Hyundai Sonata: Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1 |
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 |
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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 (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 |
Description and Operation
Cruise Control
The 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, ac ...
Cruise Control Switch. Schematic Diagrams
Circuit Diagram
...
See also:
Specifications
Specifications
Ignition System
Items
Specifications
Ignition coil
Primary resistance
0.62 ± 10 % (Ω)
Secondary ...
AVN Head Unit. Components and Components Location
Components
AVN (A/V & Navigation) Head Unit Connector
Pin No.
Connector A
Connector B
Description
Remarks
...
General Information
General Information
The supplemental restraint system (SRS) is designed to supplement the
seat belt to help reduce the risk or severity of injury to the driver and passenger
by activating an ...