DTC Detecting Condition and Trouble Area
DTC DETECTING CONDITION CHART
| DTC detecting condition | Trouble area |
|---|---|
| DTC P0051 HO2S Heater Control Circuit Low (Sensor-1, Bank-2): Circuit current of A/F sensor (bank-2) heater is lower than 0.8 A for more than 4 sec. continuously while control duty ratio of A/F sensor heater is more than 22% with engine running. (2 driving cycle detection logic) DTC P0052 HO2S Heater Control Circuit High (Sensor-1, Bank-2): Circuit current of A/F sensor (bank-2) heater is higher than 10.5 A at ON duty pulse or 0.8 A at OFF duty pulse for more than 4 sec. continuously while control duty ratio of A/F sensor heater is more than 22% with engine running. (2 driving cycle detection logic) |
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