Hyundai Sonata: ESP(Electronic Stability Program) System / Schematic Diagrams

Hyundai Sonata LF 2014-2019 Service Manual / Brake System / ESP(Electronic Stability Program) System / Schematic Diagrams

Schematic

[EPB Type]

[General Type]

Terminal Funtion

[EPB Type]

PIN NO	Desciption	Current
PIN NO	Desciption	max	min
1	Voltage supply for pump motor	39A	10A
2	RR EPB motor power	30A	-
3	RR EPB motor ground	30A	-
4	-	-	-
5	Local CAN High	30mA	20mA
6	Electric parking brake signal 1	20mA	-
7	Electric parking brake signal 2	20mA	-
8	Electric parking brake signal 3	20mA	-
9	Electric parking brake signal 4	20mA	-
10	-	-	-
11	-	-	-
12	RL EPB motor ground	30A	-
13	RL EPB motor power	30A	-
14	Ground for solenoid valves and ECU	30A	10A
15	-	-	-
16	ESS	200mA	100mA
17	FR Wheel speed sensor signal	16.8mA	5.9mA
18	-	-	-
19	VDC OFF switch signal	10mA	5mA
20	Local CAN Low	30mA	20mA
21	-	-	-
22	-	-	-
23	HAC signal	200mA	100mA
24	-	-	?
25	FR Wheel speed sensor power	16.8mA	5.9mA
26	RR Wheel speed sensor power	16.8mA	5.9mA
27	RL Wheel speed sensor signal	16.8mA	5.9mA
28	-	-	?
29	FL Wheel speed sensor signal	16.8mA	5.9mA
30	Voltage supply for solenoid valves	30A	10A
31	-	-	-
32	Wheel speed sensor output	Open drain	-
33	-	-	-
34	Auto holding ON/OFF switch signal	10mA	5mA
35	Brake light switch	10mA	5mA
36	RR Wheel speed sensor signal	16.8mA	5.9mA
37	IGN 1	5A	1A
38	RL Wheel speed sensor power	16.8mA	5.9mA
39	FL Wheel speed sensor power	16.8mA	5.9mA
40	-	-	-
41	-	-	-
42	-	-	-
43	-	-	-
44	C-CAN High	30mA	20mA
45	C-CAN Low	30mA	20mA
46	Voltage supply for pump motor	40A	10A

[General Type]

PIN NO	Description	Current
PIN NO	Description	max	min
13	Ground for recirculation pump	39 A	10 A
38	Ground for solenoid valves and ECU	15 A	2 A
1	Voltage supply for pump motor	39 A	10 A
25	Voltage supply for solenoid valves	15 A	2 A
34	FL Wheel speed sensor power	16.8 mA	5.9 mA
18	FR Wheel speed sensor power	16.8 mA	5.9 mA
33	RL Wheel speed sensor power	16.8 mA	5.9 mA
19	RR Wheel speed sensor power	16.8 mA	5.9 mA
22	FL Wheel speed sensor signal	16.8 mA	5.9 mA
6	FR Wheel speed sensor signal	16.8 mA	5.9 mA
20	RL Wheel speed sensor signal	16.8 mA	5.9 mA
31	RR Wheel speed sensor signal	16.8 mA	5.9 mA
32	Voltage for hybrid ECU	1 A	500 mA
8	ESP switch signal	20mA	5mA
26	CAN High	30 mA	20 mA
14	CAN Low	30 mA	20 mA
30	Brake light switch	10 mA	5 mA
10	Parking brake switch signal	10 mA	5 mA
16	HAC relay	200mA	100mA
27	Wheel speed sensor output	Open Draim	?

Description and Operation

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

Troubleshooting

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

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