Hyundai Sonata: Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) Switch Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Advanced Smart Cruise Control System / Advanced Smart Cruise Control (ASCC) Switch Repair procedures

Inspection

[Measuring Resistance]

1.	Disconnect the smart cruise control switch connector from the control switch.

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.

Removal

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.

Installation

1.	Install in the reverse order of removal.

Advanced Smart Cruise Control (ASCC) Switch Schematic Diagrams

Circuit Diagram ...

Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams

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

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