FixVault

DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Rationality check
  1. Poor connection
  2. Open or short power/ground in signal circuit
  3. S1
Prerequisite Condition
  • Exhaust Gas temperature is lower than 800°C (1472°F)
  • Target Lambda is between 0.95 and 1.05
  • Heating ratio is between 20% and 80%
Threshold Value
  • Sensor current change calculated form sensor output voltage is higher than 190μA
Diagnostic Time
  • Continuous
Mil
  • 2 Drive Cycle