P0507

DTC P0507 IDLE AIR CONTROL SYSTEM-RPM HIGHER THAN EXPECTED

GENERAL DESCRIPTION
The idle speed is controlled by the Electrical Throttle Control (ETC) System. ETC system is composed of the throttle motor to operate the throttle valve and the throttle position sensor to detect the opening angle of the throttle valve, the accelerator pedal position sensor to detect the accelerator pedal position and the one valve type throttle body. The PCM controls the throttle motor to provide the proper throttle valve opening angle for the target idle speed.

DTC DESCRIPTION
Checking idle RPM under detecting condition, if the idle speed is more than 200 RPM above desired idle speed, PCM sets P050? MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle

DTC Detecting Condition:

MONITOR SCANTOOL DATA
1. Monitor DTCs related to HO2S, MAFS, MAPS, ECTS, PCSV, Injector, CVVT items, ETC system, A/C system, or power steering system with scantool.
2. Are there the DTCs above-mentioned?

YES : Do all repairs associated with those codes before proceeding with this procedure.

NO : Go to "System Inspection" procedure

SYSTEM INSPECTION
1. Check intake system/vapor hoses for air leakage or disconnection
1. Visually/physically inspect the following items: Intake system for air leakage Vapor hoses for cracks or disconnection
2. Has a problem been found in any of the above areas?

YES : Repair it and go to "Verification of Vehicle Repair" procedure

NO : Clear DTC and Test-drive under enable conditions above-mentioned. After the test, If this DTC is set, go to "Inspection & Repair" procedure. If not, troubleshooting is completed.

VERIFICATION OF VEHICLE REPAIR
After a repair, it is essential to verify that the fault has been corrected.

1. Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode
2. Press F4(DTAL) and confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions
3. Read "DTC Status" parameter
4. Is parameter displayed "History (Not Present) fault"?

YES : System performing to specification at this time. Clear the DTC

NO : Go to the applicable troubleshooting procedure.