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
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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
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Improper adjustment of inhibitor switch
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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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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
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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
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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.
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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:
The front seat can be adjusted by
using the control switches located on
the outside of the seat cushion.Before
driving, adjust the seat to the proper
position so that you can easily control
the steering wheel, foot pedals and
controls on the instrument panel.
WARNING
NEVER allow children in the vehicle
unattended. The power seats are
operable when the vehicle is turned off.
NOTICE
To preve..
Repair procedures
Inspection1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the fuse box cover.3.Remove the starter relay (A).4.Using an ohmmeter, check that there is continuity between each terminal. Terminal Continuity 30 - 87NO85 - 86YES5.Apply 12V to terminal 85 and ground to terminal 86.Check for con..
Description and operation
Components and components location
