Your vehicle runs 11 self-diagnostic tests to verify emission control systems. All applicable monitors must show "ready" to pass an emissions inspection (smog test).
Click any monitor below to see drive cycle steps, prerequisites, and troubleshooting tips.
These run constantly while the engine operates. They typically set ready within minutes of driving.
These require specific driving conditions (drive cycle) to complete. They are the ones most often "not ready" after clearing codes.
