SONATA(YF) >2013 > G 2.4 GDI > Brake System > ESC(Electronic Stability Control) System>Schematic Diagrams  
Circuit Diagram - ESC (1)

Circuit Diagram - ESC (2)

Circuit Diagram - ESC (3)

ESC HECU Connector input/output

Connector Terminal
Specifications
Conditions
No
Description
13
Ground(Motor)
Current range : Min-10 A
Max 39 A
Always
38
Ground(Valve)
Current range : Min-2 A
Max 15 A
Always
1
Supply voltage(Motor)
Battery voltage
Always
25
Supply voltage(Valve)
34
Wheel sensor voltage(FL)
Battery voltage
IG ON
18
Wheel sensor voltage(FR)
33
Wheel sensor voltage(RL)
19
Wheel sensor voltage(RR)
22
Wheel sensor signal(FL)
Voltage(High) : 0.26 ~ 0.37 V
Voltage(Low) : 0.13 ~ 0.18 V
RUNNING
6
Wheel sensor signal(FR)
20
Wheel sensor signal(RL)
31
Wheel sensor signal(RR)
32
Ignition
Battery voltage
KEY ON/OFF
8
ESC Passive switch
Voltage(High) : 0.6 * IG ON more
Voltage(Low) : 0.4 * IG ON lower
Switch ON/OFF
26
CAN High
not communicating:2.5 ± 0.5 V
communication :

IG ON
14
CAN Low
30
BRAKE LIGHT SWITCH
voltage(High) : ≥ 4.5 V
voltage(Low) : ≤ 2.0 V
BRAKE ON/OFF
12
Parking Brake Switch (Signal)
voltage(High) : ≥ 0.7 V * IG ON
voltage(Low) : ≤ 0.35 V * IG ON