Hyundai Sonata: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) Switch Repair procedures
1. |
Disconnect the smart cruise control switch connector from the control switch. 
|
2. |
Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).
Function switch
| Terminal
| Resistance
| SET -
| 3 - 5
| 550?±5%
| RES +
| 3 - 5
| 880?±5%
| CANCEL
| 3 - 5
| 330?±5%
| CRUISE
| 3 - 5
| 1.4k?±5%
|
|
3. |
If not within specification, replace switch. |
1. |
Disconnect the negative (-) battery terminal. |
2. |
Remove the steering wheel assembly.
(Refer to Steering System - "Steering Wheel") |
3. |
Remove the screw from the steering cover. 
|
4. |
Remove the steering back cover (A). 
|
5. |
Remove the steering remote control connector (A). 
|
6. |
Remove the steering remote control (A) after loosening the screw. 

|
1. |
Install in the reverse order of removal. |
Circuit Diagram
Terminal Function
No. Description 1L-CAN [Low] 2L-CAN [High] 20IGN1 21Ground 22C-CAN [High] 23C-CAN [Low]
...