FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Ignition efficiency check during catalyst heating
  • Restriction in intake or exhaust system
  • Air leakage
  • Checking operation of ETC
Enable Condition
  • Catalyst heating (ECT at engine start is between -10°C (14°F) and 43°C (109.4°F))
  • Time after start is longer than 5s
  • Vehicle speed is slower than 56.32km/h (35MPH)
  • Gas pedal value is less than 0.01% (Pedal is not pushed at all)
  • Ignition efficiency set point for catalyst heating is lower than or equal to 0.8
  • Cumulative diagnostic time is longer than 5s
Threshold Value
  • Ignition angle efficiency quotient is greater than 0.2
Diagnostic Time
  • 20s
MIL ON Condition
  • 2 driving cycles