Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects the injector control circuit is open, shorted to voltage, or shorted to ground for more than 5 seconds.