FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Open in circuit
  • Poor connector connection
  • Open in upstream O2 sensor control circuit
  • Defected upstream O2 sensor
Enable Conditions
  • Internal resistance higher than 950Ω
  • Internal resistance signal is valid
Threshold Value
  • Sensor voltage is between 2.3 and 2.7V
Diagnostic Time
  • 5s
Mil On Condition
  • 2 driving cycles