Monitor DTC Status
Engine
Engine Control - P0031 HO2S Heater Circuit low (Bank 1 / Sensor 1) - Monitor DTC Status
Monitor DTC Status
Check DTC Status
1. Connect scantool to Data Link Connector (DLC).
2. IG "ON".
3. Select "Diagnostic Trouble Codes (DTCs)" mode, and then Press F4 (DTAL) to check DTC's information from the DTCs menu
4. Read "DTC Status" parameter.
5. Is parameter displayed "Present fault"?