Hyundai Accent (HC): Cruise Control System / Troubleshooting
Hyundai Accent (HC) (2017 - 2022) Service Manual / Engine Electrical System / Cruise Control System / Troubleshooting
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 |
Other information:
Hyundai Accent (HC) (2017 - 2022) Service Manual: Front Wiper Motor
- Component Location 1. Cap2. Nut3. Wiper arm & blade4. Rivet5. Cowl top cover6. Bolt7. Wiper motor & linkage assembly8. Wiper motor connector - Removal 1.Loosen the windshield wiper arm nut after removing a wiper cap (A). 2.Remove the windshield wiper arm and blade (B) 3.If necessary, release the wiper blade fixing clip by pulling up and remove the wiper blade from the inside radius of wiper arm.Hyundai Accent (HC) (2017 - 2022) Service Manual: Spark Plug
- Specification ItemSpecification TypeSILZKR7E9 Gap0.8 - 0.9 mm (0.0354 - 0.0394 in.) Electrode MaterialNickel Alloy - Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine.
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