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Home >> Hyundai >> 2006 >> Accent Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0130 Ho2S Circuit (Bank 1/Sensor 1) >> DTC Detecting Condition
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DTC P0130 Ho2S Circuit (Bank 1/Sensor 1): DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSE

Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  • Poor connection
  • Open or short power/ground in signal circuit
  • B1S1
  • ECM/PCM
General Enable Conditions
  • Dew point end detected
  • Required lambda = 1
  • Battery voltage > 10.7V
  • Exhaust gas temperature (model) ≤ 800°C (1472°F)
  • Heater control enabled
Case1 Enable Conditions
  • B1S2 sensor voltage > 0.5V
Threshold Value
  • B1S1 sensor voltage: 0.06 ~ 0.4V
Diagnostic Time
  • 25 sec
Case2 Enable Conditions
  • B1S2 sensor voltage ≤ 0.1V
Threshold Value
  • B1S1 sensor voltage: 0.6 ~ 1.08V
Diagnostic Time
  • 10 sec
Case3 Enable Conditions
  • Time after dew point end detected > 10s
Threshold Value
  • Counter of I Δusvk > 2V during 0.04 sec after heater on→off I > 5 times
MIL ON Condition
  • 2 driving cycle
* Δusvk: Sum of the signal voltage change value (B1S1)
* B1S1: upstream oxygen sensor / B1S2: downstream oxygen sensor
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