DTC P0506: Idle Air Control System RPM Lower than Expected; DTC P0507: Idle Air Control System RPM Higher than Expected [03/2012 - 05/2013 ]: Description

The idling speed is controlled by the ETCS (Electronic Throttle Control System). The ETCS is comprised of: 1) the one valve type throttle body; 2) the throttle actuator, which operates the throttle valve; 3) the throttle position sensor, which detects the opening angle of the throttle valve; 4) the accelerator pedal position sensor, which detects the accelerator pedal position; and 5) the ECM, which controls the ETCS. Based on the target idling speed, the ECM controls the throttle actuator to provide the proper throttle valve opening angle.

DTC No.	DTC Detection Condition	Trouble Area
P0506	The engine speed is not close to the target engine speed for 30 seconds or more (Actual engine speed - target engine speed) =< -100 RPM). (2 trip detection logic)	Electronic throttle control system Intake system PCV hose connections ECM
P0507	The engine speed is not close to the target engine speed for 30 seconds or more (Actual engine speed - target engine speed) >= 200 RPM). (2 trip detection logic)