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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  1. Poor connection
  2. Open or short power/ground in signal circuit
  3. S1
Case1 Enable Conditions
  • S1 sensor voltage is between 1.49V and 1.5V
ThresholdValue
  • Deviation of average correction value of fuel ratio is higher than 0.1
DiagnosticTime
  • 3 sec
Case2 Enable Conditions
  • Fuel cut condition is higher than 3 sec.
ThresholdValue
  • S1 sensor voltage is lower than 1.7V
DiagnosticTime
  • 5 sec
Case3 Enable Conditions
  • Target value of fuel ratio is lower than 0.97
  • S1 sensor voltage is between 1.49V and 1.5V
ThresholdValue
  • Integrated air mass is higher than 0.2kg
ThresholdValue
  • 3 sec
MIL ON Condition
  • 2 driving cycle
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