DTC P0050: Ho2S Heater Control Circuit (Bank 2/Sensor 1): DTC Detecting Condition

2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION DTC Detecting Condition
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Evaluate 02 sensor element temperature via measuring element resistance
  • Related fuse blown or missing
  • Heater control circuit open or short
  • Power supply circuit open or short
  • Contact resistance in connectors
  • Faulty HO2S
Enable Conditions
  • Sensor preheating and full heating phases finished
  • Time after start elapsed: 240 sec.
  • 11V > Battery voltage > 16V
  • 1% > Heater power > 99%
  • Exhaust gas temp.model > 610Β°C (1,130Β°F)
Threshold Value
  • 02 sensor element resistance < 1500Ξ© (Element Temperature > 480Β°C (896Β°F))
Diagnostic Time
  • 5 min.
Fail Safe
  • Heater open loop control
MIL On Condition
  • 2 Driving Cycles
RENDER: 1.0x

NO RELATED

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