Hyundai Sonata: Schematic Diagrams - ESC(Electronic Stability Control) System - Brake System - Hyundai Sonata YF 2011-2014 Service ManualHyundai 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 ...

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    Valve Body. Repair procedures
    Removal 1. Remove the battery and the battery tray. (Refer to "Charging system" in EE group.) 2. Remove the under cover (A). ...