Hyundai Sonata: Cruise Control System / Cruise Control Switch Repair procedures

Inspection
[Measuring Resistance]
1.
Disconnect the 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.
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.
Cruise Control Switch Schematic Diagrams
Circuit Diagram ...

Advanced Smart Cruise Control System
...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pump Control Module (FPCM) Specifications
Specification ItemsSpecificationApplied Voltate (V)6~18Current Consumption (A)Max. 15Fuel Pressure StartMax. 600 KPa (Max. 6.1 kgf/cm?, Max. 87.0 psi)In operation350 ~ 500 KPa (3.5 ~ 5.1 kgf/cm?, 50.7 ~ 72.5 psi) ...

Hyundai Sonata LF 2014-2019 Service Manual: 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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