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 В± 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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