
| Component part | Function | |
| Vehicle-speed sensor, ESP/ABS Control Module | Converts vehicle speed to pulse. | |
| ECM | Receives signals from sensor and control switches. | |
| Cruise control indicator | Illuminate when CRUISE main switch is ON (Built into cluster) | |
| Cruise Control switches | CRUISE switch | Switch for automatic speed control power supply. |
| Resume/Accel switch (RES +) | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) | |
| Set/Coast switch (RES -) | ||
| Cancel switches | Cancel switch | Sends cancel signals to ECM. |
| Brake-pedal switch | ||
| Transaxle range switch (A/T) | ||
| ETC Motor | Regulates the throttle valve to the set opening by ECM. | |
Troubleshooting
Cruise Control (CC) SwitchHyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptomProbable causeRemedy
The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Repair procedures
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating, Ventilation And Air Conditioning - "Heater Control Unit")
3.Remove the IBU (A) after loosening mounting bolt, nut and screw.
4.Disconnect IBU connectors and then remove the IBU (A) ...