DTC P2173 Etc (Electronic Throttle Control) System Malfunction - High Air Flow Detected.: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item		Detecting Condition	Possible Cause
DTC Strategy		The engine airflow measurements not based on throttle position are compared with throttle position based estimated airflow.	Air Leakage between TPS and MAFS Faulty throttle body Faulty PCM
Enable Conditions		Engine running Throttle Actuation Mode is not OFF MAP Sensor is not failed MAF Sensor is not failed IAT sensor is not failed
Threshold	Case 1	Speed-Density Airflow - ETC estimated airflow > 9 g/s
Threshold	Case 2	MAF reading - ETC estimated airflow > 7 g/s
Diagnosis Time		Contineous (More than 3.9sec. Failure for every 15.6sec. Test)
MIL On Condition		1 Driving Cycle