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Home >> Hyundai >> 2006 >> Accent Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0140 Ho2S Circuit No Activity Detected (Bank 1 / Sensor 2) >> DTC Detecting Condition
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DTC P0140 Ho2S Circuit No Activity Detected (Bank 1 / Sensor 2): DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSE

Item Detecting Condition Possible Cause
DTC Strategy
  • No signal activity
  • Poor connection
  • Open or short in signal circuit
  • B1S2
  • ECM/PCM
Enable Conditions
  • After oscillation check finished
Threshold Value
  • No signal activity
MIL ON Condition
  • 2 driving cycle

* B1S1: upstream oxygen sensor / B1S2: downstream oxygen sensor

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