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: Care of Seat Belts
Seat belt systems should never be disassembled or modified. In addition, care
should be taken to assure that seat belts and belt hardware are not damaged by seat
hinges, doors or other abuse.
Periodic inspection
All seat belts should be inspected periodically for wear or damage of any kind.
Any d ...
Hyundai Sonata LF 2014-2019 Service Manual: Accelerator Position Sensor (APS) Description and Operation
Description
Accelerator Position Sensor (APS) is installed on the
accelerator pedal module and detects the rotation angle of the
accelerator pedal. The APS is one of the most important sensors in
engine control system, so it consists of the two sensors which adapt
individual sensor power ...
