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Home >> Kia >> 2011 >> Soul +, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 2.0L >> DTC P0134: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 1) >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy Case 1
  • Signal plausibility during fuel cut-off
  • Poor connection or damaged harness
  • HO2S contamination
Case 2
  • Signal amplitude plausibility
Enable Conditions Case 1
  • fuel cut off active
  • Fuel cut off phase
  • 16g< Integrated Mass Air Flow since Fuel Cut-Off begin
  • No relevant failure
  • 10V< Battery voltage
Case 2
  • Signal stroke valid
  • Lambda controller not on the limit
  • Lean/rich cycle time < 2.5 sec
  • No relevant failure
  • 10V< Battery voltage
Threshold Value Case 1
  • HO2S voltage at fuel-cut mode > 0.1V
Case 2
  • Upstream O2 sensor signal stroke < 0.25 V
Diagnostic Time Case 1
  • 5 sec.
Case 2
  • 120 sec.
MIL On Condition
  • 2 Driving Cycles
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