Hyundai Sonata: Cruise Control System / Schematic Diagrams
| System Block Diagram |
| 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. |
Description and Operation
Description
The cruise control system is engaged by the cruise "ON/OFF"
main switch located on right of steering wheel column. The system has
the capability to cruise, coast, accelerate and res ...
Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating accelera ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: TPMS Receiver Repair procedures
Replacement
1.
Disconnect the negative (-) battery cable.
2.
Remove the glove box.
(Refer to Body - "Crash Pad")
3.
Remove faulty part and fit bracket assembly to new part.
4.
Secure new part to vehicle and fit connector.
5.
Re-connect battery and turn Ignition on.
6.
After ...
Hyundai Sonata LF 2014-2019 Service Manual: High Mounted Stop Lamp Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear package tray trim.
(Refer to Body - "Rear Package Tray Trim")
3.
Remove the high mounted stop lamp after disengaging the mounting clip.
Installation
1.
Install the rear high mounted stop lamp.
2.
Instal ...
