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P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance: DTC Detecting Condition

DTC P0111 DETECTING CONDITION TABLE

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  • Poor connection
  • Short to ground in signal circuit
  • Open in ground circuit
  • Faulty ECTS
  • Faulty IATS
  • Faulty ECM/PCM
Case1 Enable Conditions
  • Idle mode counter ≥ 2
  • Driving mode counter ≥ 2
Threshold Value
  • Max. temp - Min. temp < 1.5°C (27°F)
Case2 Enable Conditions
  • Cold start detected
  • No block heater detected
  • Time after start < 40s
Threshold Value
  • Difference of coolant temp and intake air temp > 20°C (36°F)
Case3 Enable Conditions
  • Vehicle speed > 50kph (31mph)
  • Air mass: 60~300kg/h (132.3 ~ 661.4 lb/h)
Threshold Value
  • Measured temperature > 105°C (221°F)
Diagnostic Time
  • 5 sec
MIL ON Condition
  • 2 driving cycle
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