Hyundai Elantra: Cruise Control System (CC) / Troubleshooting

Trouble symptom
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Probable cause
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Remedy
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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
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Probable cause
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Remedy
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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
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Probable cause
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Remedy
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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
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Malfunction of the ECM signals
| Check input and output signals at ECM
|
Trouble symptom
|
Probable cause
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Remedy
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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
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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
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The cruise main switch indicator lamp does not illuminate (But 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
|
DescriptionThe cruise control system is engaged by the cruise "ON/OFF" main switch located on right of steering wheel column. The system has the capability to cruise, coast, accelerate and resume speed...
Components1. Remote control switch (Audio swtich) 2. Remote control switch (Cruise control switch)..
Other information:
This indicator light illuminates:
• When you place the ignition switch to
the ON position.
-- It illuminates for approximately 3
seconds and then goes off.
• When you deactivate the ESC system
by pressing the ESC OFF button.
Immobilizer Indicator Light
This indicator light illuminates:
• When the vehicle detects the
immobilizer in the key with the
ignition switch in the ON position.
--..
The LATCH system holds a child restraint
during driving and in an accident. This
system is designed to make installation
of the child restraint easier and reduce
the possibility of improperly installing
your child restraint. The LATCH system
uses anchors in the vehicle and
attachments on the child restraint. The
LATCH system eliminates the need to use
seat belts to secure the child restra..