FixVault

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy Case1
  • Signal check, plausibility
  • Poor connector connection
  • Open in signal circuit
  • HO2S (Bank 1, Sensor 2)
Case2
  • Circuit check, open
Enable Conditions Case1
  • Fuel system status is no fuel cut-off
  • Battery voltage is between 10.7 and 16V
Case2
  • Fuel system status is no fuel cut-off
  • Battery voltage is between 10.7 and 16V
  • Fuel system status is closed loop
  • Time after start is greater than 60s
Threshold Value Case1
  • Absolute voltage difference between high and low pins when is less than 0.006V
  • High pin voltage is less than 1.7V
  • Low pin voltage is greater than 0.65V
Case2
  • Downstream O2S voltage is between 0.415 and 0.515V
Diagnostic Time
  • Continuously
MIL ON Condition
  • 2 driving cycles