Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Allow the engine to reach operating temperature.
- Engine running, verify the appropriate scan tool HO2S Heater parameter is varying between approximately 0.5-2 amps.
- Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.