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 Owners Manual: Safety Precautions
Adjusting the seats so that you are sitting in a safe, comfortable position plays
an important role in driver and passenger safety together with the seat belts and
air bags in an accident.
WARNING
Do not use a cushion that reduces friction between the seat and the passenger.
The passenger’s hip ...
Hyundai Sonata LF 2014-2019 Service Manual: Seat Belt Pretensioner (BPT) Repair procedures
Removal
1.
Disconnect the battery negative cable, and wait for at least three minutes before beginning work.
2.
Remove the door scuff trim.
(Refer to Body - "Interior Trim")
3.
Remove the center pillar trim.
(Refer to Body - "Interior Trim")
4.
Loosen the seat belt pretensioner m ...
