Hyundai Tucson (NX4) 2022-2025 Service Manual / Brake System / ESC (Electronic Stability Control) System / Schematic Diagrams
Hyundai Tucson: ESC (Electronic Stability Control) System / Schematic Diagrams
| PIN No | Desciption | Current | Resistance |
| 1 | Pump motor supply voltage | 137 A | 10 MΩ |
| 2 | Main CAN Low | 30 mA | 250 mΩ |
| 3 | - | - | - |
| 4 | - | - | - |
| 4 | - | - | - |
| 5 | - | - | - |
| 6 | - | - | - |
| 7 | - | - | - |
| 8 | - | - | - |
| 9 | - | - | - |
| 10 | - | - | - |
| 11 | - | - | - |
| 12 | - | - | - |
| 13 | Recycle pump ground | 137 A | 10 MΩ |
| 14 | Main CAN High | 30 mA | 250 mΩ |
| 15 | - | - | - |
| 16 | Stop lamp switch signal | 10 mA | 250 MΩ |
| 17 | Wheel speed sensor output #1 | 16 mA | 250 MΩ |
| 18 | Wheel speed sensor supply voltage (FR) | 30 mA | 250 MΩ |
| 19 | Wheel speed sensor supply voltage (FL) | 30 mA | 250 MΩ |
| 20 | Wheel speed sensor ground (RL) | 17 mA | 250 MΩ |
| 21 | Wheel speed sensor ground (FL) | 17 mA | 250 MΩ |
| 22 | Sub CAN High | 30 mA | 250 MΩ |
| 23 | ESC OFF switch signal | 10 mA | 250 MΩ |
| 24 | - | - | - |
| 25 | Voltage supply for solenoid valves | 40 A | 10 MΩ |
| 26 | - | - | - |
| 27 | - | - | - |
| 28 | - | - | - |
| 29 | IGN 1 | 50 mA | 60 MΩ |
| 30 | DRV TERRAIN MODE | 200 mA | 250 MΩ |
| 31 | Wheel speed sensor ground (FR) | 17 mA | 250 MΩ |
| 32 | Wheel speed sensor ground (RR) | 17 mA | 250 MΩ |
| 33 | Wheel speed sensor supply voltage (RL) | 30 mA | 250 MΩ |
| 34 | Wheel speed sensor supply voltage (RR) | 30 mA | 250 MΩ |
| 35 | Sub CAN Low | 30 mA | 250 MΩ |
| 36 | Pedal sensor voltage | 50 mA | 250 MΩ |
| 37 | Clutch switch signal | 10 mA | 250 MΩ |
| 38 | - | - | - |
| PIN No | Desciption | Current | Resistance |
| 1 | Voltage supply for pump motor | 137 A | 10 MΩ |
| 2 | RR EPB motor ground | 20 A | 10 MΩ |
| 3 | RR EPB motor power | 20 A | 10 MΩ |
| 4 | IGN 1 | 50 mA | 60 MΩ |
| 4 | DBC switch signal | 250 mA | 250 MΩ |
| 5 | Main CAN High | 30 mA | 250 MΩ |
| 6 | Main CAN Low | 30 mA | 250 MΩ |
| 7 | AVH switch signal | 10 mA | 250 MΩ |
| 8 | Clutch sensor signal input 2 | 2 mA | 250 MΩ |
| 9 | Clutch sensor signal input 1 | 2 mA | 250 MΩ |
| 10 | Electronic vacuum pump output | 200 mA | 250 MΩ |
| 11 | RL EPB motor ground | 20 A | 250 MΩ |
| 12 | RL EPB motor power | 20 A | 10 MΩ |
| 13 | Pump motor ground | 137 A | 10 MΩ |
| 14 | Vacuum pump voltage 5V | 50 mA | 10 MΩ |
| 15 | Clutch sensor signal input (PWM) | 10 mA | 250 MΩ |
| 16 | Chassis sensor ground | 250 MΩ | 250 MΩ |
| 17 | Electronic parking brake signal 1 [Connect] | 30 mA | 250 MΩ |
| 18 | Electronic parking brake signal 2 [Connect] | 30 mA | 250 MΩ |
| 19 | Wheel speed sensor ground (FR) | 40 mA | 250 MΩ |
| 20 | Wheel speed sensor supply voltage (FR) | 150 mA | 250 MΩ |
| 21 | Wheel speed sensor supply voltage (FR) | 0.5 mA | 250 MΩ |
| 22 | Vacuum sensor signal | 10 mA | 250 MΩ |
| 23 | Vacuum pump switch signal input | 30 mA | 250 MΩ |
| 24 | Sub CAN High | 30 mA | 250 MΩ |
| 25 | Sub CAN Low | 10 mA | 250 MΩ |
| 26 | VDC OFF switch signal | 40 mA | 250 MΩ |
| 27 | Wheel speed sensor ground (RL) | 150 mA | 250 MΩ |
| 28 | Wheel speed sensor supply voltage (RL) | 40 mA | 250 MΩ |
| 29 | Wheel speed sensor ground (RR) | 40 mA | 250 MΩ |
| 30 | Solenoid valve, EPB Voltage | 40 A | 10 MΩ |
| 31 | Electronic vacuum pump motor monitor | 10 mA | 250 MΩ |
| 32 | Stop lamp switch signal | 10 mA | 250 MΩ |
| 33 | Vacuum sensor ground | 50 mA | 250 MΩ |
| 34 | Electronic parking brake signal 3 [Release] | 30 mA | 250 MΩ |
| 35 | Electronic parking brake signal 4 [Release] | 30 mA | 250 MΩ |
| 36 | Pedal sensor ground | 50 mA | 250 MΩ |
| 37 | Wheel speed sensor output #1 | 16 mA | 250 MΩ |
| 38 | Vacuum switch signal input | 10 mA | 250 MΩ |
| 39 | Wheel speed sensor output #2 | 16 mA | 250 MΩ |
| 40 | Electronic vacuum pump monitor, Pedal sensor voltage | 10 mA / 50 mA | 250 MΩ |
| 41 | Vacuum pump output | 10 mA | 250 MΩ |
| 42 | Wheel speed sensor ground (FL) | 17 mA | 250 MΩ |
| 43 | Wheel speed sensor supply voltage (FL) | 17 mA | 250 MΩ |
| 44 | N Gear switch signal input | 10 mA | 250 MΩ |
| 45 | Wheel speed sensor supply voltage (RR) | 17 mA | 250 MΩ |
| 46 | Ground | 40 A | 10 MΩ |
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 system control is prohibited.
3.However, when the soleno ...
ESC (Electronic Stability Control) Module
- Components
1. Front - right (FR)2. Rear - left (RL)3. Rear - right (RR)4. Front - left (FL)5. MC26. MC17. ESC Control unit (HECU) connector8. Bracket
- Removal
1.Disconnect the battery ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Troubleshooting
- Troubleshooting
SymptomProbable causeRemedy
Play in steeringLoose yoke plugRetighten
Loose steering gear mounting boltsRetighten
Loose or worn tie rod endRetighten or replace as necessary
Steering wheel does not return properlyExcessive turning resistance of tie rod endReplace
Yoke plug e ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: General Safety Information and Caution
- Precautions
General Precautions
Please read the following precautions carefully before performing the
airbag system service. Observe the instructions described in this
manual, or the airbags could accidentally deploy and cause damage or
injuries. • Except when performing electrical ins ...
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