Hyundai Kona: Cruise Control System / Troubleshooting
Trouble Symptom 2
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 3
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 4
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 5
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 6
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 7
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 8
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
|
System Block Diagram
Component Parts and Function Outline
Component part
Function
Vehicle-speed sensor, ESP/ABS Control Module
...
Components
1. Left Remote Control Switch
(Audio + Hands free)
2. Right Remote Control Switch
(Cruise + Trip Computer)
...
Schematic diagrams
Cruise Control Switch Components and components location