DTC P0507 Idle Air Control System-Rpm Higher Than Expected: DTC Detecting Condition

DTC DETECTING CONDITION CHART

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 ISCA
Enable Conditions	Coolant temperature > 74°C (165.2°F) Closed throttle status Vehicle speed = 0 20sec. after engine start 10V < Battery voltage < 16V No relevant failure
Threshold Value	Engine speed-Target idle speed > 200rpm (Engine speed too high)
Diagnostic Time	16 seconds
MIL On Condition	2 Driving Cycles