P0507: Idle Air Control System-RPM Higher than Expected: DTC Detecting Condition

P0507 IDLE AIR CONTROL SYSTEM-RPM HIGHER THAN EXPECTED

Item	Detecting Condition	Possible Cause
DTC Strategy	Monitor deviation between target idle speed and actual engine speed	A stuck or binding throttle plate Maladjustment of the accelerator cable Contact resistance in connectors Faulty ICA valve
Enable Conditions	Coolant temperature >74 °C (165.2 °F) Closed throttle : 10 sec. (continuously) Vehicle speed = 0 20 sec. after engine start. 10 V < Battery voltage < 16 V No relevant failure Engine load < 1000 mg/rev
Threshold Value	Engine speed-Target idle speed > +200 RPM (Engine speed too high)
Diagnostic Time	16 seconds
Mil On Condition	2 Driving Cycles