Hyundai Sonata LF: ESP(Electronic Stability Program) System / Schematic Diagrams
Hyundai Sonata LF 2014-2019 Service Manual / Brake System / ESP(Electronic Stability Program) System / Schematic Diagrams
| Schematic |
| [EPB Type] |
| [General Type] |
| Terminal Funtion |
| [EPB Type] |
| PIN NO | Desciption | Current | |
| max | min | ||
| 1 | Voltage supply for pump motor | 39A | 10A |
| 2 | RR EPB motor power | 30A | - |
| 3 | RR EPB motor ground | 30A | - |
| 4 | - | - | - |
| 5 | Local CAN High | 30mA | 20mA |
| 6 | Electric parking brake signal 1 | 20mA | - |
| 7 | Electric parking brake signal 2 | 20mA | - |
| 8 | Electric parking brake signal 3 | 20mA | - |
| 9 | Electric parking brake signal 4 | 20mA | - |
| 10 | - | - | - |
| 11 | - | - | - |
| 12 | RL EPB motor ground | 30A | - |
| 13 | RL EPB motor power | 30A | - |
| 14 | Ground for solenoid valves and ECU | 30A | 10A |
| 15 | - | - | - |
| 16 | ESS | 200mA | 100mA |
| 17 | FR Wheel speed sensor signal | 16.8mA | 5.9mA |
| 18 | - | - | - |
| 19 | VDC OFF switch signal | 10mA | 5mA |
| 20 | Local CAN Low | 30mA | 20mA |
| 21 | - | - | - |
| 22 | - | - | - |
| 23 | HAC signal | 200mA | 100mA |
| 24 | - | - | ? |
| 25 | FR Wheel speed sensor power | 16.8mA | 5.9mA |
| 26 | RR Wheel speed sensor power | 16.8mA | 5.9mA |
| 27 | RL Wheel speed sensor signal | 16.8mA | 5.9mA |
| 28 | - | - | ? |
| 29 | FL Wheel speed sensor signal | 16.8mA | 5.9mA |
| 30 | Voltage supply for solenoid valves | 30A | 10A |
| 31 | - | - | - |
| 32 | Wheel speed sensor output | Open drain | - |
| 33 | - | - | - |
| 34 | Auto holding ON/OFF switch signal | 10mA | 5mA |
| 35 | Brake light switch | 10mA | 5mA |
| 36 | RR Wheel speed sensor signal | 16.8mA | 5.9mA |
| 37 | IGN 1 | 5A | 1A |
| 38 | RL Wheel speed sensor power | 16.8mA | 5.9mA |
| 39 | FL Wheel speed sensor power | 16.8mA | 5.9mA |
| 40 | - | - | - |
| 41 | - | - | - |
| 42 | - | - | - |
| 43 | - | - | - |
| 44 | C-CAN High | 30mA | 20mA |
| 45 | C-CAN Low | 30mA | 20mA |
| 46 | Voltage supply for pump motor | 40A | 10A |
| [General Type] |
| PIN NO | Description | Current | |
| max | min | ||
| 13 | Ground for recirculation pump | 39 A | 10 A |
| 38 | Ground for solenoid valves and ECU | 15 A | 2 A |
| 1 | Voltage supply for pump motor | 39 A | 10 A |
| 25 | Voltage supply for solenoid valves | 15 A | 2 A |
| 34 | FL Wheel speed sensor power | 16.8 mA | 5.9 mA |
| 18 | FR Wheel speed sensor power | 16.8 mA | 5.9 mA |
| 33 | RL Wheel speed sensor power | 16.8 mA | 5.9 mA |
| 19 | RR Wheel speed sensor power | 16.8 mA | 5.9 mA |
| 22 | FL Wheel speed sensor signal | 16.8 mA | 5.9 mA |
| 6 | FR Wheel speed sensor signal | 16.8 mA | 5.9 mA |
| 20 | RL Wheel speed sensor signal | 16.8 mA | 5.9 mA |
| 31 | RR Wheel speed sensor signal | 16.8 mA | 5.9 mA |
| 32 | Voltage for hybrid ECU | 1 A | 500 mA |
| 8 | ESP switch signal | 20mA | 5mA |
| 26 | CAN High | 30 mA | 20 mA |
| 14 | CAN Low | 30 mA | 20 mA |
| 30 | Brake light switch | 10 mA | 5 mA |
| 10 | Parking brake switch signal | 10 mA | 5 mA |
| 16 | HAC relay | 200mA | 100mA |
| 27 | Wheel speed sensor output | Open Draim | ? |
Description and Operation
Description of ESP Optimum driving safety now has a name : ESP, the Electronic Stability Program. ESP recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabilizes the vehicle by wheel-individual braking and engine control intervention with no needfor actuating the brake or the gas pedal...
Troubleshooting
Failure Diagnosis 1. In principle, ESP and TCS controls are prohibited in case of ABS failure. 2. When ESP or TCS fails, only the failed system control is prohibited...
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