System Inspection
■ Exhaust System Inspection
- Check the exhaust system for an exhaust leak near the engine.
- Was an exhaust leak found?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next step as below.
■ Air Leakage Inspection
- Visually/physically inspect the following items:
- Vacuum hoses for splits, kinks and improper connections.
- Exhaust system between HO2S and Three way catalyst for air leakage
- EVAP system for leakage
- PCV hose for proper installation
- Was a problem found in any of the above areas?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next step as below.
■ 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 front and rear HO2S for connections being reversed.
- Was a problem found in any of the above areas?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to next step as below.