System Inspection

Exhaust System Inspection

1. Check the exhaust system for an exhaust leak near the engine.
2. Was an exhaust leak found ?
YES
1) Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Go to next step as below

Air Leakage Inspection

1. 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
2. Was a problem found in any of the above areas ?
YES
1) Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Go to next step as below

Visual / Physical Inspection

1. Visually/physically inspect the following items:
-Check for corrosion on terminals
-Check for terminal tension (at the HO2S and at the ECM)
-Check for damaged wiring
-Check the HO2S ground circuit for a good connection
-Check front and rear HO2S for connections being reversed.
2. Was a problem found in any of the above areas ?
YES
1) Repair as necessary and go to "Verification of Vehicle Repair" procedure
NO
1) Go to next step as below