Visual/Physical Inspection
- Visually/physically inspect the following items:
- Check for corrosion on terminals
- Check for terminal tension (at the HO2S and at the PCM)
- Check for damaged wiring
- Check the HO2S ground circuit for a good connection
- Check for reversed front and rear HO2S connections.
- Was a problem found in any of the areas above?
YES
- Repair as necessary and go to "Verification Of Vehicle Repair " procedure.
NO
- Go to "COMPONENT INSPECTION " procedure.