Hyundai Sonata: 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 |
|
Description and Operation
Description of ESC
Optimum driving safety now has a name : ESC, the Electronic Stability
Control.
ESC recognizes critical driving conditions, such as panic reactions in
dangerous sit ...
Troubleshooting
Failure Diagnosis
1.
In principle, ESC and TCS controls are prohibited in case of ABS
failure.
2.
When ESC or TCS fails, only the failed s ...
See also:
Front Repair procedures
Replacement
Front Seat Belt Replacement
•
When installing the belt, make sure not to damaged th ...
Camshaft Position Sensor (CMPS). Description and Operation
Description
Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft
position by using a hall element.
It is related with Crankshaft Position Sensor (CKPS) and detects the ...
Knock Sensor (KS). Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Remove the intake manifold (Refer to “Intake ...
