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Home >> Kia >> 2010 >> Sedona Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Input >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • This code detects a continuous short to ground in either the signal circuit or the sensor
  • Poor Connection
  • Short to ground in signal circuit.
  • Faulty IATS
  • Faulty PCM
Enable Conditions Case 1
  • Engine Run State
  • No VSS Fault Active
  • Vehicle Speed > 50kph (31mph)
  • IAT Short Low Enable Criteria Met
Case 2
  • Engine Running Time > 120sec.
  • IG "OFF" time > 360min.
  • IAT Short Low Enable Criteria Met
  
Threshold value
  • IATS signal < 0.1V
Diagnosis Time
  • Continuous (More than 10 sec. failure for every 20 sec. test)
MIL On Condition
  • DTC only
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