FixVault

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Rationality check
  1. Poor contact of connector
  2. Open or short in O2 Sensor (Up) signal circuit
  3. O2 Sensor (Up)
Prerequisite Condition
  • Dew point end detected
  • Fuel feed back control active
  • Battery voltage is greater than 11V
  • Exhaust Gas temperature is between 280°C and 800°C
  • No injector error
  • No upstream O2 sensor heater error
Threshold Value
  • Sensor voltage: 0.4 ~ 0.6V
Diagnostic Time
  • 5 sec
MIL
  • 2nd Driving Cycle