Hyundai Santa Fe (TM): ESP(Electronic Stability Program) System / Schematic diagrams

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Brake System / ESP(Electronic Stability Program) System / Schematic diagrams

Circuit Diagram
ABS / ESC

ESCi/ESCi+(EPB Integrated)

Terminal Function
ABS / ESC

PIN No
Desciption
Current
Resistance
1
 Pump motor supply voltage
 60 A
 10 mΩ
2
 -
 -
 -
3
 -
 -
 -
4
 C-CAN High
100 mA
 250 mΩ
5
 C-CAN Low
100 mA
 250 mΩ
6
 -
 -
 -
7
 P-CAN Low
100 mA
 250 MΩ
8
 P-CAN High
100 mA
 250 MΩ
9
 Wheel speed sensor supply voltage (Left rear)
 100 mA
 250 MΩ
10
 Wheel speed sensor supply voltage (Right rear)
 100 mA
 250 MΩ
11
 Wheel speed sensor supply voltage (Right front)
 100 mA
 250 MΩ
12
 Wheel speed sensor supply voltage (Left front)
 100 mA
 250 MΩ
13
 Recycle pump ground
 40 A
10 MΩ
14
 -
 -
 -
15
 Clutch stroke sensor signal
 1.2 mA
 250 MΩ
16
 DBC switch signal
 1.2 mA
 250 MΩ
17
 VDC OFF switch signal
 1.2 mA
 250 MΩ
18
 -
 -
 -
19
 Parking brake switch signal
 1.2 mA
 250 MΩ
20
 -
 -
 -
21
 Wheel speed sensor ground (Left rear)
 40 mA
 250 MΩ
22
 Wheel speed sensor ground (Right rear)
 40 mA
 250 MΩ
23
 Wheel speed sensor ground (Right front)
 40 mA
 250 MΩ
24
 Wheel speed sensor ground (Left front)
 40 mA
 250 MΩ
25
 Solenoid valve voltage
 30 A
 10 MΩ
26
 Brake pressure sensor ground
 60 mA
 10 MΩ
27
 Brake pressure sensor signal
 40 mA
 250 MΩ
28
 Brake pressure sensor power
 60 mA
 10 MΩ
29
 -
 -
 -
30
 Brake lamp switch
 1.2 mA
 250 MΩ
31
 -
 -
 -
32
 IGN 1
 10 mA
 50 MΩ
33
 -
 -
 -
34
 Electronic vacuum pump output
 1 mA
 50 MΩ
35
 -
 -
 -
36
 Electronic vacuum pump motor monitor
 100 mA
 250 MΩ
37
 Wheel speed sensor output
 50 mA
 250 MΩ
38
 Solenoid valve ground
 30 A
 10 MΩ

ESCi/ESCi+(EPB Integrated)

PIN No
Desciption
Current
Resistance
1
 Pump motor supply voltage
 60 A
 10 MΩ
2
 Right rear EPB motor power
15 A
10 MΩ
3
 Right rear EPB motor ground
15 A
10 MΩ
4
 Brake pressure sensor ground
 60 mA
 10 MΩ
5
 -
 -
-
6
 Electronic parking brake signal 1 [Connect]
 20 mA
250 MΩ
7
 Electronic parking brake signal 2 [Connect]
 20 mA
250 MΩ
8
 Electronic parking brake signal 3 [Release]
 20 mA
250 MΩ
9
 Electronic parking brake signal 4 [Release]
 20 mA
250 MΩ
10
 Brake pressure sensor signal
 40 mA
 250 MΩ
11
 Brake pressure sensor power
 60 mA
 10 MΩ
12
 Left rear EPB motor ground
15 A
10 MΩ
13
 Left rear EPB motor power
 15 A
10 MΩ
14
 Solenoid valve ground
 40 A
10 MΩ
15
 DBC switch signal
 1.2 mA
 250 MΩ
16
 -
 -
 -
17
 VDC OFF switch signal
 1.2 mA
 250 MΩ
18
 -
 -
 -
19
 C-CAN High
100 mA
 250 MΩ
20
 C-CAN Low
100 mA
 250 MΩ
21
 -

22
 P-CAN LOW
 100 mA
 250 MΩ
23
 P-CAN High
 100 mA
 250 MΩ
24
 -
 -
 -
25
 Wheel speed sensor supply voltage (Left rear)
 150 mA
 250 MΩ
26
 Wheel speed sensor supply voltage (Right rear)
 150 mA
 250 MΩ
27
 Wheel speed sensor supply voltage (Right front)
 150 mA
 250 MΩ
28
 Wheel speed sensor supply voltage (Left front)
 150 mA
 250 MΩ
29
 Electronic vacuum pump motor monitor
 100 mA
 250 MΩ
30
 Solenoid valve voltage
 40 A
 10 MΩ
31
 -
 -
 -
32
 -
 -
 -
33
 -
 -
 -
34
 Auto holding ON/OFF switch signal
1.2 mA
 250 MΩ
35
 Brake lamp switch
 1.2 mA
 250 MΩ
36
 Electronic vacuum pump output
 1 A
 60 MΩ
37
 IGN 1
 10 mA
 50 MΩ
38
 -
 -
 -
39
 -
 -
 -
40
 -
 -
 -
41
 Wheel speed sensor ground (Left rear)
 40 mA
 250 MΩ
42
 Wheel speed sensor ground (Right rear)
 40 mA
 250 MΩ
43
 Wheel speed sensor ground (Right front)
 40 mA
 250 MΩ
44
 Wheel speed sensor ground (Left front)
 40 mA
 250 MΩ
45
 Wheel speed sensor output (Right front)
 50 mA
 250 MΩ
46
 Recycle pump ground
 60 A
 10 MΩ

    Description of ESP ESP recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabilizes the vehicle by wheel-individual braking and engine control intervention.

    Failure Diagnosis 1. In principle, ESP and TCS controls are prohibited in case of ABS failure. 2.

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