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Home >> Hyundai >> 2007 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P2173 Etc (Electronic Throttle Control) System Malfunction - High Air Flow Detected >> DTC Detecting Condition
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DTC P2173 Etc (Electronic Throttle Control) System Malfunction - High Air Flow Detected: DTC Detecting Condition

DTC DETECTION CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the measured engine airflow and the estimated airflow
  • Air Leakage between TPS and MAFS
  • Faulty throttle body or intake manifold
  • Faulty PCM
Enable Conditions
  • Engine running
  • No faults present
Threshold Case 1
  • MAPS reading - ETC estimated airflow > 9 g/s
Case 2
  • MAFS reading - ETC estimated airflow > 7g/s
Diagnosis Time
  • Continuous (Within 20 sec.)
MIL On Condition
  • 1 Driving Cycle
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