Confirm Part Inspection
- Does the HO2S (B1/S1) operate properly? (Check variation)
YES
- Go to "Verification Of VEHICLE REPAIR " procedure.
NO
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the HO2S (B1/S1) and go to "Verification Of VEHICLE REPAIR " procedure.