Hyundai Elantra: ABS(Anti-Lock Brake System) / Schematic Diagrams

Hyundai Elantra AD (2016-2020) Service Manual / Brake System / ABS(Anti-Lock Brake System) / Schematic Diagrams

Schematic Diagrams

Termianal 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 and ECU	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	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	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	CAN HIGH	30 mA	20 mA
27	Wheel speed sensor output	Open Draim

Description and Operation

Description This specification applies to HCU(Hydraulic Control Unit) and ECU(Electronic Control Unit) of the HECU.(Hydraulic and Electronic Control Unit) This specification is for the wiring ...

Repair procedures

Inspection ABS 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 ...

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