A2: Malfunction Indicator Light Remains On - Engine Running: Condition
WARNING: This page is about a different car, the 2003 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
When ignition is turned on, main relay is energized by the Engine Control Module (ECM) and supplies ECM with main power. As ECM is supplied with main power, it will turn on the MIL. After engine starts, MIL will turn off if no malfunction is detected. If a malfunction is detected, MIL will remain illuminated with engine running.