| Trouble Symptom Charts |
| Trouble Symptom 1 |

|
Trouble symptom |
Probable cause |
Remedy |
|
The set vehicle speed varies greatly upward or downward "Surging" (repeated alternating acceleration and deceleration) occurs after setting |
Malfunction of the vehicle speed sensor circuit |
Repair the vehicle speed sensor system, or replace the part |
|
Malfunction of ECM |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
The CC system is not canceled when the brake pedal is depressed |
Damaged or disconnected wiring of the brake pedal switch |
Repair the harness or replace the brake pedal switch |
|
Malfunction of the ECM signals |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
The CC system is not canceled when the shift lever is moved to the "N" position
(It is canceled, however, when the brake pedal is depressed) |
Damaged or disconnected wiring of inhibitor switch input circuit |
Repair the harness or repair or replace the inhibitor switch |
|
Improper adjustment of inhibitor switch |
||
|
Malfunction of the ECM signals |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
Cannot decelerate (coast) by using the "SET/–" switch |
Temporary damaged or disconnected wiring of "SET/–" switch input circuit |
Repair the harness or replace the "SET/–" switch |
|
Malfunction of the ECM signals |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
Cannot accelerate or resume speed by using the "RES/+" switch |
Damaged or disconnected wiring, or short circuit, or "RES/+" switch input
circuit |
Repair the harness or replace the "RES/+" switch |
|
Malfunction of the ECM signals |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
CC system can be set while driving at a vehicle speed of less than 40km/h
(25mph), or there is no automatic cancellation at that speed |
Malfunction of the vehicle-speed sensor circuit |
Repair the vehicle speed sensor system, or replace the part |
|
Malfunction of the ECM signals |
Check input and output signals at ECM |
|
Trouble symptom |
Probable cause |
Remedy |
|
The cruise main switch indicator lamp does not illuminate (although CC system
is normal) |
Damaged or disconnected bulb of cruise main switch indicator lamp |
Repair the harness or replace the part. |
|
Harness damaged or disconnected |
Schematic diagrams
Cruise Control Switch Components and components locationHyundai Kona (OS) 2018-2026 Owners Manual: Headlamp delay function
If you place the ignition switch to the ACC or OFF position with the headlamps
ON, the headlamps (and/or position lamps) remain on for about 5 minutes. However,
with the engine off if the driver’s door is opened and closed, the headlamps (and/or
position lamps) are turned off after 15 seconds.
...
Hyundai Kona (OS) 2018-2026 Owners Manual: Anti-lock Brake System (ABS) Warning Light
This warning light illuminates:
When you set the ignition switch or the Engine Start/Stop button to the
ON position. - It illuminates for approximately 3 seconds and then goes off.
When there is a malfunction with the ABS (The normal braking system will
still be operational without the assis ...