Hyundai Sonata: Cruise Control System / Schematic Diagrams

System Block Diagram

Component Parts And Function Outline
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.

* ETC Motor : Electronic Throttle Control Motor
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: Repair procedures
Repair procedures ESP System bleeding This procedure should be followed to ensure adequate bleeding of air and filling of the ESC unit, brake lines and master cylinder with brake fluid. 1. Remove the reservoir cap and fill the brake reservoir with brake fluid.     If th ...

Hyundai Sonata LF 2014-2019 Service Manual: Intake Manifold Repair procedures
Removal and Installation 1. Remove the engine cover. 2. Disconnect the battery negative terminal. 3. Disconnect the engine wiring connector and haness clamp and disconnect the wiring from intake manifold. 4. Disconnect the PCV (Positive crankcase ventilation) hose (A) and the PCSV ( ...

© 2018-2022 www.hsonatalf.org