DTC P0031: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank No. 1 Sensor No. 1) & DTC P0032: Oxygen (A/F) Sensor Heater Control Circuit High (Bank No. 1 Sensor No. 1): Notes
WARNING: This page is about a different car, the 2003 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- These DTCs are recorded when an air-fuel ratio (A/F) sensor heater circuit is not working properly.
- Sensor No. 1 refers to the sensor closest to the engine assembly.