General Information

Component Location





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 ECM 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 if the real idle speed is higher than desired idle speed by 200 RPM over 10 sec., ECM sets P0507. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.

DTC Detecting Condition





Signal Waveform & Data




Fig.1) Normal data of Engine RPM after engine warmed up.