2 A
38	Ground for solenoid valves andECU	15 A	2 A
22	Signal wheel speed sensor (FL)	16.8 mA	5.9 mA
33	Voltage supply for the active wheel speed sensor(RL)	16.8 mA	5.9 mA
19	Voltage supply for the active wheel speed sensor(RR)	16.8 mA	5.9 mA
18	Voltage supply for the active wheel speed sensor(FR)	16.8 mA	5.9 mA
6	Signal wheel speed sensor (FR)	16.8 mA	5.9 mA
14	C-CAN LOW	30 mA	20 mA
34	Voltage supply for the active wheel speed sensor(FL)	16.8 mA	5.9 mA
20	Signal wheel speed sensor (RL)	16.8 mA	5.9 mA
32	Voltage for HECU (IGN)	1 A	500 mA
31	Signal wheel speed sensor (RR)	16.8 mA	5.9 mA
30	Brake light switch	10 mA	5 mA
26	C-CAN HIGH	30 mA	20 mA
27	Wheel speed sensor output	Open Draim	-
8	ESC switch	10 mA	5 mA
23	Clutch switch (MT Only)	10 mA	5 mA
10	Parking Brake switch	10 mA	5 mA
21	L-CAN LOW	30 mA	20 mA
9	L-CAN HIGH	30 mA	20 mA

Description and Operation

Description of ESC Optimum driving safety now has a name : ESC, the Electronic Stability Program. ESC recognizes critical driving conditions, such as panic reactions in dangerous situations, a ...

Repair procedures

Inspection ESC System Bleeding This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with brake fluid. 1. Remove t ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Master Cylinder Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the battery. (Refer to Engine Electrical System - "Battery") 3. Remove the ECM (A). 4. Loosen the mounting bolts (A) and then remova the ECM bracket (B). 5. Disconnect the brake fluid l ...

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications ItemsSpecificationsRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-22°F ~ 167°F (-30°C ~ 75°C)Dark currentSMK : 3mA / Keyless : 4mA ...