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

DTC DETECTION CONDITION REFERENCE 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 valve
Enable Conditions	Coolant temperature > 74°C(165°F) Throttle angle: closed Vehicle speed = 0 20seconds after engine start. 10V < Battery voltage < 16 No relevant failure
Threshold Value	Target idle speed-Engine speed > 200rpm (Engine speed too high)
Diagnostic Time	16 seconds.
Mil On Condition	2 Driving Cycles