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Home › Kia › 2014 › Soul Base, Standard Trans › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (2 Of 2) - 1.6L › DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1/Sensor 1) › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Case 1 DTC Strategy
  • Pumping Current Circuit
  1. Poor connection
  2. Open power/ground in signal circuit
  3. HO2S (S1)
Enable Conditions
  • Fuel system status: Closed loop
  • Fuel Factor Changes greater than 0.1
Threshold Value
  • Sensor voltage 1.49~1.51 V
Case 2 DTC Strategy
  • Activation Check
Enable Conditions
  • Target Lambda less than 0.97 or greater than 1.03
  • Integrated Mass Flow greater than 0.3 kg
Threshold Value
  • Sensor voltage 1.49~1.51 V
Case 3 DTC Strategy
  • Plausibility Check
Enable Conditions
  • Fuel cut
Threshold Value
  • Sensor voltage less than 0 V
Diagnosis Time
  • Immediate
MIL On Condition
  • -
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