Hyundai Sonata: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams

Circuit Diagram

Terminal Function

No.	Description
1	L-CAN [Low]
2	L-CAN [High]
20	IGN1
21	Ground
22	C-CAN [High]
23	C-CAN [Low]

Advanced Smart Cruise Control (ASCC) Switch Repair procedures

Inspection [Measuring Resistance] 1. Disconnect the smart cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each fu ...

Advanced Smart Cruise Control (ASCC) ECU Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the ASCC ECU connector (A). 3. Remove the ASCC ECU (C) after remove the installati ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Advanced Smart Cruise Control (ASCC) Unit-Radar Specifications
Specification ItemSpecificationPower supply(V)12Operation voltage (V)9 ~ 16 ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect AreaRemedy (Refer to page)Water leaks from panorama sunroofDirt accumulated in drain tubeClear dirt inside of drainClogged drain tubeBlow air into drain to remove dirtBroken or dislocated drain tube, defective or cracked clipCheck tube installation and flange cont ...