P0031

DTC P0031: O2S Heater Control Circuit Low (Sensor 1)

Wiring Diagram:

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure

NOTE:
Check to make sure that the following conditions are satisfied when using this DTC CONFIRMATION PROCEDURE.
- Intake air temperature: -8 °C (18 °F) or higher
- Engine coolant temperature: -8 - 110 °C (18 - 230 °F)
- Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)

1. Connect scan tool with ignition switch OFF.
2. Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and run engine at idle speed for 5 min.
3. Check DTC and pending DTC by using scan tool.

Step 1 - 4:

DTC Troubleshooting