Hyundai Sonata: Schematic Diagrams - ESC(Electronic Stability Control) System - Brake SystemHyundai Sonata: Schematic Diagrams

Circuit Diagram - ESC (1)

Circuit Diagram - ESC (2)

Circuit Diagram - ESC (2)

Circuit Diagram - ESC (3)

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:

    Transmitter. Repair procedures
    Inspection 1. Check that the red light flickers when the door lock or unlock button is pressed on the transmitter. 2. Remove the battery ( ...

    Road warning
    Hazard warning flasher The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle. It should be used when ...

    Overhead Console Lamp. Schematic Diagrams
    Circuit Diagram ...