Circuit/System Verification
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition - On / Vehicle - In Service Mode
- Verify no other DTCs are set.
- If other DTCs are set
- Go to next step: If no other DTCs are set
- Engine running.
- Verify the scan tool parameter:HO2S 1 = Between Lambda 0.8 and 1.1
- If not between Lambda 0.8 and 1.1
Refer to: Circuit/System Testing
- Go to next step: If between Lambda 0.8 and 1.1
- If not between Lambda 0.8 and 1.1
- 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.
Verify the DTC does not set.
- If the DTC sets
Refer to: Circuit/System Testing
- Go to next step: If the DTC is not set
- If the DTC sets
- All OK.