FixVault

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Electrical inspection
  1. Poor contact of connector
  2. Open or short in O2 Sensor (Down) circuit
  3. O2 Sensor (Down)
Prerequisite Condition
  • Battery voltage is at between 10.7 and 16V
  • No fuel cut-off
Threshold Value Case1
  • Sensor voltage is higher than 0.4V and lower than 0.5V
Case2
  • 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
Diagnostic Time
  • Continuously
MIL
  • 2nd Driving Cycle