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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Electrical Monitoring
  1. Poor Connector Connection
  2. Open in Upstream O2 Sensor Control Circuit
  3. Defective Upstream O2 Sensor
Enable Conditions
  • Sensor Pump Current Valid
  • Battery voltage higher than 11V and lower than 16V
Threshold value
  • Upstream O2 sensor voltage during deceleration fuel cut off higher than 4.7V
Diagnosis Time
  • 15 sec.
MIL On Condition
  • 2 Driving Cycles
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