Hyundai Sonata LF: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) Unit-Radar Description and Operation
The smart cruise control unit is installed on the front right
side of the chassis.A radar sensor is embedded in the front section of
the unit. This sensor detects vehicles and objects in front of the
vehicle.The radar sensor can detect up to 64 objects ahead of a vehicle.
The alarm goes off when the vehicle deviates from the horizontal and
vertical alignment reference points during operation. This sensor
communicates with the dashboard, warning buzzer, smart cruise control
switch, Electronic Stability Program (ESP), ECM, and TCM via CAN
communication.The sensor controls vehicle speed through CAN
communication between the Electronic Stability Program (ESP) system and
the ECM and TCM.

Description
The smart cruise control system allows a driver to program
the vehicle to control the speed and following distance detecting the
vehicle ahead without depressing the brake pedal and the accelerator
pedal...
Other information:
Inspection
•
Wrap the protective tape on the tool to disassemble with the screwdriver or remover.
•
Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil...
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Check the output voltage of fuel pressure sensor (FPS).
Specification : Refer to “Specification”
Removal
1.
Turn the ignition seitch OFF and disconnect the battery negative (-) cable...