Hyundai Elantra HD: Schematic Diagrams
ESC Circuit Diagram(1)
ESC Circuit Diagram(2)
ESC HECU Connector Input / Output
Connector Terminal |
Specifications |
Conditions |
|
No |
Description |
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1 |
Ground(Pump) |
Current range : Min-10 A Max-20 ~ 39 A |
Always |
4 |
Ground(Valve,ECU) |
Current range : Min-2.5 A Max-5 ~ 15 A |
Always |
2 |
Supply voltage(Pump) |
Battery voltage |
Always |
3 |
Supply voltage(Valve) |
||
26 |
Wheel sensor voltage(FL) |
Battery voltage |
IG ON |
9 |
Wheel sensor voltage(FR) |
||
6 |
Wheel sensor voltage(RL) |
||
8 |
Wheel sensor voltage(RR) |
||
5 |
Wheel sensor signal(FL) |
Voltage(High) : 0.89~1.26 V Voltage(Low) : 0.44~0.63 V |
RUNNING |
10 |
Wheel sensor signal(FR) |
||
27 |
Wheel sensor signal(RL) |
||
29 |
Wheel sensor signal(RR) |
||
11 |
Diagnosis Input/oupput |
Voltage(High) : 0.8 * IG ON more Voltage(Low) : 0.2 * IG ON lower |
SCAN TOOL Communication |
28 |
Ignition |
Battery voltage |
KEY ON/OFF |
31 |
ESC Passive switch |
Voltage(High) : 0.6 * IG ON more Voltage(Low) : 0.4 * IG ON lower |
Switch ON/OFF |
37 |
Yaw Rate Sensor Test |
Voltage(High) : 4.1 V more Voltage(Low) : 1 V lower |
IG ON |
18 |
Yaw Rate Sensor Reference |
2.464 V ~ 2.536 V |
IG ON |
16 |
Yaw Rate Sensor Signal |
Offset voltage :2.5 V range : 0.35 V ~ 4.65 V(-100 ~ 100 °/s) |
IG ON |
20 |
Acceleration Sensor Signal |
Offset voltage :2.5 V range : 0.35 V ~ 4.65 V(-1.8 g ~ 1.8 g) |
IG ON |
15 |
Yaw Rate Sensor Ground |
GND LEVEL |
Always |
35 |
CAN High |
not communicating:2.5 ± 0.5 V communication :
|
IG ON |
14 |
CAN Low |
||
30 |
BRAKE LIGHT SWITCH |
voltage(High) : 0.8 * IG ON more voltage(Low) : 0.3 * IG ON lower |
BRAKE ON/OFF |